./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 eb692b52 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-?-eb692b5 [2022-07-20 02:15:32,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:15:32,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:15:32,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:15:32,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:15:32,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:15:32,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:15:32,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:15:32,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:15:32,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:15:32,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:15:32,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:15:32,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:15:32,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:15:32,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:15:32,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:15:32,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:15:32,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:15:32,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:15:32,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:15:32,561 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:15:32,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:15:32,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:15:32,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:15:32,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:15:32,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:15:32,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:15:32,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:15:32,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:15:32,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:15:32,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:15:32,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:15:32,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:15:32,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:15:32,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:15:32,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:15:32,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:15:32,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:15:32,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:15:32,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:15:32,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:15:32,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:15:32,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:15:32,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:15:32,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:15:32,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:15:32,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:15:32,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:15:32,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:15:32,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:15:32,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:15:32,620 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:15:32,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:15:32,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:15:32,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:15:32,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:15:32,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:15:32,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:15:32,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:15:32,622 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:15:32,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:15:32,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:15:32,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:15:32,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:15:32,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:15:32,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:15:32,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:15:32,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:15:32,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:15:32,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:15:32,624 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:15:32,624 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:15:32,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:15:32,624 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2022-07-20 02:15:32,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:15:32,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:15:32,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:15:32,854 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:15:32,855 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:15:32,857 INFO L432 ainManager$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 [2022-07-20 02:15:32,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea4db60b/59348f649a2f437fad71181ca9b52f44/FLAG1de8cd568 [2022-07-20 02:15:33,742 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:15:33,743 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 [2022-07-20 02:15:33,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea4db60b/59348f649a2f437fad71181ca9b52f44/FLAG1de8cd568 [2022-07-20 02:15:34,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bea4db60b/59348f649a2f437fad71181ca9b52f44 [2022-07-20 02:15:34,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:15:34,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:15:34,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:15:34,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:15:34,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:15:34,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:15:34" (1/1) ... [2022-07-20 02:15:34,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642c11bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:34, skipping insertion in model container [2022-07-20 02:15:34,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:15:34" (1/1) ... [2022-07-20 02:15:34,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:15:34,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:15:36,515 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] [2022-07-20 02:15:36,518 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] [2022-07-20 02:15:36,520 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] [2022-07-20 02:15:36,520 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] [2022-07-20 02:15:36,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:15:36,606 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:15:36,897 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] [2022-07-20 02:15:36,898 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] [2022-07-20 02:15:36,899 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] [2022-07-20 02:15:36,899 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] [2022-07-20 02:15:36,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:15:37,122 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:15:37,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37 WrapperNode [2022-07-20 02:15:37,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:15:37,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:15:37,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:15:37,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:15:37,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,438 INFO L137 Inliner]: procedures = 455, calls = 1830, calls flagged for inlining = 226, calls inlined = 204, statements flattened = 4782 [2022-07-20 02:15:37,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:15:37,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:15:37,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:15:37,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:15:37,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:15:37,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:15:37,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:15:37,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:15:37,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (1/1) ... [2022-07-20 02:15:37,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:15:37,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:15:37,681 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) [2022-07-20 02:15:37,698 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 [2022-07-20 02:15:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:15:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:15:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-07-20 02:15:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-07-20 02:15:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:15:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:15:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 02:15:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 02:15:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:15:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:15:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:15:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 02:15:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 02:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:15:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 02:15:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 02:15:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:15:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:15:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-20 02:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-20 02:15:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:15:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:15:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:15:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:15:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:15:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:15:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:15:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 02:15:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 02:15:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 02:15:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 02:15:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:15:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 02:15:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 02:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-07-20 02:15:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-07-20 02:15:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:15:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:15:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-07-20 02:15:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-07-20 02:15:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:15:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2022-07-20 02:15:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2022-07-20 02:15:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:15:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:15:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-07-20 02:15:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-07-20 02:15:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:15:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2022-07-20 02:15:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2022-07-20 02:15:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:15:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:15:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:15:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:15:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:15:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 02:15:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 02:15:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:15:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:15:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:15:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:15:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 02:15:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 02:15:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:15:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:15:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-07-20 02:15:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-07-20 02:15:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:15:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:15:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:15:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:15:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:15:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:15:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:15:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-07-20 02:15:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-07-20 02:15:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 02:15:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 02:15:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:15:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:15:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:15:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:15:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:15:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:15:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:15:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:15:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 02:15:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 02:15:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-07-20 02:15:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-07-20 02:15:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 02:15:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 02:15:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-20 02:15:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-20 02:15:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:15:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:15:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-07-20 02:15:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-07-20 02:15:37,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:15:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:15:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:15:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:15:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:15:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:15:37,738 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-20 02:15:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-20 02:15:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-20 02:15:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-20 02:15:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 02:15:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 02:15:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:15:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:15:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2022-07-20 02:15:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2022-07-20 02:15:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:15:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:15:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:15:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:15:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:15:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:15:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:15:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:15:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-07-20 02:15:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-07-20 02:15:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-07-20 02:15:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-07-20 02:15:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 02:15:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 02:15:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-07-20 02:15:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-07-20 02:15:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 02:15:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 02:15:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-07-20 02:15:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-07-20 02:15:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:15:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:15:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 02:15:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 02:15:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:15:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:15:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 02:15:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 02:15:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:15:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 02:15:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 02:15:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:15:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:15:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:15:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-07-20 02:15:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-07-20 02:15:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 02:15:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 02:15:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-07-20 02:15:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-07-20 02:15:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:15:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-07-20 02:15:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-07-20 02:15:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:15:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:15:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:15:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:15:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 02:15:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 02:15:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2022-07-20 02:15:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2022-07-20 02:15:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-07-20 02:15:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-07-20 02:15:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 02:15:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 02:15:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:15:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:15:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:15:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:15:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 02:15:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 02:15:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:15:37,748 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:15:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:15:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:15:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:15:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-07-20 02:15:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-07-20 02:15:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:15:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:15:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_68 [2022-07-20 02:15:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_68 [2022-07-20 02:15:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-07-20 02:15:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-07-20 02:15:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-07-20 02:15:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-07-20 02:15:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:15:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:15:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 02:15:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 02:15:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2022-07-20 02:15:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2022-07-20 02:15:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:15:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:15:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:15:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-07-20 02:15:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-07-20 02:15:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:15:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:15:38,443 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:15:38,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:15:39,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:15:40,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:15:40,987 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:15:41,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:15:41,005 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 02:15:41,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:15:41 BoogieIcfgContainer [2022-07-20 02:15:41,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:15:41,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:15:41,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:15:41,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:15:41,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:15:34" (1/3) ... [2022-07-20 02:15:41,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e40cce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:15:41, skipping insertion in model container [2022-07-20 02:15:41,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:37" (2/3) ... [2022-07-20 02:15:41,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e40cce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:15:41, skipping insertion in model container [2022-07-20 02:15:41,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:15:41" (3/3) ... [2022-07-20 02:15:41,017 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-07-20 02:15:41,031 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:15:41,031 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:15:41,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:15:41,140 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@2d5aa3c0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6f20556d [2022-07-20 02:15:41,141 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:15:41,153 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) [2022-07-20 02:15:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-20 02:15:41,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:15:41,168 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] [2022-07-20 02:15:41,169 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)] === [2022-07-20 02:15:41,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:15:41,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1235643051, now seen corresponding path program 1 times [2022-07-20 02:15:41,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:15:41,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12588088] [2022-07-20 02:15:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:15:41,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:15:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:15:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:15:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:15:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:15:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:15:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:15:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:15:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:15:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:15:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:15:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:15:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:42,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:15:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-20 02:15:42,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:15:42,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12588088] [2022-07-20 02:15:42,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12588088] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:15:42,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:15:42,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:15:42,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796550816] [2022-07-20 02:15:42,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:15:42,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:15:42,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:15:42,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:15:42,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:15:42,107 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) [2022-07-20 02:15:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:15:46,627 INFO L93 Difference]: Finished difference Result 5608 states and 8117 transitions. [2022-07-20 02:15:46,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:15:46,631 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 [2022-07-20 02:15:46,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:15:46,671 INFO L225 Difference]: With dead ends: 5608 [2022-07-20 02:15:46,672 INFO L226 Difference]: Without dead ends: 3757 [2022-07-20 02:15:46,692 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 [2022-07-20 02:15:46,695 INFO L413 NwaCegarLoop]: 2610 mSDtfsCounter, 3520 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 1753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4011 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 4239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1753 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:15:46,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4011 Valid, 4495 Invalid, 4239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1753 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 02:15:46,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-07-20 02:15:46,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3619. [2022-07-20 02:15:46,970 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) [2022-07-20 02:15:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3619 states and 5005 transitions. [2022-07-20 02:15:47,000 INFO L78 Accepts]: Start accepts. Automaton has 3619 states and 5005 transitions. Word has length 134 [2022-07-20 02:15:47,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:15:47,001 INFO L495 AbstractCegarLoop]: Abstraction has 3619 states and 5005 transitions. [2022-07-20 02:15:47,002 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) [2022-07-20 02:15:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 5005 transitions. [2022-07-20 02:15:47,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-20 02:15:47,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:15:47,008 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] [2022-07-20 02:15:47,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:15:47,008 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)] === [2022-07-20 02:15:47,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:15:47,010 INFO L85 PathProgramCache]: Analyzing trace with hash 831945200, now seen corresponding path program 1 times [2022-07-20 02:15:47,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:15:47,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027038365] [2022-07-20 02:15:47,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:15:47,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:15:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:15:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:15:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:15:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:15:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:15:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:15:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:15:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:15:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:15:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:15:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:15:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 02:15:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:15:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 02:15:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-20 02:15:47,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:15:47,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027038365] [2022-07-20 02:15:47,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027038365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:15:47,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:15:47,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:15:47,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432886412] [2022-07-20 02:15:47,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:15:47,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:15:47,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:15:47,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:15:47,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:15:47,310 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) [2022-07-20 02:15:51,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:15:51,667 INFO L93 Difference]: Finished difference Result 10963 states and 15239 transitions. [2022-07-20 02:15:51,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:15:51,668 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 [2022-07-20 02:15:51,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:15:51,725 INFO L225 Difference]: With dead ends: 10963 [2022-07-20 02:15:51,726 INFO L226 Difference]: Without dead ends: 7369 [2022-07-20 02:15:51,747 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 [2022-07-20 02:15:51,749 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 3484 mSDsluCounter, 1925 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 1759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:15:51,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3959 Valid, 4597 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1759 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 02:15:51,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2022-07-20 02:15:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 7170. [2022-07-20 02:15:52,106 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) [2022-07-20 02:15:52,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7170 states to 7170 states and 9950 transitions. [2022-07-20 02:15:52,152 INFO L78 Accepts]: Start accepts. Automaton has 7170 states and 9950 transitions. Word has length 148 [2022-07-20 02:15:52,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:15:52,153 INFO L495 AbstractCegarLoop]: Abstraction has 7170 states and 9950 transitions. [2022-07-20 02:15:52,153 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) [2022-07-20 02:15:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 7170 states and 9950 transitions. [2022-07-20 02:15:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-20 02:15:52,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:15:52,157 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] [2022-07-20 02:15:52,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:15:52,157 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)] === [2022-07-20 02:15:52,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:15:52,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1210169816, now seen corresponding path program 1 times [2022-07-20 02:15:52,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:15:52,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442233365] [2022-07-20 02:15:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:15:52,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:15:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:15:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:15:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:15:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:15:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:15:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:15:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:15:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:15:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:15:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:15:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:15:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 02:15:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-20 02:15:52,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:15:52,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442233365] [2022-07-20 02:15:52,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442233365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:15:52,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:15:52,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:15:52,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566731803] [2022-07-20 02:15:52,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:15:52,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:15:52,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:15:52,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:15:52,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:15:52,485 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) [2022-07-20 02:15:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:15:56,910 INFO L93 Difference]: Finished difference Result 20500 states and 28460 transitions. [2022-07-20 02:15:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:15:56,911 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 [2022-07-20 02:15:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:15:57,118 INFO L225 Difference]: With dead ends: 20500 [2022-07-20 02:15:57,119 INFO L226 Difference]: Without dead ends: 13355 [2022-07-20 02:15:57,151 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 [2022-07-20 02:15:57,153 INFO L413 NwaCegarLoop]: 2552 mSDtfsCounter, 3117 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 1731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3543 SdHoareTripleChecker+Valid, 4397 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1731 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:15:57,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3543 Valid, 4397 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1731 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 02:15:57,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13355 states. [2022-07-20 02:15:57,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13355 to 12898. [2022-07-20 02:15:57,713 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) [2022-07-20 02:15:57,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12898 states to 12898 states and 17814 transitions. [2022-07-20 02:15:57,787 INFO L78 Accepts]: Start accepts. Automaton has 12898 states and 17814 transitions. Word has length 146 [2022-07-20 02:15:57,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:15:57,788 INFO L495 AbstractCegarLoop]: Abstraction has 12898 states and 17814 transitions. [2022-07-20 02:15:57,789 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) [2022-07-20 02:15:57,789 INFO L276 IsEmpty]: Start isEmpty. Operand 12898 states and 17814 transitions. [2022-07-20 02:15:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-20 02:15:57,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:15:57,792 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] [2022-07-20 02:15:57,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:15:57,794 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)] === [2022-07-20 02:15:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:15:57,794 INFO L85 PathProgramCache]: Analyzing trace with hash -482232089, now seen corresponding path program 1 times [2022-07-20 02:15:57,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:15:57,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571673560] [2022-07-20 02:15:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:15:57,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:15:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:15:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:15:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:15:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:15:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:15:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:15:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:15:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:15:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:15:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:15:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:15:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:15:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-20 02:15:58,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:15:58,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571673560] [2022-07-20 02:15:58,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571673560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:15:58,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:15:58,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:15:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602969074] [2022-07-20 02:15:58,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:15:58,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:15:58,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:15:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:15:58,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:15:58,289 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) [2022-07-20 02:16:05,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:05,386 INFO L93 Difference]: Finished difference Result 27209 states and 37420 transitions. [2022-07-20 02:16:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:16:05,387 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 [2022-07-20 02:16:05,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:05,463 INFO L225 Difference]: With dead ends: 27209 [2022-07-20 02:16:05,463 INFO L226 Difference]: Without dead ends: 14336 [2022-07-20 02:16:05,514 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 [2022-07-20 02:16:05,515 INFO L413 NwaCegarLoop]: 4089 mSDtfsCounter, 4955 mSDsluCounter, 3361 mSDsCounter, 0 mSdLazyCounter, 7058 mSolverCounterSat, 2490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 7450 SdHoareTripleChecker+Invalid, 9548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2490 IncrementalHoareTripleChecker+Valid, 7058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:05,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5660 Valid, 7450 Invalid, 9548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2490 Valid, 7058 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-20 02:16:05,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14336 states. [2022-07-20 02:16:06,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14336 to 13774. [2022-07-20 02:16:06,066 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) [2022-07-20 02:16:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13774 states to 13774 states and 18703 transitions. [2022-07-20 02:16:06,129 INFO L78 Accepts]: Start accepts. Automaton has 13774 states and 18703 transitions. Word has length 150 [2022-07-20 02:16:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:06,129 INFO L495 AbstractCegarLoop]: Abstraction has 13774 states and 18703 transitions. [2022-07-20 02:16:06,130 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) [2022-07-20 02:16:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13774 states and 18703 transitions. [2022-07-20 02:16:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-20 02:16:06,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:06,132 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] [2022-07-20 02:16:06,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 02:16:06,132 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)] === [2022-07-20 02:16:06,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:06,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1420451989, now seen corresponding path program 1 times [2022-07-20 02:16:06,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:06,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78592010] [2022-07-20 02:16:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:06,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:16:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-20 02:16:06,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:06,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78592010] [2022-07-20 02:16:06,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78592010] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:06,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:06,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:16:06,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636663122] [2022-07-20 02:16:06,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:06,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:16:06,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:06,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:16:06,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:16:06,538 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) [2022-07-20 02:16:10,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:10,692 INFO L93 Difference]: Finished difference Result 41641 states and 56770 transitions. [2022-07-20 02:16:10,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:16:10,695 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 [2022-07-20 02:16:10,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:10,844 INFO L225 Difference]: With dead ends: 41641 [2022-07-20 02:16:10,844 INFO L226 Difference]: Without dead ends: 27949 [2022-07-20 02:16:10,908 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 [2022-07-20 02:16:10,910 INFO L413 NwaCegarLoop]: 2702 mSDtfsCounter, 3488 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 2483 mSolverCounterSat, 1764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:10,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3974 Valid, 4668 Invalid, 4247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1764 Valid, 2483 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-20 02:16:10,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27949 states. [2022-07-20 02:16:11,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27949 to 26931. [2022-07-20 02:16:11,981 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) [2022-07-20 02:16:12,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26931 states to 26931 states and 36595 transitions. [2022-07-20 02:16:12,115 INFO L78 Accepts]: Start accepts. Automaton has 26931 states and 36595 transitions. Word has length 186 [2022-07-20 02:16:12,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:12,116 INFO L495 AbstractCegarLoop]: Abstraction has 26931 states and 36595 transitions. [2022-07-20 02:16:12,116 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) [2022-07-20 02:16:12,117 INFO L276 IsEmpty]: Start isEmpty. Operand 26931 states and 36595 transitions. [2022-07-20 02:16:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-20 02:16:12,119 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:12,119 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] [2022-07-20 02:16:12,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 02:16:12,121 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)] === [2022-07-20 02:16:12,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:12,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1843153815, now seen corresponding path program 1 times [2022-07-20 02:16:12,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:12,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803196975] [2022-07-20 02:16:12,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:12,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:16:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-07-20 02:16:12,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:12,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803196975] [2022-07-20 02:16:12,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803196975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:12,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:12,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:12,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160463750] [2022-07-20 02:16:12,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:12,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:12,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:12,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:12,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:12,626 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) [2022-07-20 02:16:16,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:16,186 INFO L93 Difference]: Finished difference Result 27933 states and 38130 transitions. [2022-07-20 02:16:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:16,187 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 [2022-07-20 02:16:16,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:16,315 INFO L225 Difference]: With dead ends: 27933 [2022-07-20 02:16:16,316 INFO L226 Difference]: Without dead ends: 27931 [2022-07-20 02:16:16,332 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 [2022-07-20 02:16:16,334 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 2710 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 5392 SdHoareTripleChecker+Invalid, 4654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1277 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:16,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 5392 Invalid, 4654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1277 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 02:16:16,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27931 states. [2022-07-20 02:16:17,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27931 to 26935. [2022-07-20 02:16:17,544 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) [2022-07-20 02:16:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26935 states to 26935 states and 36598 transitions. [2022-07-20 02:16:17,678 INFO L78 Accepts]: Start accepts. Automaton has 26935 states and 36598 transitions. Word has length 186 [2022-07-20 02:16:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:17,680 INFO L495 AbstractCegarLoop]: Abstraction has 26935 states and 36598 transitions. [2022-07-20 02:16:17,680 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) [2022-07-20 02:16:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 26935 states and 36598 transitions. [2022-07-20 02:16:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-20 02:16:17,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:17,684 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] [2022-07-20 02:16:17,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 02:16:17,684 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)] === [2022-07-20 02:16:17,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:17,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1510504698, now seen corresponding path program 1 times [2022-07-20 02:16:17,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:17,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40793969] [2022-07-20 02:16:17,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:17,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:16:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-07-20 02:16:18,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:18,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40793969] [2022-07-20 02:16:18,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40793969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:18,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:18,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:18,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173403852] [2022-07-20 02:16:18,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:18,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:18,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:18,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:18,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:18,080 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) [2022-07-20 02:16:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:21,724 INFO L93 Difference]: Finished difference Result 27937 states and 38133 transitions. [2022-07-20 02:16:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:21,724 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 [2022-07-20 02:16:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:21,848 INFO L225 Difference]: With dead ends: 27937 [2022-07-20 02:16:21,849 INFO L226 Difference]: Without dead ends: 27935 [2022-07-20 02:16:21,873 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 [2022-07-20 02:16:21,874 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:21,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1276 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 02:16:21,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27935 states. [2022-07-20 02:16:22,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27935 to 26939. [2022-07-20 02:16:22,839 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) [2022-07-20 02:16:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26939 states to 26939 states and 36601 transitions. [2022-07-20 02:16:22,967 INFO L78 Accepts]: Start accepts. Automaton has 26939 states and 36601 transitions. Word has length 191 [2022-07-20 02:16:22,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:22,968 INFO L495 AbstractCegarLoop]: Abstraction has 26939 states and 36601 transitions. [2022-07-20 02:16:22,968 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) [2022-07-20 02:16:22,968 INFO L276 IsEmpty]: Start isEmpty. Operand 26939 states and 36601 transitions. [2022-07-20 02:16:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-20 02:16:22,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:22,971 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] [2022-07-20 02:16:22,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 02:16:22,972 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)] === [2022-07-20 02:16:22,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:22,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1305464649, now seen corresponding path program 1 times [2022-07-20 02:16:22,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:22,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597018124] [2022-07-20 02:16:22,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:22,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:16:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2022-07-20 02:16:23,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:23,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597018124] [2022-07-20 02:16:23,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597018124] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:23,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:23,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:23,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63136224] [2022-07-20 02:16:23,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:23,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:23,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:23,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:23,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:23,323 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) [2022-07-20 02:16:26,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:26,969 INFO L93 Difference]: Finished difference Result 27941 states and 38136 transitions. [2022-07-20 02:16:26,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:26,975 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 [2022-07-20 02:16:26,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:27,113 INFO L225 Difference]: With dead ends: 27941 [2022-07-20 02:16:27,113 INFO L226 Difference]: Without dead ends: 27939 [2022-07-20 02:16:27,141 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 [2022-07-20 02:16:27,142 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:27,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1275 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-20 02:16:27,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27939 states. [2022-07-20 02:16:28,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27939 to 26943. [2022-07-20 02:16:28,161 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) [2022-07-20 02:16:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26943 states to 26943 states and 36604 transitions. [2022-07-20 02:16:28,291 INFO L78 Accepts]: Start accepts. Automaton has 26943 states and 36604 transitions. Word has length 196 [2022-07-20 02:16:28,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:28,292 INFO L495 AbstractCegarLoop]: Abstraction has 26943 states and 36604 transitions. [2022-07-20 02:16:28,293 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) [2022-07-20 02:16:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 26943 states and 36604 transitions. [2022-07-20 02:16:28,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-20 02:16:28,296 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:28,296 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] [2022-07-20 02:16:28,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 02:16:28,297 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)] === [2022-07-20 02:16:28,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:28,297 INFO L85 PathProgramCache]: Analyzing trace with hash 438306150, now seen corresponding path program 1 times [2022-07-20 02:16:28,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:28,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609551258] [2022-07-20 02:16:28,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:28,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:16:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:16:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-07-20 02:16:28,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:28,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609551258] [2022-07-20 02:16:28,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609551258] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:28,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:28,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:28,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458355667] [2022-07-20 02:16:28,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:28,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:28,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:28,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:28,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:28,658 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) [2022-07-20 02:16:32,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:32,344 INFO L93 Difference]: Finished difference Result 27945 states and 38139 transitions. [2022-07-20 02:16:32,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:32,344 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 [2022-07-20 02:16:32,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:32,429 INFO L225 Difference]: With dead ends: 27945 [2022-07-20 02:16:32,429 INFO L226 Difference]: Without dead ends: 27943 [2022-07-20 02:16:32,440 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 [2022-07-20 02:16:32,441 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 2702 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 5395 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:32,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2950 Valid, 5395 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 02:16:32,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27943 states. [2022-07-20 02:16:33,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27943 to 26947. [2022-07-20 02:16:33,328 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) [2022-07-20 02:16:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26947 states to 26947 states and 36607 transitions. [2022-07-20 02:16:33,429 INFO L78 Accepts]: Start accepts. Automaton has 26947 states and 36607 transitions. Word has length 201 [2022-07-20 02:16:33,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:33,429 INFO L495 AbstractCegarLoop]: Abstraction has 26947 states and 36607 transitions. [2022-07-20 02:16:33,430 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) [2022-07-20 02:16:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 26947 states and 36607 transitions. [2022-07-20 02:16:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 02:16:33,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:33,435 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] [2022-07-20 02:16:33,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 02:16:33,435 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)] === [2022-07-20 02:16:33,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:33,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1035066839, now seen corresponding path program 1 times [2022-07-20 02:16:33,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:33,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319899880] [2022-07-20 02:16:33,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:33,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:16:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:16:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:16:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-07-20 02:16:33,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:33,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319899880] [2022-07-20 02:16:33,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319899880] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:33,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:33,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:33,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284748384] [2022-07-20 02:16:33,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:33,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:33,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:33,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:33,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:33,798 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) [2022-07-20 02:16:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:37,395 INFO L93 Difference]: Finished difference Result 27949 states and 38142 transitions. [2022-07-20 02:16:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:37,395 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 [2022-07-20 02:16:37,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:37,491 INFO L225 Difference]: With dead ends: 27949 [2022-07-20 02:16:37,491 INFO L226 Difference]: Without dead ends: 27947 [2022-07-20 02:16:37,509 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 [2022-07-20 02:16:37,509 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:37,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1273 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 02:16:37,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27947 states. [2022-07-20 02:16:38,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27947 to 26951. [2022-07-20 02:16:38,343 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) [2022-07-20 02:16:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26951 states to 26951 states and 36610 transitions. [2022-07-20 02:16:38,441 INFO L78 Accepts]: Start accepts. Automaton has 26951 states and 36610 transitions. Word has length 206 [2022-07-20 02:16:38,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:38,442 INFO L495 AbstractCegarLoop]: Abstraction has 26951 states and 36610 transitions. [2022-07-20 02:16:38,442 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) [2022-07-20 02:16:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 26951 states and 36610 transitions. [2022-07-20 02:16:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-20 02:16:38,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:38,446 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] [2022-07-20 02:16:38,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 02:16:38,447 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)] === [2022-07-20 02:16:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:38,447 INFO L85 PathProgramCache]: Analyzing trace with hash -652201257, now seen corresponding path program 1 times [2022-07-20 02:16:38,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:38,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984434058] [2022-07-20 02:16:38,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:38,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:16:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 02:16:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:16:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 02:16:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 02:16:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 02:16:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 02:16:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2022-07-20 02:16:38,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:38,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984434058] [2022-07-20 02:16:38,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984434058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:38,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:38,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837296305] [2022-07-20 02:16:38,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:38,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:38,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:38,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:38,992 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) [2022-07-20 02:16:42,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:42,755 INFO L93 Difference]: Finished difference Result 27953 states and 38145 transitions. [2022-07-20 02:16:42,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:42,755 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 [2022-07-20 02:16:42,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:42,839 INFO L225 Difference]: With dead ends: 27953 [2022-07-20 02:16:42,839 INFO L226 Difference]: Without dead ends: 27951 [2022-07-20 02:16:42,856 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 [2022-07-20 02:16:42,857 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 2693 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:42,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2939 Valid, 5395 Invalid, 4649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1272 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 02:16:42,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27951 states. [2022-07-20 02:16:43,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27951 to 26955. [2022-07-20 02:16:43,776 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) [2022-07-20 02:16:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26955 states to 26955 states and 36613 transitions. [2022-07-20 02:16:43,881 INFO L78 Accepts]: Start accepts. Automaton has 26955 states and 36613 transitions. Word has length 229 [2022-07-20 02:16:43,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:43,881 INFO L495 AbstractCegarLoop]: Abstraction has 26955 states and 36613 transitions. [2022-07-20 02:16:43,882 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) [2022-07-20 02:16:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 26955 states and 36613 transitions. [2022-07-20 02:16:43,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-20 02:16:43,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:43,886 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] [2022-07-20 02:16:43,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 02:16:43,886 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)] === [2022-07-20 02:16:43,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1775476358, now seen corresponding path program 1 times [2022-07-20 02:16:43,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:43,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8445732] [2022-07-20 02:16:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:16:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 02:16:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:16:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 02:16:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 02:16:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 02:16:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 02:16:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:16:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-07-20 02:16:44,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:44,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8445732] [2022-07-20 02:16:44,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8445732] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:44,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:44,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213311353] [2022-07-20 02:16:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:44,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:44,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:44,251 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) [2022-07-20 02:16:48,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:48,256 INFO L93 Difference]: Finished difference Result 29871 states and 40092 transitions. [2022-07-20 02:16:48,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:16:48,257 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 [2022-07-20 02:16:48,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:48,355 INFO L225 Difference]: With dead ends: 29871 [2022-07-20 02:16:48,355 INFO L226 Difference]: Without dead ends: 29869 [2022-07-20 02:16:48,373 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 [2022-07-20 02:16:48,374 INFO L413 NwaCegarLoop]: 2363 mSDtfsCounter, 2055 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 4439 mSolverCounterSat, 926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2339 SdHoareTripleChecker+Valid, 5785 SdHoareTripleChecker+Invalid, 5365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 926 IncrementalHoareTripleChecker+Valid, 4439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:48,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2339 Valid, 5785 Invalid, 5365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [926 Valid, 4439 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-20 02:16:48,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29869 states. [2022-07-20 02:16:49,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29869 to 28857. [2022-07-20 02:16:49,435 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) [2022-07-20 02:16:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28857 states to 28857 states and 38552 transitions. [2022-07-20 02:16:49,670 INFO L78 Accepts]: Start accepts. Automaton has 28857 states and 38552 transitions. Word has length 234 [2022-07-20 02:16:49,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:49,671 INFO L495 AbstractCegarLoop]: Abstraction has 28857 states and 38552 transitions. [2022-07-20 02:16:49,671 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) [2022-07-20 02:16:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 28857 states and 38552 transitions. [2022-07-20 02:16:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-20 02:16:49,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:49,675 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] [2022-07-20 02:16:49,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 02:16:49,675 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)] === [2022-07-20 02:16:49,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:49,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1118262746, now seen corresponding path program 1 times [2022-07-20 02:16:49,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:49,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879619169] [2022-07-20 02:16:49,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:16:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:16:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:16:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:16:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 02:16:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:16:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-07-20 02:16:50,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:50,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879619169] [2022-07-20 02:16:50,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879619169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:50,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:50,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:50,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204276145] [2022-07-20 02:16:50,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:50,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:50,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:50,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:50,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:50,035 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) [2022-07-20 02:16:53,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:53,648 INFO L93 Difference]: Finished difference Result 29875 states and 40095 transitions. [2022-07-20 02:16:53,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:53,649 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 [2022-07-20 02:16:53,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:53,738 INFO L225 Difference]: With dead ends: 29875 [2022-07-20 02:16:53,739 INFO L226 Difference]: Without dead ends: 29873 [2022-07-20 02:16:53,753 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 [2022-07-20 02:16:53,753 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 [2022-07-20 02:16:53,754 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] [2022-07-20 02:16:53,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29873 states. [2022-07-20 02:16:54,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29873 to 28861. [2022-07-20 02:16:54,656 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) [2022-07-20 02:16:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28861 states to 28861 states and 38555 transitions. [2022-07-20 02:16:54,745 INFO L78 Accepts]: Start accepts. Automaton has 28861 states and 38555 transitions. Word has length 221 [2022-07-20 02:16:54,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:54,745 INFO L495 AbstractCegarLoop]: Abstraction has 28861 states and 38555 transitions. [2022-07-20 02:16:54,745 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) [2022-07-20 02:16:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 28861 states and 38555 transitions. [2022-07-20 02:16:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-20 02:16:54,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:54,750 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] [2022-07-20 02:16:54,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 02:16:54,750 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)] === [2022-07-20 02:16:54,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:54,750 INFO L85 PathProgramCache]: Analyzing trace with hash 260109542, now seen corresponding path program 1 times [2022-07-20 02:16:54,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:54,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063612107] [2022-07-20 02:16:54,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:54,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:16:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:16:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:16:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:16:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:16:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:16:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:16:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:16:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 02:16:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:16:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 02:16:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 02:16:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 02:16:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 02:16:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:16:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 02:16:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:16:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2022-07-20 02:16:55,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:55,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063612107] [2022-07-20 02:16:55,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063612107] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:55,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:55,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:55,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129300892] [2022-07-20 02:16:55,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:55,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:55,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:55,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:55,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:55,280 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) [2022-07-20 02:16:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:58,969 INFO L93 Difference]: Finished difference Result 29879 states and 40098 transitions. [2022-07-20 02:16:58,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:58,970 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 [2022-07-20 02:16:58,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:59,055 INFO L225 Difference]: With dead ends: 29879 [2022-07-20 02:16:59,055 INFO L226 Difference]: Without dead ends: 29877 [2022-07-20 02:16:59,072 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 [2022-07-20 02:16:59,072 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 2693 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2939 SdHoareTripleChecker+Valid, 5395 SdHoareTripleChecker+Invalid, 4646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1269 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:59,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2939 Valid, 5395 Invalid, 4646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1269 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-20 02:16:59,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29877 states. [2022-07-20 02:17:00,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29877 to 28865. [2022-07-20 02:17:00,041 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) [2022-07-20 02:17:00,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28865 states to 28865 states and 38558 transitions. [2022-07-20 02:17:00,125 INFO L78 Accepts]: Start accepts. Automaton has 28865 states and 38558 transitions. Word has length 244 [2022-07-20 02:17:00,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:00,126 INFO L495 AbstractCegarLoop]: Abstraction has 28865 states and 38558 transitions. [2022-07-20 02:17:00,126 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) [2022-07-20 02:17:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 28865 states and 38558 transitions. [2022-07-20 02:17:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-20 02:17:00,131 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:00,131 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 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, 1, 1, 1, 1] [2022-07-20 02:17:00,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 02:17:00,131 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)] === [2022-07-20 02:17:00,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:00,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1956434054, now seen corresponding path program 1 times [2022-07-20 02:17:00,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:00,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014375584] [2022-07-20 02:17:00,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:00,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:17:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:17:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:17:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:17:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:17:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:17:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:17:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:17:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:17:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:17:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 02:17:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:17:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 02:17:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 02:17:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2022-07-20 02:17:00,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:00,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014375584] [2022-07-20 02:17:00,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014375584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:00,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:00,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:17:00,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921261023] [2022-07-20 02:17:00,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:00,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:17:00,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:00,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:17:00,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:17:00,460 INFO L87 Difference]: Start difference. First operand 28865 states and 38558 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, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 02:17:04,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:04,516 INFO L93 Difference]: Finished difference Result 29883 states and 40101 transitions. [2022-07-20 02:17:04,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:17:04,516 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, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 231 [2022-07-20 02:17:04,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:04,616 INFO L225 Difference]: With dead ends: 29883 [2022-07-20 02:17:04,616 INFO L226 Difference]: Without dead ends: 29881 [2022-07-20 02:17:04,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:17:04,637 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:04,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1268 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 02:17:04,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29881 states. [2022-07-20 02:17:05,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29881 to 28869. [2022-07-20 02:17:05,653 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) [2022-07-20 02:17:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28869 states to 28869 states and 38561 transitions. [2022-07-20 02:17:05,743 INFO L78 Accepts]: Start accepts. Automaton has 28869 states and 38561 transitions. Word has length 231 [2022-07-20 02:17:05,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:05,744 INFO L495 AbstractCegarLoop]: Abstraction has 28869 states and 38561 transitions. [2022-07-20 02:17:05,744 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, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 02:17:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 28869 states and 38561 transitions. [2022-07-20 02:17:05,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-20 02:17:05,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:05,749 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] [2022-07-20 02:17:05,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 02:17:05,749 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)] === [2022-07-20 02:17:05,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:05,750 INFO L85 PathProgramCache]: Analyzing trace with hash -544170063, now seen corresponding path program 1 times [2022-07-20 02:17:05,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:05,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229726347] [2022-07-20 02:17:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:05,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:17:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:17:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 02:17:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 02:17:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:17:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:17:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 02:17:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:06,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:17:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 02:17:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 02:17:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-07-20 02:17:06,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:06,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229726347] [2022-07-20 02:17:06,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229726347] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:06,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:06,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:06,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395113680] [2022-07-20 02:17:06,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:06,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:06,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:06,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:06,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:06,077 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) [2022-07-20 02:17:10,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:10,527 INFO L93 Difference]: Finished difference Result 64860 states and 86898 transitions. [2022-07-20 02:17:10,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:10,528 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 [2022-07-20 02:17:10,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:10,653 INFO L225 Difference]: With dead ends: 64860 [2022-07-20 02:17:10,653 INFO L226 Difference]: Without dead ends: 36073 [2022-07-20 02:17:10,741 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 [2022-07-20 02:17:10,743 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 2083 mSDsluCounter, 2258 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 1104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 6039 SdHoareTripleChecker+Invalid, 3491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:10,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 6039 Invalid, 3491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1104 Valid, 2387 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 02:17:10,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36073 states. [2022-07-20 02:17:12,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36073 to 34793. [2022-07-20 02:17:12,142 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) [2022-07-20 02:17:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34793 states to 34793 states and 46421 transitions. [2022-07-20 02:17:12,242 INFO L78 Accepts]: Start accepts. Automaton has 34793 states and 46421 transitions. Word has length 232 [2022-07-20 02:17:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:12,242 INFO L495 AbstractCegarLoop]: Abstraction has 34793 states and 46421 transitions. [2022-07-20 02:17:12,243 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) [2022-07-20 02:17:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 34793 states and 46421 transitions. [2022-07-20 02:17:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-20 02:17:12,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:12,245 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] [2022-07-20 02:17:12,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 02:17:12,246 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)] === [2022-07-20 02:17:12,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:12,246 INFO L85 PathProgramCache]: Analyzing trace with hash 221217606, now seen corresponding path program 1 times [2022-07-20 02:17:12,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:12,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322901158] [2022-07-20 02:17:12,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:12,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:17:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:17:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:17:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:17:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:17:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:17:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 02:17:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:17:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:17:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 02:17:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 02:17:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 02:17:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 02:17:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:17:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 02:17:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:17:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 02:17:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:17:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-07-20 02:17:12,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:12,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322901158] [2022-07-20 02:17:12,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322901158] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:12,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:12,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:17:12,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798335463] [2022-07-20 02:17:12,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:12,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:17:12,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:12,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:17:12,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:17:12,563 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) [2022-07-20 02:17:16,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:16,547 INFO L93 Difference]: Finished difference Result 36011 states and 48264 transitions. [2022-07-20 02:17:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:17:16,549 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 [2022-07-20 02:17:16,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:16,669 INFO L225 Difference]: With dead ends: 36011 [2022-07-20 02:17:16,669 INFO L226 Difference]: Without dead ends: 36007 [2022-07-20 02:17:16,688 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 [2022-07-20 02:17:16,688 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 2693 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2939 SdHoareTripleChecker+Valid, 5395 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 [2022-07-20 02:17:16,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2939 Valid, 5395 Invalid, 4644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 02:17:16,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36007 states. [2022-07-20 02:17:17,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36007 to 34795. [2022-07-20 02:17:17,920 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) [2022-07-20 02:17:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34795 states to 34795 states and 46422 transitions. [2022-07-20 02:17:18,019 INFO L78 Accepts]: Start accepts. Automaton has 34795 states and 46422 transitions. Word has length 254 [2022-07-20 02:17:18,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:18,020 INFO L495 AbstractCegarLoop]: Abstraction has 34795 states and 46422 transitions. [2022-07-20 02:17:18,020 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) [2022-07-20 02:17:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 34795 states and 46422 transitions. [2022-07-20 02:17:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-20 02:17:18,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:18,023 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:18,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 02:17:18,023 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)] === [2022-07-20 02:17:18,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:18,023 INFO L85 PathProgramCache]: Analyzing trace with hash -778162458, now seen corresponding path program 1 times [2022-07-20 02:17:18,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:18,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700059070] [2022-07-20 02:17:18,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:18,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:17:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:17:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:17:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:17:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:17:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:17:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:17:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:17:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:17:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:17:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 02:17:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:17:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 02:17:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 02:17:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:17:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:17:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-07-20 02:17:18,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:18,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700059070] [2022-07-20 02:17:18,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700059070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:18,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:18,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:17:18,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141004016] [2022-07-20 02:17:18,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:18,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:17:18,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:18,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:17:18,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:17:18,322 INFO L87 Difference]: Start difference. First operand 34795 states and 46422 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, (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) [2022-07-20 02:17:22,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:22,627 INFO L93 Difference]: Finished difference Result 36007 states and 48260 transitions. [2022-07-20 02:17:22,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:17:22,628 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, (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 241 [2022-07-20 02:17:22,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:22,752 INFO L225 Difference]: With dead ends: 36007 [2022-07-20 02:17:22,753 INFO L226 Difference]: Without dead ends: 35735 [2022-07-20 02:17:22,771 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 [2022-07-20 02:17:22,772 INFO L413 NwaCegarLoop]: 2319 mSDtfsCounter, 2696 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:22,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 5396 Invalid, 4638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 3372 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 02:17:22,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35735 states. [2022-07-20 02:17:23,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35735 to 34523. [2022-07-20 02:17:23,972 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) [2022-07-20 02:17:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34523 states to 34523 states and 46023 transitions. [2022-07-20 02:17:24,225 INFO L78 Accepts]: Start accepts. Automaton has 34523 states and 46023 transitions. Word has length 241 [2022-07-20 02:17:24,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:24,226 INFO L495 AbstractCegarLoop]: Abstraction has 34523 states and 46023 transitions. [2022-07-20 02:17:24,226 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, (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) [2022-07-20 02:17:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 34523 states and 46023 transitions. [2022-07-20 02:17:24,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-20 02:17:24,230 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:24,231 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] [2022-07-20 02:17:24,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 02:17:24,231 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)] === [2022-07-20 02:17:24,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:24,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2147016414, now seen corresponding path program 1 times [2022-07-20 02:17:24,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:24,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37408126] [2022-07-20 02:17:24,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:24,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:17:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:17:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 02:17:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 02:17:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:17:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:17:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:17:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 02:17:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:17:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 02:17:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:17:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 02:17:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 02:17:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 02:17:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-07-20 02:17:24,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:24,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37408126] [2022-07-20 02:17:24,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37408126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:24,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:24,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:24,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218679650] [2022-07-20 02:17:24,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:24,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:24,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:24,575 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) [2022-07-20 02:17:29,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:29,176 INFO L93 Difference]: Finished difference Result 76177 states and 101857 transitions. [2022-07-20 02:17:29,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:29,177 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 [2022-07-20 02:17:29,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:29,340 INFO L225 Difference]: With dead ends: 76177 [2022-07-20 02:17:29,340 INFO L226 Difference]: Without dead ends: 41677 [2022-07-20 02:17:29,428 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 [2022-07-20 02:17:29,428 INFO L413 NwaCegarLoop]: 3734 mSDtfsCounter, 2055 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 1029 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 3342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1029 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:29,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 5969 Invalid, 3342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1029 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 02:17:29,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41677 states. [2022-07-20 02:17:31,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41677 to 40257. [2022-07-20 02:17:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40257 states, 27705 states have (on average 1.2339649882692654) internal successors, (34187), 28456 states have internal predecessors, (34187), 9693 states have call successors, (9693), 2855 states have call predecessors, (9693), 2857 states have return successors, (9755), 9453 states have call predecessors, (9755), 9693 states have call successors, (9755) [2022-07-20 02:17:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40257 states to 40257 states and 53635 transitions. [2022-07-20 02:17:31,421 INFO L78 Accepts]: Start accepts. Automaton has 40257 states and 53635 transitions. Word has length 306 [2022-07-20 02:17:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:31,422 INFO L495 AbstractCegarLoop]: Abstraction has 40257 states and 53635 transitions. [2022-07-20 02:17:31,422 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-20 02:17:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 40257 states and 53635 transitions. [2022-07-20 02:17:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-20 02:17:31,427 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:31,427 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] [2022-07-20 02:17:31,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 02:17:31,428 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-07-20 02:17:31,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:31,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1586316636, now seen corresponding path program 1 times [2022-07-20 02:17:31,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:31,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872543845] [2022-07-20 02:17:31,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:31,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:17:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:17:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 02:17:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 02:17:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:17:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:17:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:17:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 02:17:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:17:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 02:17:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:17:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 02:17:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 02:17:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 02:17:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-07-20 02:17:31,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:31,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872543845] [2022-07-20 02:17:31,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872543845] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:31,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:31,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:31,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257374806] [2022-07-20 02:17:31,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:31,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:31,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:31,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:31,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:31,971 INFO L87 Difference]: Start difference. First operand 40257 states and 53635 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) [2022-07-20 02:17:37,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:37,647 INFO L93 Difference]: Finished difference Result 90786 states and 121359 transitions. [2022-07-20 02:17:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:37,648 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 [2022-07-20 02:17:37,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:37,846 INFO L225 Difference]: With dead ends: 90786 [2022-07-20 02:17:37,846 INFO L226 Difference]: Without dead ends: 50611 [2022-07-20 02:17:37,954 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 [2022-07-20 02:17:37,956 INFO L413 NwaCegarLoop]: 3874 mSDtfsCounter, 2357 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 5997 SdHoareTripleChecker+Invalid, 3440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:37,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 5997 Invalid, 3440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1084 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 02:17:38,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50611 states. [2022-07-20 02:17:40,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50611 to 48805. [2022-07-20 02:17:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48805 states, 33513 states have (on average 1.2328350192462627) internal successors, (41316), 34416 states have internal predecessors, (41316), 11815 states have call successors, (11815), 3473 states have call predecessors, (11815), 3475 states have return successors, (11877), 11523 states have call predecessors, (11877), 11815 states have call successors, (11877) [2022-07-20 02:17:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48805 states to 48805 states and 65008 transitions. [2022-07-20 02:17:40,378 INFO L78 Accepts]: Start accepts. Automaton has 48805 states and 65008 transitions. Word has length 306 [2022-07-20 02:17:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:40,379 INFO L495 AbstractCegarLoop]: Abstraction has 48805 states and 65008 transitions. [2022-07-20 02:17:40,380 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-20 02:17:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 48805 states and 65008 transitions. [2022-07-20 02:17:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-20 02:17:40,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:40,386 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:40,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 02:17:40,386 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-07-20 02:17:40,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:40,387 INFO L85 PathProgramCache]: Analyzing trace with hash 628354742, now seen corresponding path program 1 times [2022-07-20 02:17:40,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:40,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062262502] [2022-07-20 02:17:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:17:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:17:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:17:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:17:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:17:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 02:17:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 02:17:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:17:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:17:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:17:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 02:17:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:17:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 02:17:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 02:17:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 02:17:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 02:17:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 02:17:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-20 02:17:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 02:17:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 02:17:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-20 02:17:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-20 02:17:40,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:40,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062262502] [2022-07-20 02:17:40,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062262502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:40,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:40,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:40,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865836052] [2022-07-20 02:17:40,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:40,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:40,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:40,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:40,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:40,956 INFO L87 Difference]: Start difference. First operand 48805 states and 65008 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-20 02:17:46,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:46,240 INFO L93 Difference]: Finished difference Result 105404 states and 140807 transitions. [2022-07-20 02:17:46,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:46,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 360 [2022-07-20 02:17:46,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:46,437 INFO L225 Difference]: With dead ends: 105404 [2022-07-20 02:17:46,437 INFO L226 Difference]: Without dead ends: 56695 [2022-07-20 02:17:46,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:17:46,563 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 2073 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 2314 mSolverCounterSat, 1088 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 5619 SdHoareTripleChecker+Invalid, 3402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1088 IncrementalHoareTripleChecker+Valid, 2314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:46,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 5619 Invalid, 3402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1088 Valid, 2314 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 02:17:46,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56695 states.