./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-smsc-epic100.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-smsc-epic100.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 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:22:04,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:22:04,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:22:04,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:22:04,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:22:04,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:22:04,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:22:04,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:22:04,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:22:04,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:22:04,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:22:04,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:22:04,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:22:04,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:22:04,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:22:04,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:22:04,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:22:04,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:22:05,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:22:05,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:22:05,008 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:22:05,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:22:05,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:22:05,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:22:05,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:22:05,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:22:05,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:22:05,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:22:05,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:22:05,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:22:05,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:22:05,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:22:05,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:22:05,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:22:05,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:22:05,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:22:05,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:22:05,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:22:05,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:22:05,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:22:05,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:22:05,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:22:05,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:22:05,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:22:05,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:22:05,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:22:05,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:22:05,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:22:05,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:22:05,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:22:05,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:22:05,059 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:22:05,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:22:05,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:22:05,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:22:05,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:22:05,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:22:05,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:22:05,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:22:05,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:22:05,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:22:05,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:22:05,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:22:05,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:22:05,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:22:05,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:22:05,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:22:05,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:22:05,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:22:05,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:22:05,064 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:22:05,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:22:05,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:22:05,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a [2022-07-20 02:22:05,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:22:05,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:22:05,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:22:05,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:22:05,337 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:22:05,338 INFO L432 ainManager$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-smsc-epic100.cil.i [2022-07-20 02:22:05,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe8b7f8a/f490614bc1f94aa9a89b250b196bf88a/FLAG29f272d97 [2022-07-20 02:22:06,083 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:22:06,084 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-smsc-epic100.cil.i [2022-07-20 02:22:06,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe8b7f8a/f490614bc1f94aa9a89b250b196bf88a/FLAG29f272d97 [2022-07-20 02:22:06,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe8b7f8a/f490614bc1f94aa9a89b250b196bf88a [2022-07-20 02:22:06,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:22:06,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:22:06,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:22:06,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:22:06,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:22:06,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:22:06" (1/1) ... [2022-07-20 02:22:06,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd5d976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:06, skipping insertion in model container [2022-07-20 02:22:06,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:22:06" (1/1) ... [2022-07-20 02:22:06,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:22:06,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:22:08,639 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-smsc-epic100.cil.i[331922,331935] [2022-07-20 02:22:08,641 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-smsc-epic100.cil.i[332091,332104] [2022-07-20 02:22:08,643 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-smsc-epic100.cil.i[332258,332271] [2022-07-20 02:22:08,643 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-smsc-epic100.cil.i[332426,332439] [2022-07-20 02:22:08,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:22:08,745 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:22:09,057 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-smsc-epic100.cil.i[331922,331935] [2022-07-20 02:22:09,058 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-smsc-epic100.cil.i[332091,332104] [2022-07-20 02:22:09,058 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-smsc-epic100.cil.i[332258,332271] [2022-07-20 02:22:09,058 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-smsc-epic100.cil.i[332426,332439] [2022-07-20 02:22:09,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:22:09,241 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:22:09,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09 WrapperNode [2022-07-20 02:22:09,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:22:09,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:22:09,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:22:09,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:22:09,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,547 INFO L137 Inliner]: procedures = 451, calls = 2016, calls flagged for inlining = 220, calls inlined = 194, statements flattened = 4695 [2022-07-20 02:22:09,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:22:09,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:22:09,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:22:09,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:22:09,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:22:09,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:22:09,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:22:09,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:22:09,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (1/1) ... [2022-07-20 02:22:09,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:22:09,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:22:09,798 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 02:22:09,822 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 02:22:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-20 02:22:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-20 02:22:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:22:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:22:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:22:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:22:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_begin [2022-07-20 02:22:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_begin [2022-07-20 02:22:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 02:22:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 02:22:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:22:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:22:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:22:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:22:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:22:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:22:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:22:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:22:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:22:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:22:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-20 02:22:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-20 02:22:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2022-07-20 02:22:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2022-07-20 02:22:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 02:22:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 02:22:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:22:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:22:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 02:22:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:22:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:22:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:22:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:22:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:22:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:22:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 02:22:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 02:22:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:22:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:22:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:22:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:22:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 02:22:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 02:22:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 02:22:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 02:22:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:22:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:22:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:22:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:22:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:22:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:22:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:22:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:22:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:22:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:22:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:22:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure epic_open [2022-07-20 02:22:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_open [2022-07-20 02:22:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:22:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-20 02:22:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-20 02:22:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:22:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:22:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:22:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:22:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 02:22:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 02:22:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:22:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:22:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:22:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:22:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 02:22:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 02:22:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:22:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:22:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure epic_restart [2022-07-20 02:22:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_restart [2022-07-20 02:22:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2022-07-20 02:22:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2022-07-20 02:22:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:22:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:22:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:22:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:22:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:22:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:22:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:22:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:22:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-07-20 02:22:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-07-20 02:22:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:22:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:22:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:22:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:22:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:22:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-20 02:22:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-20 02:22:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:22:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:22:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_epic_private [2022-07-20 02:22:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_epic_private [2022-07-20 02:22:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-20 02:22:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-20 02:22:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 02:22:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 02:22:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 02:22:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 02:22:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-20 02:22:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-20 02:22:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:22:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:22:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure epic_remove_one [2022-07-20 02:22:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_remove_one [2022-07-20 02:22:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 02:22:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 02:22:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:22:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:22:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_napi_lock_of_epic_private [2022-07-20 02:22:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_napi_lock_of_epic_private [2022-07-20 02:22:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:22:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:22:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-20 02:22:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-20 02:22:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:22:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:22:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:22:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:22:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:22:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:22:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:22:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:22:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure epic_rx [2022-07-20 02:22:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_rx [2022-07-20 02:22:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_complete [2022-07-20 02:22:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_complete [2022-07-20 02:22:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 02:22:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 02:22:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_napi_lock_of_epic_private [2022-07-20 02:22:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_napi_lock_of_epic_private [2022-07-20 02:22:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 02:22:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 02:22:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:22:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:22:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:22:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:22:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 02:22:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 02:22:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:22:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:22:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:22:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2022-07-20 02:22:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2022-07-20 02:22:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure epic_resume [2022-07-20 02:22:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_resume [2022-07-20 02:22:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:22:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:22:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:22:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure epic_tx_timeout [2022-07-20 02:22:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_tx_timeout [2022-07-20 02:22:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 02:22:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 02:22:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:22:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:22:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:22:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:22:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:22:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 02:22:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 02:22:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:22:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:22:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:22:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:22:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure epic_close [2022-07-20 02:22:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_close [2022-07-20 02:22:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:22:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:22:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:22:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:22:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:22:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:22:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:22:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_epic_private [2022-07-20 02:22:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_epic_private [2022-07-20 02:22:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:22:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:22:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 02:22:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 02:22:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:22:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:22:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:22:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure epic_pause [2022-07-20 02:22:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_pause [2022-07-20 02:22:10,760 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:22:10,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:22:11,154 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:22:13,216 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:22:13,282 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:22:13,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:22:13,307 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 02:22:13,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:22:13 BoogieIcfgContainer [2022-07-20 02:22:13,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:22:13,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:22:13,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:22:13,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:22:13,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:22:06" (1/3) ... [2022-07-20 02:22:13,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a8da40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:22:13, skipping insertion in model container [2022-07-20 02:22:13,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:09" (2/3) ... [2022-07-20 02:22:13,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a8da40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:22:13, skipping insertion in model container [2022-07-20 02:22:13,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:22:13" (3/3) ... [2022-07-20 02:22:13,320 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2022-07-20 02:22:13,332 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:22:13,332 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:22:13,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:22:13,433 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@2d463af0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5a22d829 [2022-07-20 02:22:13,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:22:13,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1186 states have (on average 1.3010118043844856) internal successors, (1543), 1220 states have internal predecessors, (1543), 441 states have call successors, (441), 87 states have call predecessors, (441), 86 states have return successors, (435), 430 states have call predecessors, (435), 435 states have call successors, (435) [2022-07-20 02:22:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-20 02:22:13,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:13,473 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:13,474 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 02:22:13,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:13,480 INFO L85 PathProgramCache]: Analyzing trace with hash 314341586, now seen corresponding path program 1 times [2022-07-20 02:22:13,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:13,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889142354] [2022-07-20 02:22:13,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:13,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 02:22:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-20 02:22:14,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:14,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889142354] [2022-07-20 02:22:14,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889142354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:14,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:14,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:14,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006567779] [2022-07-20 02:22:14,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:14,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:14,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:14,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:14,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:14,250 INFO L87 Difference]: Start difference. First operand has 1716 states, 1186 states have (on average 1.3010118043844856) internal successors, (1543), 1220 states have internal predecessors, (1543), 441 states have call successors, (441), 87 states have call predecessors, (441), 86 states have return successors, (435), 430 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 02:22:17,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:17,611 INFO L93 Difference]: Finished difference Result 5035 states and 7251 transitions. [2022-07-20 02:22:17,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:22:17,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2022-07-20 02:22:17,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:17,655 INFO L225 Difference]: With dead ends: 5035 [2022-07-20 02:22:17,656 INFO L226 Difference]: Without dead ends: 3332 [2022-07-20 02:22:17,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 02:22:17,674 INFO L413 NwaCegarLoop]: 2603 mSDtfsCounter, 2683 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 1100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 5128 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1100 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:17,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 5128 Invalid, 2864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1100 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 02:22:17,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-07-20 02:22:17,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 3300. [2022-07-20 02:22:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 2301 states have (on average 1.2759669708822252) internal successors, (2936), 2368 states have internal predecessors, (2936), 828 states have call successors, (828), 169 states have call predecessors, (828), 168 states have return successors, (824), 814 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-20 02:22:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4588 transitions. [2022-07-20 02:22:17,952 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4588 transitions. Word has length 127 [2022-07-20 02:22:17,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:17,955 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 4588 transitions. [2022-07-20 02:22:17,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 02:22:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4588 transitions. [2022-07-20 02:22:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-20 02:22:17,965 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:17,965 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:17,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:22:17,966 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 02:22:17,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:17,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2030801047, now seen corresponding path program 1 times [2022-07-20 02:22:17,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:17,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986607298] [2022-07-20 02:22:17,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:17,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:22:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-20 02:22:18,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:18,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986607298] [2022-07-20 02:22:18,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986607298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:18,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:18,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:18,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517879576] [2022-07-20 02:22:18,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:18,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:18,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:18,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:18,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:18,283 INFO L87 Difference]: Start difference. First operand 3300 states and 4588 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 02:22:21,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:21,343 INFO L93 Difference]: Finished difference Result 9372 states and 13067 transitions. [2022-07-20 02:22:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:22:21,343 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 136 [2022-07-20 02:22:21,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:21,385 INFO L225 Difference]: With dead ends: 9372 [2022-07-20 02:22:21,386 INFO L226 Difference]: Without dead ends: 6095 [2022-07-20 02:22:21,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 02:22:21,402 INFO L413 NwaCegarLoop]: 2554 mSDtfsCounter, 2353 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 1083 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 2845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1083 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:21,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 5037 Invalid, 2845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1083 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-20 02:22:21,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6095 states. [2022-07-20 02:22:21,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6095 to 6013. [2022-07-20 02:22:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 4176 states have (on average 1.2775383141762453) internal successors, (5335), 4304 states have internal predecessors, (5335), 1515 states have call successors, (1515), 320 states have call predecessors, (1515), 319 states have return successors, (1515), 1484 states have call predecessors, (1515), 1511 states have call successors, (1515) [2022-07-20 02:22:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 8365 transitions. [2022-07-20 02:22:21,684 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 8365 transitions. Word has length 136 [2022-07-20 02:22:21,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:21,685 INFO L495 AbstractCegarLoop]: Abstraction has 6013 states and 8365 transitions. [2022-07-20 02:22:21,686 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 02:22:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 8365 transitions. [2022-07-20 02:22:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-20 02:22:21,689 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:21,689 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:22:21,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:22:21,690 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 02:22:21,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:21,690 INFO L85 PathProgramCache]: Analyzing trace with hash 887600161, now seen corresponding path program 1 times [2022-07-20 02:22:21,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:21,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706293656] [2022-07-20 02:22:21,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:21,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:22:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:22:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:22:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 02:22:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-20 02:22:22,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:22,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706293656] [2022-07-20 02:22:22,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706293656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:22,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:22,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:22,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739403810] [2022-07-20 02:22:22,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:22,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:22,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:22,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:22,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:22,023 INFO L87 Difference]: Start difference. First operand 6013 states and 8365 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-20 02:22:25,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:25,003 INFO L93 Difference]: Finished difference Result 17557 states and 24466 transitions. [2022-07-20 02:22:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:22:25,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 142 [2022-07-20 02:22:25,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:25,072 INFO L225 Difference]: With dead ends: 17557 [2022-07-20 02:22:25,072 INFO L226 Difference]: Without dead ends: 11567 [2022-07-20 02:22:25,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 02:22:25,104 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 2566 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 1074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 5302 SdHoareTripleChecker+Invalid, 2795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1074 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:25,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 5302 Invalid, 2795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1074 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-20 02:22:25,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11567 states. [2022-07-20 02:22:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11567 to 11425. [2022-07-20 02:22:25,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11425 states, 7954 states have (on average 1.2777219009303495) internal successors, (10163), 8198 states have internal predecessors, (10163), 2855 states have call successors, (2855), 622 states have call predecessors, (2855), 613 states have return successors, (2867), 2776 states have call predecessors, (2867), 2851 states have call successors, (2867) [2022-07-20 02:22:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11425 states to 11425 states and 15885 transitions. [2022-07-20 02:22:25,694 INFO L78 Accepts]: Start accepts. Automaton has 11425 states and 15885 transitions. Word has length 142 [2022-07-20 02:22:25,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:25,695 INFO L495 AbstractCegarLoop]: Abstraction has 11425 states and 15885 transitions. [2022-07-20 02:22:25,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-20 02:22:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 11425 states and 15885 transitions. [2022-07-20 02:22:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-20 02:22:25,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:25,702 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:25,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:22:25,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 02:22:25,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:25,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1482421771, now seen corresponding path program 1 times [2022-07-20 02:22:25,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:25,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295466475] [2022-07-20 02:22:25,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:22:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-07-20 02:22:26,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:26,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295466475] [2022-07-20 02:22:26,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295466475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:26,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:26,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:26,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834106531] [2022-07-20 02:22:26,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:26,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:26,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:26,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:26,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:26,116 INFO L87 Difference]: Start difference. First operand 11425 states and 15885 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:22:28,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:28,801 INFO L93 Difference]: Finished difference Result 23037 states and 32075 transitions. [2022-07-20 02:22:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:22:28,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 183 [2022-07-20 02:22:28,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:28,889 INFO L225 Difference]: With dead ends: 23037 [2022-07-20 02:22:28,889 INFO L226 Difference]: Without dead ends: 17169 [2022-07-20 02:22:28,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 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 02:22:28,922 INFO L413 NwaCegarLoop]: 4388 mSDtfsCounter, 2222 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2597 SdHoareTripleChecker+Valid, 7904 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:28,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2597 Valid, 7904 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 02:22:28,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17169 states. [2022-07-20 02:22:29,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17169 to 17003. [2022-07-20 02:22:29,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17003 states, 11847 states have (on average 1.2779606651472948) internal successors, (15140), 12206 states have internal predecessors, (15140), 4236 states have call successors, (4236), 930 states have call predecessors, (4236), 917 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-20 02:22:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17003 states to 17003 states and 23632 transitions. [2022-07-20 02:22:29,630 INFO L78 Accepts]: Start accepts. Automaton has 17003 states and 23632 transitions. Word has length 183 [2022-07-20 02:22:29,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:29,631 INFO L495 AbstractCegarLoop]: Abstraction has 17003 states and 23632 transitions. [2022-07-20 02:22:29,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:22:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 17003 states and 23632 transitions. [2022-07-20 02:22:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-20 02:22:29,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:29,636 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:29,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 02:22:29,637 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 02:22:29,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1622970381, now seen corresponding path program 1 times [2022-07-20 02:22:29,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:29,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225968186] [2022-07-20 02:22:29,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:29,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:22:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-07-20 02:22:30,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:30,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225968186] [2022-07-20 02:22:30,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225968186] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:30,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:30,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:22:30,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078942385] [2022-07-20 02:22:30,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:30,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:22:30,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:30,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:22:30,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:22:30,030 INFO L87 Difference]: Start difference. First operand 17003 states and 23632 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, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 02:22:32,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:32,468 INFO L93 Difference]: Finished difference Result 17171 states and 23916 transitions. [2022-07-20 02:22:32,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:22:32,469 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, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 183 [2022-07-20 02:22:32,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:32,553 INFO L225 Difference]: With dead ends: 17171 [2022-07-20 02:22:32,553 INFO L226 Difference]: Without dead ends: 17169 [2022-07-20 02:22:32,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 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 02:22:32,572 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2292 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:32,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 6275 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 02:22:32,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17169 states. [2022-07-20 02:22:33,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17169 to 17007. [2022-07-20 02:22:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17007 states, 11850 states have (on average 1.2778902953586497) internal successors, (15143), 12209 states have internal predecessors, (15143), 4236 states have call successors, (4236), 931 states have call predecessors, (4236), 918 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-20 02:22:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17007 states to 17007 states and 23635 transitions. [2022-07-20 02:22:33,415 INFO L78 Accepts]: Start accepts. Automaton has 17007 states and 23635 transitions. Word has length 183 [2022-07-20 02:22:33,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:33,416 INFO L495 AbstractCegarLoop]: Abstraction has 17007 states and 23635 transitions. [2022-07-20 02:22:33,416 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, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 02:22:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 17007 states and 23635 transitions. [2022-07-20 02:22:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-20 02:22:33,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:33,423 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:33,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 02:22:33,424 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 02:22:33,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1092258744, now seen corresponding path program 1 times [2022-07-20 02:22:33,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:33,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910988265] [2022-07-20 02:22:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:22:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-07-20 02:22:33,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:33,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910988265] [2022-07-20 02:22:33,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910988265] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:33,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:33,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:22:33,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357962801] [2022-07-20 02:22:33,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:33,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:22:33,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:33,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:22:33,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:22:33,831 INFO L87 Difference]: Start difference. First operand 17007 states and 23635 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:36,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:36,145 INFO L93 Difference]: Finished difference Result 17175 states and 23919 transitions. [2022-07-20 02:22:36,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:22:36,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 188 [2022-07-20 02:22:36,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:36,228 INFO L225 Difference]: With dead ends: 17175 [2022-07-20 02:22:36,228 INFO L226 Difference]: Without dead ends: 17173 [2022-07-20 02:22:36,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 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 02:22:36,245 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 730 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:36,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [730 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 02:22:36,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17173 states. [2022-07-20 02:22:36,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17173 to 17011. [2022-07-20 02:22:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17011 states, 11853 states have (on average 1.2778199611912595) internal successors, (15146), 12212 states have internal predecessors, (15146), 4236 states have call successors, (4236), 932 states have call predecessors, (4236), 919 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-20 02:22:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17011 states to 17011 states and 23638 transitions. [2022-07-20 02:22:37,060 INFO L78 Accepts]: Start accepts. Automaton has 17011 states and 23638 transitions. Word has length 188 [2022-07-20 02:22:37,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:37,061 INFO L495 AbstractCegarLoop]: Abstraction has 17011 states and 23638 transitions. [2022-07-20 02:22:37,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 17011 states and 23638 transitions. [2022-07-20 02:22:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-20 02:22:37,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:37,068 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:37,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 02:22:37,069 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 02:22:37,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:37,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2027210067, now seen corresponding path program 1 times [2022-07-20 02:22:37,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:37,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469317876] [2022-07-20 02:22:37,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:37,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:22:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:22:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-07-20 02:22:37,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:37,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469317876] [2022-07-20 02:22:37,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469317876] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:37,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:37,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:22:37,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130472351] [2022-07-20 02:22:37,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:37,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:22:37,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:37,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:22:37,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:22:37,432 INFO L87 Difference]: Start difference. First operand 17011 states and 23638 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:39,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:39,928 INFO L93 Difference]: Finished difference Result 17179 states and 23922 transitions. [2022-07-20 02:22:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:22:39,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 193 [2022-07-20 02:22:39,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:40,052 INFO L225 Difference]: With dead ends: 17179 [2022-07-20 02:22:40,053 INFO L226 Difference]: Without dead ends: 17177 [2022-07-20 02:22:40,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 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 02:22:40,063 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:40,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 02:22:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17177 states. [2022-07-20 02:22:40,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17177 to 17015. [2022-07-20 02:22:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17015 states, 11856 states have (on average 1.2777496626180838) internal successors, (15149), 12215 states have internal predecessors, (15149), 4236 states have call successors, (4236), 933 states have call predecessors, (4236), 920 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-20 02:22:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17015 states to 17015 states and 23641 transitions. [2022-07-20 02:22:40,775 INFO L78 Accepts]: Start accepts. Automaton has 17015 states and 23641 transitions. Word has length 193 [2022-07-20 02:22:40,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:40,775 INFO L495 AbstractCegarLoop]: Abstraction has 17015 states and 23641 transitions. [2022-07-20 02:22:40,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:40,776 INFO L276 IsEmpty]: Start isEmpty. Operand 17015 states and 23641 transitions. [2022-07-20 02:22:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-20 02:22:40,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:40,783 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:40,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 02:22:40,784 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 02:22:40,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:40,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1450199562, now seen corresponding path program 1 times [2022-07-20 02:22:40,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:40,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132108004] [2022-07-20 02:22:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:40,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:22:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 02:22:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:22:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:22:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 02:22:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:22:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-20 02:22:41,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:41,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132108004] [2022-07-20 02:22:41,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132108004] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:41,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:41,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:22:41,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365643779] [2022-07-20 02:22:41,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:41,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:22:41,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:41,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:22:41,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:22:41,060 INFO L87 Difference]: Start difference. First operand 17015 states and 23641 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:22:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:46,627 INFO L93 Difference]: Finished difference Result 34306 states and 47724 transitions. [2022-07-20 02:22:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:22:46,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 210 [2022-07-20 02:22:46,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:46,711 INFO L225 Difference]: With dead ends: 34306 [2022-07-20 02:22:46,711 INFO L226 Difference]: Without dead ends: 22848 [2022-07-20 02:22:46,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 02:22:46,768 INFO L413 NwaCegarLoop]: 4116 mSDtfsCounter, 2893 mSDsluCounter, 3254 mSDsCounter, 0 mSdLazyCounter, 4003 mSolverCounterSat, 1917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3206 SdHoareTripleChecker+Valid, 7370 SdHoareTripleChecker+Invalid, 5920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1917 IncrementalHoareTripleChecker+Valid, 4003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:46,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3206 Valid, 7370 Invalid, 5920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1917 Valid, 4003 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-20 02:22:46,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22848 states. [2022-07-20 02:22:47,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22848 to 22597. [2022-07-20 02:22:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22597 states, 15753 states have (on average 1.2778518377451913) internal successors, (20130), 16227 states have internal predecessors, (20130), 5617 states have call successors, (5617), 1241 states have call predecessors, (5617), 1224 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-20 02:22:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22597 states to 22597 states and 31392 transitions. [2022-07-20 02:22:47,862 INFO L78 Accepts]: Start accepts. Automaton has 22597 states and 31392 transitions. Word has length 210 [2022-07-20 02:22:47,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:47,862 INFO L495 AbstractCegarLoop]: Abstraction has 22597 states and 31392 transitions. [2022-07-20 02:22:47,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:22:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 22597 states and 31392 transitions. [2022-07-20 02:22:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-07-20 02:22:47,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:47,871 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:47,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 02:22:47,871 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 02:22:47,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:47,872 INFO L85 PathProgramCache]: Analyzing trace with hash 411546776, now seen corresponding path program 1 times [2022-07-20 02:22:47,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:47,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454785590] [2022-07-20 02:22:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:22:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:22:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:22:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-07-20 02:22:48,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:48,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454785590] [2022-07-20 02:22:48,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454785590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:48,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:48,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:22:48,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392721569] [2022-07-20 02:22:48,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:48,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:22:48,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:48,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:22:48,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:22:48,209 INFO L87 Difference]: Start difference. First operand 22597 states and 31392 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:50,733 INFO L93 Difference]: Finished difference Result 22819 states and 31766 transitions. [2022-07-20 02:22:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:22:50,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 198 [2022-07-20 02:22:50,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:50,800 INFO L225 Difference]: With dead ends: 22819 [2022-07-20 02:22:50,800 INFO L226 Difference]: Without dead ends: 22817 [2022-07-20 02:22:50,808 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 02:22:50,809 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:50,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [728 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 02:22:50,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22817 states. [2022-07-20 02:22:51,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22817 to 22601. [2022-07-20 02:22:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22601 states, 15756 states have (on average 1.277798933739528) internal successors, (20133), 16230 states have internal predecessors, (20133), 5617 states have call successors, (5617), 1242 states have call predecessors, (5617), 1225 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-20 02:22:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22601 states to 22601 states and 31395 transitions. [2022-07-20 02:22:51,672 INFO L78 Accepts]: Start accepts. Automaton has 22601 states and 31395 transitions. Word has length 198 [2022-07-20 02:22:51,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:51,673 INFO L495 AbstractCegarLoop]: Abstraction has 22601 states and 31395 transitions. [2022-07-20 02:22:51,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 22601 states and 31395 transitions. [2022-07-20 02:22:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-20 02:22:51,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:51,682 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:51,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 02:22:51,682 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 02:22:51,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:51,683 INFO L85 PathProgramCache]: Analyzing trace with hash 204393805, now seen corresponding path program 1 times [2022-07-20 02:22:51,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:51,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819194524] [2022-07-20 02:22:51,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:51,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:22:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:22:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:22:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 02:22:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-07-20 02:22:52,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:52,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819194524] [2022-07-20 02:22:52,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819194524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:52,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:52,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:22:52,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657893981] [2022-07-20 02:22:52,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:52,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:22:52,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:52,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:22:52,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:22:52,053 INFO L87 Difference]: Start difference. First operand 22601 states and 31395 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:54,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:54,566 INFO L93 Difference]: Finished difference Result 22823 states and 31769 transitions. [2022-07-20 02:22:54,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:22:54,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 203 [2022-07-20 02:22:54,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:54,632 INFO L225 Difference]: With dead ends: 22823 [2022-07-20 02:22:54,632 INFO L226 Difference]: Without dead ends: 22821 [2022-07-20 02:22:54,641 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 02:22:54,642 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 727 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 727 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:54,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [727 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 02:22:54,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22821 states. [2022-07-20 02:22:55,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22821 to 22605. [2022-07-20 02:22:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22605 states, 15759 states have (on average 1.2777460498762612) internal successors, (20136), 16233 states have internal predecessors, (20136), 5617 states have call successors, (5617), 1243 states have call predecessors, (5617), 1226 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-20 02:22:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22605 states to 22605 states and 31398 transitions. [2022-07-20 02:22:55,402 INFO L78 Accepts]: Start accepts. Automaton has 22605 states and 31398 transitions. Word has length 203 [2022-07-20 02:22:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:55,402 INFO L495 AbstractCegarLoop]: Abstraction has 22605 states and 31398 transitions. [2022-07-20 02:22:55,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 22605 states and 31398 transitions. [2022-07-20 02:22:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-20 02:22:55,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:55,412 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:55,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 02:22:55,413 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 02:22:55,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:55,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1915811192, now seen corresponding path program 1 times [2022-07-20 02:22:55,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:55,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149596304] [2022-07-20 02:22:55,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:55,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:22:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:22:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:22:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 02:22:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:22:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,703 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-20 02:22:55,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:55,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149596304] [2022-07-20 02:22:55,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149596304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:55,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:55,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:22:55,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112990430] [2022-07-20 02:22:55,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:55,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:22:55,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:55,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:22:55,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:22:55,706 INFO L87 Difference]: Start difference. First operand 22605 states and 31398 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:58,410 INFO L93 Difference]: Finished difference Result 22827 states and 31772 transitions. [2022-07-20 02:22:58,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:22:58,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 208 [2022-07-20 02:22:58,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:58,468 INFO L225 Difference]: With dead ends: 22827 [2022-07-20 02:22:58,469 INFO L226 Difference]: Without dead ends: 22825 [2022-07-20 02:22:58,478 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 02:22:58,478 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:58,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 02:22:58,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22825 states. [2022-07-20 02:22:59,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22825 to 22609. [2022-07-20 02:22:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22609 states, 15762 states have (on average 1.2776931861438903) internal successors, (20139), 16236 states have internal predecessors, (20139), 5617 states have call successors, (5617), 1244 states have call predecessors, (5617), 1227 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-20 02:22:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22609 states to 22609 states and 31401 transitions. [2022-07-20 02:22:59,221 INFO L78 Accepts]: Start accepts. Automaton has 22609 states and 31401 transitions. Word has length 208 [2022-07-20 02:22:59,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:59,221 INFO L495 AbstractCegarLoop]: Abstraction has 22609 states and 31401 transitions. [2022-07-20 02:22:59,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:22:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 22609 states and 31401 transitions. [2022-07-20 02:22:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-20 02:22:59,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:59,231 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:59,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 02:22:59,231 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 02:22:59,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:59,232 INFO L85 PathProgramCache]: Analyzing trace with hash 147146733, now seen corresponding path program 1 times [2022-07-20 02:22:59,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:59,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84286991] [2022-07-20 02:22:59,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:59,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:22:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:22:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:22:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:22:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:22:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:22:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:22:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:22:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:22:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:22:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 02:22:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:22:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:22:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-07-20 02:22:59,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:59,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84286991] [2022-07-20 02:22:59,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84286991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:59,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:59,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:22:59,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365802242] [2022-07-20 02:22:59,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:59,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:22:59,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:59,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:22:59,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:22:59,538 INFO L87 Difference]: Start difference. First operand 22609 states and 31401 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 02:23:02,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:02,015 INFO L93 Difference]: Finished difference Result 23353 states and 32344 transitions. [2022-07-20 02:23:02,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:23:02,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 213 [2022-07-20 02:23:02,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:02,086 INFO L225 Difference]: With dead ends: 23353 [2022-07-20 02:23:02,086 INFO L226 Difference]: Without dead ends: 23351 [2022-07-20 02:23:02,100 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 02:23:02,101 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2291 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2586 SdHoareTripleChecker+Valid, 6313 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:02,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2586 Valid, 6313 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 02:23:02,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23351 states. [2022-07-20 02:23:02,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23351 to 23133. [2022-07-20 02:23:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23133 states, 16113 states have (on average 1.2743747284801092) internal successors, (20534), 16603 states have internal predecessors, (20534), 5705 states have call successors, (5705), 1329 states have call predecessors, (5705), 1312 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-20 02:23:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23133 states to 23133 states and 31972 transitions. [2022-07-20 02:23:03,179 INFO L78 Accepts]: Start accepts. Automaton has 23133 states and 31972 transitions. Word has length 213 [2022-07-20 02:23:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:03,179 INFO L495 AbstractCegarLoop]: Abstraction has 23133 states and 31972 transitions. [2022-07-20 02:23:03,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 02:23:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 23133 states and 31972 transitions. [2022-07-20 02:23:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-20 02:23:03,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:03,190 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:03,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 02:23:03,190 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 02:23:03,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:03,191 INFO L85 PathProgramCache]: Analyzing trace with hash 601378392, now seen corresponding path program 1 times [2022-07-20 02:23:03,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:03,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116975689] [2022-07-20 02:23:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:03,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:23:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:23:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:23:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:23:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:23:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:23:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:23:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 02:23:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:23:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:23:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 02:23:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-07-20 02:23:03,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:03,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116975689] [2022-07-20 02:23:03,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116975689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:03,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:03,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:23:03,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955465477] [2022-07-20 02:23:03,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:03,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:23:03,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:03,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:23:03,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:23:03,491 INFO L87 Difference]: Start difference. First operand 23133 states and 31972 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:23:05,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:05,923 INFO L93 Difference]: Finished difference Result 23355 states and 32346 transitions. [2022-07-20 02:23:05,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:23:05,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-07-20 02:23:05,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:06,001 INFO L225 Difference]: With dead ends: 23355 [2022-07-20 02:23:06,001 INFO L226 Difference]: Without dead ends: 23353 [2022-07-20 02:23:06,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 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 02:23:06,014 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:06,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-20 02:23:06,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23353 states. [2022-07-20 02:23:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23353 to 23137. [2022-07-20 02:23:06,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23137 states, 16116 states have (on average 1.2743236535120377) internal successors, (20537), 16606 states have internal predecessors, (20537), 5705 states have call successors, (5705), 1330 states have call predecessors, (5705), 1313 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-20 02:23:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23137 states to 23137 states and 31975 transitions. [2022-07-20 02:23:06,756 INFO L78 Accepts]: Start accepts. Automaton has 23137 states and 31975 transitions. Word has length 218 [2022-07-20 02:23:06,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:06,757 INFO L495 AbstractCegarLoop]: Abstraction has 23137 states and 31975 transitions. [2022-07-20 02:23:06,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:23:06,757 INFO L276 IsEmpty]: Start isEmpty. Operand 23137 states and 31975 transitions. [2022-07-20 02:23:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-20 02:23:06,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:06,768 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:06,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 02:23:06,769 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 02:23:06,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:06,769 INFO L85 PathProgramCache]: Analyzing trace with hash -261313907, now seen corresponding path program 1 times [2022-07-20 02:23:06,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:06,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603395690] [2022-07-20 02:23:06,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:06,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:23:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:23:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:23:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:23:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:23:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:23:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:23:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 02:23:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:23:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:23:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 02:23:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-07-20 02:23:07,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:07,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603395690] [2022-07-20 02:23:07,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603395690] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:07,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:07,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:23:07,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758569695] [2022-07-20 02:23:07,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:07,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:23:07,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:07,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:23:07,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:23:07,209 INFO L87 Difference]: Start difference. First operand 23137 states and 31975 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:23:09,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:09,840 INFO L93 Difference]: Finished difference Result 23465 states and 32422 transitions. [2022-07-20 02:23:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:23:09,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 223 [2022-07-20 02:23:09,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:09,916 INFO L225 Difference]: With dead ends: 23465 [2022-07-20 02:23:09,916 INFO L226 Difference]: Without dead ends: 23463 [2022-07-20 02:23:09,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 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 02:23:09,928 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 2264 mSDsluCounter, 4045 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 6309 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:09,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2553 Valid, 6309 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 02:23:09,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23463 states. [2022-07-20 02:23:10,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23463 to 23245. [2022-07-20 02:23:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23245 states, 16191 states have (on average 1.2730529306404792) internal successors, (20612), 16681 states have internal predecessors, (20612), 5705 states have call successors, (5705), 1363 states have call predecessors, (5705), 1346 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-20 02:23:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23245 states to 23245 states and 32050 transitions. [2022-07-20 02:23:10,773 INFO L78 Accepts]: Start accepts. Automaton has 23245 states and 32050 transitions. Word has length 223 [2022-07-20 02:23:10,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:10,774 INFO L495 AbstractCegarLoop]: Abstraction has 23245 states and 32050 transitions. [2022-07-20 02:23:10,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:23:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 23245 states and 32050 transitions. [2022-07-20 02:23:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-20 02:23:10,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:10,785 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:10,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 02:23:10,785 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 02:23:10,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:10,786 INFO L85 PathProgramCache]: Analyzing trace with hash 952090424, now seen corresponding path program 1 times [2022-07-20 02:23:10,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:10,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331914853] [2022-07-20 02:23:10,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:10,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:10,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:23:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:23:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:23:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:23:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:23:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:23:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:23:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 02:23:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:23:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:23:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 02:23:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:23:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2022-07-20 02:23:11,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:11,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331914853] [2022-07-20 02:23:11,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331914853] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:11,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:11,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:23:11,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442875890] [2022-07-20 02:23:11,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:11,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:23:11,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:11,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:23:11,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:23:11,126 INFO L87 Difference]: Start difference. First operand 23245 states and 32050 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:23:13,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:13,518 INFO L93 Difference]: Finished difference Result 23467 states and 32424 transitions. [2022-07-20 02:23:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:23:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 228 [2022-07-20 02:23:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:13,606 INFO L225 Difference]: With dead ends: 23467 [2022-07-20 02:23:13,606 INFO L226 Difference]: Without dead ends: 23465 [2022-07-20 02:23:13,622 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 02:23:13,623 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:13,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-20 02:23:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23465 states. [2022-07-20 02:23:14,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23465 to 23249. [2022-07-20 02:23:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23249 states, 16194 states have (on average 1.2730023465481042) internal successors, (20615), 16684 states have internal predecessors, (20615), 5705 states have call successors, (5705), 1364 states have call predecessors, (5705), 1347 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-20 02:23:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23249 states to 23249 states and 32053 transitions. [2022-07-20 02:23:14,431 INFO L78 Accepts]: Start accepts. Automaton has 23249 states and 32053 transitions. Word has length 228 [2022-07-20 02:23:14,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:14,431 INFO L495 AbstractCegarLoop]: Abstraction has 23249 states and 32053 transitions. [2022-07-20 02:23:14,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:23:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 23249 states and 32053 transitions. [2022-07-20 02:23:14,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-20 02:23:14,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:14,443 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 02:23:14,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 02:23:14,443 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 02:23:14,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:14,444 INFO L85 PathProgramCache]: Analyzing trace with hash -659609587, now seen corresponding path program 1 times [2022-07-20 02:23:14,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:14,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568270407] [2022-07-20 02:23:14,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:14,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:23:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:23:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:23:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:23:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:23:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:23:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 02:23:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 02:23:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:23:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 02:23:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 02:23:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:23:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 02:23:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:23:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 02:23:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:23:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 02:23:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 02:23:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:23:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-07-20 02:23:14,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:14,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568270407] [2022-07-20 02:23:14,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568270407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:14,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:14,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:23:14,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368363206] [2022-07-20 02:23:14,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:14,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:23:14,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:14,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:23:14,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:23:14,863 INFO L87 Difference]: Start difference. First operand 23249 states and 32053 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 02:23:19,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:19,260 INFO L93 Difference]: Finished difference Result 23471 states and 32427 transitions. [2022-07-20 02:23:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 02:23:19,261 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 269 [2022-07-20 02:23:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:19,338 INFO L225 Difference]: With dead ends: 23471 [2022-07-20 02:23:19,338 INFO L226 Difference]: Without dead ends: 23469 [2022-07-20 02:23:19,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-20 02:23:19,356 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 2934 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 4260 mSolverCounterSat, 1680 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 5940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1680 IncrementalHoareTripleChecker+Valid, 4260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:19,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 5130 Invalid, 5940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1680 Valid, 4260 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 02:23:19,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23469 states. [2022-07-20 02:23:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23469 to 23253. [2022-07-20 02:23:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23253 states, 16197 states have (on average 1.2729517811940483) internal successors, (20618), 16687 states have internal predecessors, (20618), 5705 states have call successors, (5705), 1365 states have call predecessors, (5705), 1348 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-20 02:23:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23253 states to 23253 states and 32056 transitions. [2022-07-20 02:23:20,311 INFO L78 Accepts]: Start accepts. Automaton has 23253 states and 32056 transitions. Word has length 269 [2022-07-20 02:23:20,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:20,312 INFO L495 AbstractCegarLoop]: Abstraction has 23253 states and 32056 transitions. [2022-07-20 02:23:20,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 02:23:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 23253 states and 32056 transitions. [2022-07-20 02:23:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-20 02:23:20,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:20,322 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 02:23:20,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 02:23:20,322 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 02:23:20,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:20,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1378476344, now seen corresponding path program 1 times [2022-07-20 02:23:20,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:20,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777902217] [2022-07-20 02:23:20,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:23:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:23:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:23:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:23:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:23:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:23:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 02:23:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 02:23:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:23:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 02:23:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 02:23:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:23:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 02:23:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:23:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 02:23:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:23:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 02:23:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 02:23:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:23:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 02:23:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2022-07-20 02:23:20,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:20,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777902217] [2022-07-20 02:23:20,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777902217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:20,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:20,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:23:20,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074024259] [2022-07-20 02:23:20,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:20,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:23:20,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:20,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:23:20,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:23:20,757 INFO L87 Difference]: Start difference. First operand 23253 states and 32056 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-20 02:23:25,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:25,684 INFO L93 Difference]: Finished difference Result 23475 states and 32430 transitions. [2022-07-20 02:23:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 02:23:25,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 274 [2022-07-20 02:23:25,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:25,754 INFO L225 Difference]: With dead ends: 23475 [2022-07-20 02:23:25,754 INFO L226 Difference]: Without dead ends: 23471 [2022-07-20 02:23:25,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-20 02:23:25,766 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 2934 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 4260 mSolverCounterSat, 1679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 5939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 4260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:25,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 5130 Invalid, 5939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 4260 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 02:23:25,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23471 states. [2022-07-20 02:23:26,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23471 to 23255. [2022-07-20 02:23:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23255 states, 16199 states have (on average 1.2728563491573555) internal successors, (20619), 16688 states have internal predecessors, (20619), 5705 states have call successors, (5705), 1366 states have call predecessors, (5705), 1348 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-20 02:23:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23255 states to 23255 states and 32057 transitions. [2022-07-20 02:23:26,751 INFO L78 Accepts]: Start accepts. Automaton has 23255 states and 32057 transitions. Word has length 274 [2022-07-20 02:23:26,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:26,752 INFO L495 AbstractCegarLoop]: Abstraction has 23255 states and 32057 transitions. [2022-07-20 02:23:26,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-20 02:23:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 23255 states and 32057 transitions. [2022-07-20 02:23:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-20 02:23:26,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:26,761 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:26,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 02:23:26,761 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 02:23:26,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:26,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1399203789, now seen corresponding path program 1 times [2022-07-20 02:23:26,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:26,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967684516] [2022-07-20 02:23:26,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:26,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 02:23:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 02:23:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:23:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 02:23:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:23:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 02:23:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 02:23:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 02:23:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:23:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:23:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 02:23:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:23:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 02:23:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 02:23:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:23:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 772 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-07-20 02:23:27,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:27,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967684516] [2022-07-20 02:23:27,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967684516] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:27,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:27,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:23:27,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544814499] [2022-07-20 02:23:27,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:27,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:23:27,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:27,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:23:27,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:23:27,056 INFO L87 Difference]: Start difference. First operand 23255 states and 32057 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:23:29,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:29,669 INFO L93 Difference]: Finished difference Result 23471 states and 32426 transitions. [2022-07-20 02:23:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:23:29,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 243 [2022-07-20 02:23:29,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:29,730 INFO L225 Difference]: With dead ends: 23471 [2022-07-20 02:23:29,730 INFO L226 Difference]: Without dead ends: 23311 [2022-07-20 02:23:29,740 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 02:23:29,741 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2278 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 2949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:29,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 6275 Invalid, 2949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-20 02:23:29,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23311 states. [2022-07-20 02:23:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23311 to 23095. [2022-07-20 02:23:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23095 states, 16096 states have (on average 1.2736083499005963) internal successors, (20500), 16573 states have internal predecessors, (20500), 5665 states have call successors, (5665), 1348 states have call predecessors, (5665), 1332 states have return successors, (5697), 5533 states have call predecessors, (5697), 5665 states have call successors, (5697) [2022-07-20 02:23:30,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23095 states to 23095 states and 31862 transitions. [2022-07-20 02:23:30,762 INFO L78 Accepts]: Start accepts. Automaton has 23095 states and 31862 transitions. Word has length 243 [2022-07-20 02:23:30,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:30,762 INFO L495 AbstractCegarLoop]: Abstraction has 23095 states and 31862 transitions. [2022-07-20 02:23:30,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 02:23:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 23095 states and 31862 transitions. [2022-07-20 02:23:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-20 02:23:30,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:30,772 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:30,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 02:23:30,773 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 02:23:30,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:30,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1179250178, now seen corresponding path program 1 times [2022-07-20 02:23:30,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:30,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127521541] [2022-07-20 02:23:30,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:30,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:23:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:23:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 02:23:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 02:23:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 02:23:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 02:23:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:23:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:23:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 02:23:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 02:23:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:23:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:23:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 02:23:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 02:23:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-07-20 02:23:31,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:31,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127521541] [2022-07-20 02:23:31,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127521541] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:31,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:31,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:23:31,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349914072] [2022-07-20 02:23:31,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:31,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:23:31,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:31,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:23:31,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:31,169 INFO L87 Difference]: Start difference. First operand 23095 states and 31862 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:23:36,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:36,866 INFO L93 Difference]: Finished difference Result 49130 states and 67756 transitions. [2022-07-20 02:23:36,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:23:36,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 246 [2022-07-20 02:23:36,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:37,159 INFO L225 Difference]: With dead ends: 49130 [2022-07-20 02:23:37,159 INFO L226 Difference]: Without dead ends: 25877 [2022-07-20 02:23:37,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:23:37,207 INFO L413 NwaCegarLoop]: 3057 mSDtfsCounter, 1596 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 6577 SdHoareTripleChecker+Invalid, 3690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:37,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 6577 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 2972 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-20 02:23:37,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25877 states. [2022-07-20 02:23:38,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25877 to 25026. [2022-07-20 02:23:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25026 states, 17632 states have (on average 1.2657100725952812) internal successors, (22317), 18114 states have internal predecessors, (22317), 5840 states have call successors, (5840), 1564 states have call predecessors, (5840), 1552 states have return successors, (5864), 5731 states have call predecessors, (5864), 5840 states have call successors, (5864) [2022-07-20 02:23:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25026 states to 25026 states and 34021 transitions. [2022-07-20 02:23:38,360 INFO L78 Accepts]: Start accepts. Automaton has 25026 states and 34021 transitions. Word has length 246 [2022-07-20 02:23:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:38,361 INFO L495 AbstractCegarLoop]: Abstraction has 25026 states and 34021 transitions. [2022-07-20 02:23:38,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:23:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 25026 states and 34021 transitions. [2022-07-20 02:23:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-20 02:23:38,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:38,373 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:38,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 02:23:38,373 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 02:23:38,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:38,373 INFO L85 PathProgramCache]: Analyzing trace with hash -746072369, now seen corresponding path program 1 times [2022-07-20 02:23:38,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:38,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128032973] [2022-07-20 02:23:38,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:38,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 02:23:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 02:23:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 02:23:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:23:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:23:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 02:23:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 02:23:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 02:23:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 02:23:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:23:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:23:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 02:23:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 02:23:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 02:23:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 02:23:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 02:23:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 02:23:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-07-20 02:23:38,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:38,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128032973] [2022-07-20 02:23:38,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128032973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:38,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:38,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:23:38,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563763557] [2022-07-20 02:23:38,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:38,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:23:38,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:38,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:23:38,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:38,711 INFO L87 Difference]: Start difference. First operand 25026 states and 34021 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-20 02:23:43,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:43,126 INFO L93 Difference]: Finished difference Result 58791 states and 80149 transitions. [2022-07-20 02:23:43,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:23:43,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 310 [2022-07-20 02:23:43,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:43,233 INFO L225 Difference]: With dead ends: 58791 [2022-07-20 02:23:43,233 INFO L226 Difference]: Without dead ends: 33943 [2022-07-20 02:23:43,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:23:43,297 INFO L413 NwaCegarLoop]: 3427 mSDtfsCounter, 1937 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 1207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 6382 SdHoareTripleChecker+Invalid, 3059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1207 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:43,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 6382 Invalid, 3059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1207 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 02:23:43,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33943 states. [2022-07-20 02:23:44,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33943 to 32747. [2022-07-20 02:23:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32747 states, 23178 states have (on average 1.2617999827422557) internal successors, (29246), 23784 states have internal predecessors, (29246), 7454 states have call successors, (7454), 2125 states have call predecessors, (7454), 2113 states have return successors, (7478), 7335 states have call predecessors, (7478), 7454 states have call successors, (7478) [2022-07-20 02:23:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32747 states to 32747 states and 44178 transitions. [2022-07-20 02:23:44,900 INFO L78 Accepts]: Start accepts. Automaton has 32747 states and 44178 transitions. Word has length 310 [2022-07-20 02:23:44,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:44,900 INFO L495 AbstractCegarLoop]: Abstraction has 32747 states and 44178 transitions. [2022-07-20 02:23:44,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-20 02:23:44,901 INFO L276 IsEmpty]: Start isEmpty. Operand 32747 states and 44178 transitions. [2022-07-20 02:23:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-20 02:23:44,916 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:44,916 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:44,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 02:23:44,917 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 02:23:44,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:44,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1440619235, now seen corresponding path program 1 times [2022-07-20 02:23:44,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:44,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361809546] [2022-07-20 02:23:44,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:44,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 02:23:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 02:23:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 02:23:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 02:23:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:23:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:23:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 02:23:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:23:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 02:23:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 02:23:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 02:23:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 02:23:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:23:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:23:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 02:23:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 02:23:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 02:23:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 02:23:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 02:23:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-20 02:23:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-07-20 02:23:45,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:45,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361809546] [2022-07-20 02:23:45,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361809546] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:45,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:45,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:23:45,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284921072] [2022-07-20 02:23:45,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:45,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:23:45,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:45,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:23:45,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:45,393 INFO L87 Difference]: Start difference. First operand 32747 states and 44178 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-20 02:23:51,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:51,918 INFO L93 Difference]: Finished difference Result 74461 states and 100815 transitions. [2022-07-20 02:23:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:23:51,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 384 [2022-07-20 02:23:51,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:52,169 INFO L225 Difference]: With dead ends: 74461 [2022-07-20 02:23:52,170 INFO L226 Difference]: Without dead ends: 41719 [2022-07-20 02:23:52,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:23:52,238 INFO L413 NwaCegarLoop]: 3440 mSDtfsCounter, 1529 mSDsluCounter, 3950 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 7390 SdHoareTripleChecker+Invalid, 3694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:52,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 7390 Invalid, 3694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 3047 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-20 02:23:52,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41719 states. [2022-07-20 02:23:54,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41719 to 40194. [2022-07-20 02:23:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40194 states, 28527 states have (on average 1.2598240263609914) internal successors, (35939), 29256 states have internal predecessors, (35939), 9009 states have call successors, (9009), 2668 states have call predecessors, (9009), 2656 states have return successors, (9033), 8880 states have call predecessors, (9033), 9009 states have call successors, (9033) [2022-07-20 02:23:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40194 states to 40194 states and 53981 transitions. [2022-07-20 02:23:54,187 INFO L78 Accepts]: Start accepts. Automaton has 40194 states and 53981 transitions. Word has length 384 [2022-07-20 02:23:54,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:54,188 INFO L495 AbstractCegarLoop]: Abstraction has 40194 states and 53981 transitions. [2022-07-20 02:23:54,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-20 02:23:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 40194 states and 53981 transitions. [2022-07-20 02:23:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-20 02:23:54,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:54,205 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:54,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-20 02:23:54,205 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 02:23:54,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:54,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1778906785, now seen corresponding path program 1 times [2022-07-20 02:23:54,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:54,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072811918] [2022-07-20 02:23:54,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:54,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:23:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:23:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:23:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:23:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 02:23:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 02:23:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 02:23:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 02:23:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:23:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:23:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 02:23:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:23:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 02:23:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 02:23:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 02:23:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 02:23:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:23:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:23:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 02:23:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 02:23:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 02:23:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 02:23:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 02:23:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-20 02:23:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-07-20 02:23:54,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:54,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072811918] [2022-07-20 02:23:54,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072811918] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:54,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:54,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:23:54,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403719841] [2022-07-20 02:23:54,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:54,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:23:54,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:23:54,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:54,817 INFO L87 Difference]: Start difference. First operand 40194 states and 53981 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-20 02:24:01,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:24:01,922 INFO L93 Difference]: Finished difference Result 92531 states and 124889 transitions. [2022-07-20 02:24:01,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:24:01,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 384 [2022-07-20 02:24:01,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:24:02,093 INFO L225 Difference]: With dead ends: 92531 [2022-07-20 02:24:02,093 INFO L226 Difference]: Without dead ends: 52515 [2022-07-20 02:24:02,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:24:02,168 INFO L413 NwaCegarLoop]: 3696 mSDtfsCounter, 2021 mSDsluCounter, 3888 mSDsCounter, 0 mSdLazyCounter, 3096 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 7584 SdHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 3096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:24:02,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 7584 Invalid, 3787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 3096 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-20 02:24:02,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52515 states. [2022-07-20 02:24:04,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52515 to 50540. [2022-07-20 02:24:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50540 states, 35840 states have (on average 1.2572823660714285) internal successors, (45061), 36738 states have internal predecessors, (45061), 11319 states have call successors, (11319), 3391 states have call predecessors, (11319), 3379 states have return successors, (11343), 11174 states have call predecessors, (11343), 11319 states have call successors, (11343) [2022-07-20 02:24:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50540 states to 50540 states and 67723 transitions. [2022-07-20 02:24:04,796 INFO L78 Accepts]: Start accepts. Automaton has 50540 states and 67723 transitions. Word has length 384 [2022-07-20 02:24:04,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:24:04,796 INFO L495 AbstractCegarLoop]: Abstraction has 50540 states and 67723 transitions. [2022-07-20 02:24:04,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-20 02:24:04,797 INFO L276 IsEmpty]: Start isEmpty. Operand 50540 states and 67723 transitions. [2022-07-20 02:24:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-07-20 02:24:04,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:24:04,812 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:24:04,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-20 02:24:04,813 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 02:24:04,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:24:04,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1310019458, now seen corresponding path program 1 times [2022-07-20 02:24:04,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:24:04,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882165250] [2022-07-20 02:24:04,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:24:04,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:24:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:24:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:24:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:24:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:24:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:24:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:24:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:24:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:24:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:24:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:24:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 02:24:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:24:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:24:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 02:24:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-20 02:24:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 02:24:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:24:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 02:24:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:24:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:24:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:24:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:24:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:24:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:24:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:24:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 02:24:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:24:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-20 02:24:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 02:24:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-20 02:24:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:24:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:24:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:24:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 02:24:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 02:24:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-20 02:24:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 02:24:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 02:24:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:24:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:24:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 02:24:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-20 02:24:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-20 02:24:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 02:24:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-20 02:24:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 02:24:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2022-07-20 02:24:05,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:24:05,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882165250] [2022-07-20 02:24:05,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882165250] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:24:05,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:24:05,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:24:05,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265220527] [2022-07-20 02:24:05,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:24:05,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:24:05,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:24:05,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:24:05,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:24:05,273 INFO L87 Difference]: Start difference. First operand 50540 states and 67723 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-20 02:24:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:24:10,993 INFO L93 Difference]: Finished difference Result 110805 states and 149154 transitions. [2022-07-20 02:24:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:24:10,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 439 [2022-07-20 02:24:10,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:24:11,179 INFO L225 Difference]: With dead ends: 110805 [2022-07-20 02:24:11,179 INFO L226 Difference]: Without dead ends: 60443 [2022-07-20 02:24:11,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:24:11,277 INFO L413 NwaCegarLoop]: 3187 mSDtfsCounter, 1988 mSDsluCounter, 2816 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 1296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 6003 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1296 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:24:11,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2237 Valid, 6003 Invalid, 3131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1296 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 02:24:11,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60443 states.