./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-smsc911x.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-smsc911x.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 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:22:26,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:22:26,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:22:26,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:22:26,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:22:26,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:22:26,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:22:26,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:22:26,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:22:26,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:22:26,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:22:26,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:22:26,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:22:26,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:22:26,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:22:26,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:22:26,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:22:26,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:22:26,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:22:26,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:22:26,935 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:22:26,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:22:26,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:22:26,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:22:26,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:22:26,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:22:26,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:22:26,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:22:26,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:22:26,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:22:26,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:22:26,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:22:26,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:22:26,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:22:26,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:22:26,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:22:26,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:22:26,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:22:26,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:22:26,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:22:26,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:22:26,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:22:26,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:22:26,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:22:26,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:22:26,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:22:26,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:22:26,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:22:26,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:22:26,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:22:26,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:22:26,978 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:22:26,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:22:26,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:22:26,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:22:26,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:22:26,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:22:26,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:22:26,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:22:26,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:22:26,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:22:26,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:22:26,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:22:26,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:22:26,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:22:26,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:22:26,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:22:26,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:22:26,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:22:26,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:22:26,983 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:22:26,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:22:26,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:22:26,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 [2022-07-20 02:22:27,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:22:27,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:22:27,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:22:27,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:22:27,221 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:22:27,222 INFO L432 ainManager$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-smsc911x.cil.i [2022-07-20 02:22:27,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517c28323/bd71b4830f7143f9a4f6fbc26baf3bc0/FLAGd5ea8b6cd [2022-07-20 02:22:27,860 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:22:27,860 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-smsc911x.cil.i [2022-07-20 02:22:27,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517c28323/bd71b4830f7143f9a4f6fbc26baf3bc0/FLAGd5ea8b6cd [2022-07-20 02:22:28,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/517c28323/bd71b4830f7143f9a4f6fbc26baf3bc0 [2022-07-20 02:22:28,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:22:28,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:22:28,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:22:28,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:22:28,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:22:28,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:22:28" (1/1) ... [2022-07-20 02:22:28,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0f66bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:28, skipping insertion in model container [2022-07-20 02:22:28,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:22:28" (1/1) ... [2022-07-20 02:22:28,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:22:28,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:22:31,206 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-smsc911x.cil.i[392538,392551] [2022-07-20 02:22:31,210 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-smsc911x.cil.i[392707,392720] [2022-07-20 02:22:31,211 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-smsc911x.cil.i[392874,392887] [2022-07-20 02:22:31,214 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-smsc911x.cil.i[393042,393055] [2022-07-20 02:22:31,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:22:31,275 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:22:31,559 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-smsc911x.cil.i[392538,392551] [2022-07-20 02:22:31,560 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-smsc911x.cil.i[392707,392720] [2022-07-20 02:22:31,560 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-smsc911x.cil.i[392874,392887] [2022-07-20 02:22:31,561 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-smsc911x.cil.i[393042,393055] [2022-07-20 02:22:31,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:22:31,751 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:22:31,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31 WrapperNode [2022-07-20 02:22:31,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:22:31,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:22:31,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:22:31,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:22:31,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:31,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,025 INFO L137 Inliner]: procedures = 549, calls = 2135, calls flagged for inlining = 287, calls inlined = 262, statements flattened = 6695 [2022-07-20 02:22:32,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:22:32,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:22:32,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:22:32,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:22:32,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:22:32,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:22:32,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:22:32,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:22:32,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (1/1) ... [2022-07-20 02:22:32,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:22:32,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:22:32,311 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 02:22:32,351 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 02:22:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:22:32,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:22:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_94 [2022-07-20 02:22:32,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_94 [2022-07-20 02:22:32,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:22:32,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:22:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 02:22:32,383 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 02:22:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_76 [2022-07-20 02:22:32,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_76 [2022-07-20 02:22:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:22:32,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:22:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:22:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:22:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-20 02:22:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-20 02:22:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2022-07-20 02:22:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2022-07-20 02:22:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2022-07-20 02:22:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2022-07-20 02:22:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:22:32,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:22:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2022-07-20 02:22:32,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2022-07-20 02:22:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2022-07-20 02:22:32,385 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2022-07-20 02:22:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-07-20 02:22:32,385 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-07-20 02:22:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:22:32,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:22:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:22:32,386 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:22:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:22:32,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:22:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:22:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:22:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:22:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:22:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 02:22:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 02:22:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2022-07-20 02:22:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2022-07-20 02:22:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2022-07-20 02:22:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2022-07-20 02:22:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-07-20 02:22:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-07-20 02:22:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-20 02:22:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-20 02:22:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:22:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:22:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:22:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2022-07-20 02:22:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2022-07-20 02:22:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2022-07-20 02:22:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2022-07-20 02:22:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:22:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:22:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2022-07-20 02:22:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2022-07-20 02:22:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-07-20 02:22:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-07-20 02:22:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:22:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 02:22:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 02:22:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:22:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:22:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2022-07-20 02:22:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2022-07-20 02:22:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:22:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:22:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:22:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2022-07-20 02:22:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2022-07-20 02:22:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:22:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:22:32,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:22:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:22:32,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:22:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2022-07-20 02:22:32,394 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2022-07-20 02:22:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2022-07-20 02:22:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2022-07-20 02:22:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2022-07-20 02:22:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2022-07-20 02:22:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:22:32,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:22:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2022-07-20 02:22:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2022-07-20 02:22:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:22:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:22:32,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:22:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:22:32,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:22:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 02:22:32,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 02:22:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 02:22:32,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 02:22:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:22:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 02:22:32,398 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 02:22:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:22:32,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:22:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:22:32,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:22:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:22:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:22:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:22:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 02:22:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 02:22:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2022-07-20 02:22:32,399 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2022-07-20 02:22:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2022-07-20 02:22:32,400 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2022-07-20 02:22:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-20 02:22:32,403 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-20 02:22:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 02:22:32,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 02:22:32,403 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:22:32,404 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:22:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:22:32,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:22:32,404 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2022-07-20 02:22:32,410 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2022-07-20 02:22:32,410 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 02:22:32,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 02:22:32,410 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-07-20 02:22:32,410 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-07-20 02:22:32,410 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:22:32,410 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:22:32,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-20 02:22:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-20 02:22:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:22:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2022-07-20 02:22:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2022-07-20 02:22:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-20 02:22:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2022-07-20 02:22:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:22:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2022-07-20 02:22:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2022-07-20 02:22:32,412 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2022-07-20 02:22:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_93 [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_93 [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2022-07-20 02:22:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2022-07-20 02:22:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:22:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2022-07-20 02:22:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2022-07-20 02:22:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2022-07-20 02:22:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2022-07-20 02:22:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2022-07-20 02:22:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:22:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2022-07-20 02:22:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2022-07-20 02:22:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:22:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:22:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2022-07-20 02:22:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2022-07-20 02:22:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-20 02:22:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2022-07-20 02:22:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2022-07-20 02:22:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:22:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2022-07-20 02:22:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-20 02:22:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:22:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-20 02:22:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-20 02:22:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:22:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:22:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 02:22:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 02:22:33,291 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:22:33,310 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:22:33,533 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:22:36,078 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:22:36,129 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:22:36,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:22:36,143 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-20 02:22:36,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:22:36 BoogieIcfgContainer [2022-07-20 02:22:36,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:22:36,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:22:36,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:22:36,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:22:36,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:22:28" (1/3) ... [2022-07-20 02:22:36,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391d2e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:22:36, skipping insertion in model container [2022-07-20 02:22:36,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:22:31" (2/3) ... [2022-07-20 02:22:36,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391d2e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:22:36, skipping insertion in model container [2022-07-20 02:22:36,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:22:36" (3/3) ... [2022-07-20 02:22:36,153 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-07-20 02:22:36,162 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:22:36,163 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:22:36,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:22:36,249 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@55631b9f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2cd587b9 [2022-07-20 02:22:36,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:22:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 2826 states, 1937 states have (on average 1.3371192565823438) internal successors, (2590), 1974 states have internal predecessors, (2590), 767 states have call successors, (767), 122 states have call predecessors, (767), 121 states have return successors, (758), 749 states have call predecessors, (758), 758 states have call successors, (758) [2022-07-20 02:22:36,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-20 02:22:36,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:36,280 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:36,281 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 02:22:36,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:36,285 INFO L85 PathProgramCache]: Analyzing trace with hash -735431508, now seen corresponding path program 1 times [2022-07-20 02:22:36,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:36,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575958647] [2022-07-20 02:22:36,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:36,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:22:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:22:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:22:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:22:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:22:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:22:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:22:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:22:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:22:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:22:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:22:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-20 02:22:37,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:37,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575958647] [2022-07-20 02:22:37,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575958647] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:37,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:37,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:37,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32153121] [2022-07-20 02:22:37,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:37,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:37,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:37,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:37,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:37,214 INFO L87 Difference]: Start difference. First operand has 2826 states, 1937 states have (on average 1.3371192565823438) internal successors, (2590), 1974 states have internal predecessors, (2590), 767 states have call successors, (767), 122 states have call predecessors, (767), 121 states have return successors, (758), 749 states have call predecessors, (758), 758 states have call successors, (758) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 02:22:42,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:42,495 INFO L93 Difference]: Finished difference Result 8606 states and 13240 transitions. [2022-07-20 02:22:42,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:22:42,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2022-07-20 02:22:42,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:42,562 INFO L225 Difference]: With dead ends: 8606 [2022-07-20 02:22:42,562 INFO L226 Difference]: Without dead ends: 5810 [2022-07-20 02:22:42,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:22:42,597 INFO L413 NwaCegarLoop]: 4207 mSDtfsCounter, 5033 mSDsluCounter, 4105 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 2372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5709 SdHoareTripleChecker+Valid, 8312 SdHoareTripleChecker+Invalid, 5458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2372 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:42,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5709 Valid, 8312 Invalid, 5458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2372 Valid, 3086 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 02:22:42,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5810 states. [2022-07-20 02:22:42,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5810 to 5474. [2022-07-20 02:22:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5474 states, 3773 states have (on average 1.2658362046117149) internal successors, (4776), 3846 states have internal predecessors, (4776), 1460 states have call successors, (1460), 239 states have call predecessors, (1460), 238 states have return successors, (1456), 1438 states have call predecessors, (1456), 1456 states have call successors, (1456) [2022-07-20 02:22:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5474 states to 5474 states and 7692 transitions. [2022-07-20 02:22:42,915 INFO L78 Accepts]: Start accepts. Automaton has 5474 states and 7692 transitions. Word has length 237 [2022-07-20 02:22:42,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:42,919 INFO L495 AbstractCegarLoop]: Abstraction has 5474 states and 7692 transitions. [2022-07-20 02:22:42,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 02:22:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5474 states and 7692 transitions. [2022-07-20 02:22:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-20 02:22:42,925 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:42,925 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:42,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:22:42,926 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 02:22:42,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:42,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1151070565, now seen corresponding path program 1 times [2022-07-20 02:22:42,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:42,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108108850] [2022-07-20 02:22:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:42,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:22:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:22:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:22:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:22:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:22:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:22:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:22:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:22:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:22:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:22:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 02:22:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-20 02:22:43,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:43,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108108850] [2022-07-20 02:22:43,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108108850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:43,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:43,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:43,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962565348] [2022-07-20 02:22:43,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:43,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:43,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:43,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:43,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:43,338 INFO L87 Difference]: Start difference. First operand 5474 states and 7692 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 02:22:48,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:48,108 INFO L93 Difference]: Finished difference Result 16874 states and 23987 transitions. [2022-07-20 02:22:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:22:48,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2022-07-20 02:22:48,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:48,179 INFO L225 Difference]: With dead ends: 16874 [2022-07-20 02:22:48,179 INFO L226 Difference]: Without dead ends: 11443 [2022-07-20 02:22:48,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:22:48,212 INFO L413 NwaCegarLoop]: 4587 mSDtfsCounter, 5003 mSDsluCounter, 4358 mSDsCounter, 0 mSdLazyCounter, 3046 mSolverCounterSat, 2323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5656 SdHoareTripleChecker+Valid, 8945 SdHoareTripleChecker+Invalid, 5369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2323 IncrementalHoareTripleChecker+Valid, 3046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:48,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5656 Valid, 8945 Invalid, 5369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2323 Valid, 3046 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 02:22:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11443 states. [2022-07-20 02:22:48,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11443 to 10961. [2022-07-20 02:22:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10961 states, 7572 states have (on average 1.2661119915478076) internal successors, (9587), 7728 states have internal predecessors, (9587), 2891 states have call successors, (2891), 476 states have call predecessors, (2891), 495 states have return successors, (3154), 2856 states have call predecessors, (3154), 2887 states have call successors, (3154) [2022-07-20 02:22:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10961 states to 10961 states and 15632 transitions. [2022-07-20 02:22:48,714 INFO L78 Accepts]: Start accepts. Automaton has 10961 states and 15632 transitions. Word has length 241 [2022-07-20 02:22:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:48,715 INFO L495 AbstractCegarLoop]: Abstraction has 10961 states and 15632 transitions. [2022-07-20 02:22:48,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 02:22:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 10961 states and 15632 transitions. [2022-07-20 02:22:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-20 02:22:48,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:48,720 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:48,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:22:48,721 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 02:22:48,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:48,721 INFO L85 PathProgramCache]: Analyzing trace with hash -145231961, now seen corresponding path program 1 times [2022-07-20 02:22:48,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:48,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307402451] [2022-07-20 02:22:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:48,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:22:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:22:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:22:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:22:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:22:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:22:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:22:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:22:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:22:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:22:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 02:22:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-20 02:22:49,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:49,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307402451] [2022-07-20 02:22:49,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307402451] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:49,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:49,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:49,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790844524] [2022-07-20 02:22:49,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:49,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:49,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:49,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:49,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:49,169 INFO L87 Difference]: Start difference. First operand 10961 states and 15632 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 02:22:53,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:53,841 INFO L93 Difference]: Finished difference Result 32339 states and 46034 transitions. [2022-07-20 02:22:53,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:22:53,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 248 [2022-07-20 02:22:53,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:53,963 INFO L225 Difference]: With dead ends: 32339 [2022-07-20 02:22:53,964 INFO L226 Difference]: Without dead ends: 21421 [2022-07-20 02:22:54,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:22:54,028 INFO L413 NwaCegarLoop]: 5003 mSDtfsCounter, 4403 mSDsluCounter, 4458 mSDsCounter, 0 mSdLazyCounter, 3161 mSolverCounterSat, 2078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5056 SdHoareTripleChecker+Valid, 9461 SdHoareTripleChecker+Invalid, 5239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2078 IncrementalHoareTripleChecker+Valid, 3161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:54,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5056 Valid, 9461 Invalid, 5239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2078 Valid, 3161 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-20 02:22:54,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21421 states. [2022-07-20 02:22:54,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21421 to 20615. [2022-07-20 02:22:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20615 states, 14184 states have (on average 1.2613508178228992) internal successors, (17891), 14486 states have internal predecessors, (17891), 5469 states have call successors, (5469), 928 states have call predecessors, (5469), 959 states have return successors, (5804), 5394 states have call predecessors, (5804), 5465 states have call successors, (5804) [2022-07-20 02:22:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20615 states to 20615 states and 29164 transitions. [2022-07-20 02:22:55,038 INFO L78 Accepts]: Start accepts. Automaton has 20615 states and 29164 transitions. Word has length 248 [2022-07-20 02:22:55,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:55,039 INFO L495 AbstractCegarLoop]: Abstraction has 20615 states and 29164 transitions. [2022-07-20 02:22:55,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 02:22:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 20615 states and 29164 transitions. [2022-07-20 02:22:55,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-20 02:22:55,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:55,042 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:55,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:22:55,043 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:22:55,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:55,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1130926853, now seen corresponding path program 1 times [2022-07-20 02:22:55,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:55,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467287600] [2022-07-20 02:22:55,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:55,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:22:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:22:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:22:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:22:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:22:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:22:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:22:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:22:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:22:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:22:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:22:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:22:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-20 02:22:55,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:55,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467287600] [2022-07-20 02:22:55,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467287600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:55,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:55,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:55,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291733161] [2022-07-20 02:22:55,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:55,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:55,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:55,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:55,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:55,423 INFO L87 Difference]: Start difference. First operand 20615 states and 29164 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 02:23:00,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:00,495 INFO L93 Difference]: Finished difference Result 59261 states and 84120 transitions. [2022-07-20 02:23:00,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:23:00,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 248 [2022-07-20 02:23:00,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:00,665 INFO L225 Difference]: With dead ends: 59261 [2022-07-20 02:23:00,665 INFO L226 Difference]: Without dead ends: 38689 [2022-07-20 02:23:00,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:00,753 INFO L413 NwaCegarLoop]: 4312 mSDtfsCounter, 4448 mSDsluCounter, 4135 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 2267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5039 SdHoareTripleChecker+Valid, 8447 SdHoareTripleChecker+Invalid, 5306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2267 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:00,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5039 Valid, 8447 Invalid, 5306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2267 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 02:23:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38689 states. [2022-07-20 02:23:02,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38689 to 37279. [2022-07-20 02:23:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37279 states, 25418 states have (on average 1.2564717916437171) internal successors, (31937), 26000 states have internal predecessors, (31937), 10027 states have call successors, (10027), 1780 states have call predecessors, (10027), 1831 states have return successors, (10950), 9848 states have call predecessors, (10950), 10023 states have call successors, (10950) [2022-07-20 02:23:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37279 states to 37279 states and 52914 transitions. [2022-07-20 02:23:02,408 INFO L78 Accepts]: Start accepts. Automaton has 37279 states and 52914 transitions. Word has length 248 [2022-07-20 02:23:02,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:02,411 INFO L495 AbstractCegarLoop]: Abstraction has 37279 states and 52914 transitions. [2022-07-20 02:23:02,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 02:23:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 37279 states and 52914 transitions. [2022-07-20 02:23:02,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-20 02:23:02,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:02,416 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:02,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 02:23:02,416 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 02:23:02,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:02,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2144439885, now seen corresponding path program 1 times [2022-07-20 02:23:02,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:02,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821166940] [2022-07-20 02:23:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:02,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:23:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:23:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:23:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:23:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:23:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:23:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:23:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:23:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:23:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:23:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-07-20 02:23:02,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:02,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821166940] [2022-07-20 02:23:02,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821166940] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:02,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:02,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:23:02,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517632912] [2022-07-20 02:23:02,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:02,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:23:02,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:02,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:23:02,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:23:02,936 INFO L87 Difference]: Start difference. First operand 37279 states and 52914 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 02:23:08,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:08,412 INFO L93 Difference]: Finished difference Result 94970 states and 134817 transitions. [2022-07-20 02:23:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:23:08,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 263 [2022-07-20 02:23:08,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:08,709 INFO L225 Difference]: With dead ends: 94970 [2022-07-20 02:23:08,709 INFO L226 Difference]: Without dead ends: 57734 [2022-07-20 02:23:08,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:08,849 INFO L413 NwaCegarLoop]: 4244 mSDtfsCounter, 4975 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 3101 mSolverCounterSat, 2401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5652 SdHoareTripleChecker+Valid, 8353 SdHoareTripleChecker+Invalid, 5502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2401 IncrementalHoareTripleChecker+Valid, 3101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:08,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5652 Valid, 8353 Invalid, 5502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2401 Valid, 3101 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-20 02:23:08,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57734 states. [2022-07-20 02:23:10,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57734 to 55640. [2022-07-20 02:23:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55640 states, 37940 states have (on average 1.2541381128096996) internal successors, (47582), 38840 states have internal predecessors, (47582), 14923 states have call successors, (14923), 2697 states have call predecessors, (14923), 2774 states have return successors, (16300), 14627 states have call predecessors, (16300), 14919 states have call successors, (16300) [2022-07-20 02:23:11,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55640 states to 55640 states and 78805 transitions. [2022-07-20 02:23:11,354 INFO L78 Accepts]: Start accepts. Automaton has 55640 states and 78805 transitions. Word has length 263 [2022-07-20 02:23:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:11,356 INFO L495 AbstractCegarLoop]: Abstraction has 55640 states and 78805 transitions. [2022-07-20 02:23:11,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 02:23:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 55640 states and 78805 transitions. [2022-07-20 02:23:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-20 02:23:11,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:11,360 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:11,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 02:23:11,360 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 02:23:11,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:11,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1494870218, now seen corresponding path program 1 times [2022-07-20 02:23:11,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:11,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662932142] [2022-07-20 02:23:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:11,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:23:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:23:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:23:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:23:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:23:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:23:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:23:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:23:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:23:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:23:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:23:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:23:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-07-20 02:23:12,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:12,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662932142] [2022-07-20 02:23:12,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662932142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:12,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:12,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:23:12,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462870787] [2022-07-20 02:23:12,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:12,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:23:12,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:12,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:23:12,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:23:12,054 INFO L87 Difference]: Start difference. First operand 55640 states and 78805 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 02:23:17,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:17,882 INFO L93 Difference]: Finished difference Result 151229 states and 214322 transitions. [2022-07-20 02:23:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:23:17,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 263 [2022-07-20 02:23:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:18,422 INFO L225 Difference]: With dead ends: 151229 [2022-07-20 02:23:18,422 INFO L226 Difference]: Without dead ends: 95632 [2022-07-20 02:23:18,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:18,834 INFO L413 NwaCegarLoop]: 4356 mSDtfsCounter, 4917 mSDsluCounter, 4138 mSDsCounter, 0 mSdLazyCounter, 3099 mSolverCounterSat, 2377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5596 SdHoareTripleChecker+Valid, 8494 SdHoareTripleChecker+Invalid, 5476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2377 IncrementalHoareTripleChecker+Valid, 3099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:18,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5596 Valid, 8494 Invalid, 5476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2377 Valid, 3099 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 02:23:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95632 states. [2022-07-20 02:23:21,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95632 to 92154. [2022-07-20 02:23:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92154 states, 62808 states have (on average 1.2521971723347345) internal successors, (78648), 64344 states have internal predecessors, (78648), 24699 states have call successors, (24699), 4515 states have call predecessors, (24699), 4644 states have return successors, (26984), 24169 states have call predecessors, (26984), 24695 states have call successors, (26984) [2022-07-20 02:23:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92154 states to 92154 states and 130331 transitions. [2022-07-20 02:23:22,953 INFO L78 Accepts]: Start accepts. Automaton has 92154 states and 130331 transitions. Word has length 263 [2022-07-20 02:23:22,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:22,955 INFO L495 AbstractCegarLoop]: Abstraction has 92154 states and 130331 transitions. [2022-07-20 02:23:22,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-20 02:23:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 92154 states and 130331 transitions. [2022-07-20 02:23:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-20 02:23:22,960 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:22,960 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 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] [2022-07-20 02:23:22,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 02:23:22,960 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 02:23:22,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:22,961 INFO L85 PathProgramCache]: Analyzing trace with hash 735900652, now seen corresponding path program 1 times [2022-07-20 02:23:22,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:22,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190773132] [2022-07-20 02:23:22,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:22,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:23:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:23:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:23:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:23:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:23:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:23:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:23:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:23:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:23:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 02:23:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-20 02:23:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:23:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1662 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2022-07-20 02:23:23,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:23,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190773132] [2022-07-20 02:23:23,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190773132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:23,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:23,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:23:23,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012986504] [2022-07-20 02:23:23,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:23,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:23:23,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:23,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:23:23,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:23:23,321 INFO L87 Difference]: Start difference. First operand 92154 states and 130331 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:23:30,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:30,714 INFO L93 Difference]: Finished difference Result 225527 states and 319214 transitions. [2022-07-20 02:23:30,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:23:30,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 272 [2022-07-20 02:23:30,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:31,501 INFO L225 Difference]: With dead ends: 225527 [2022-07-20 02:23:31,501 INFO L226 Difference]: Without dead ends: 133416 [2022-07-20 02:23:32,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 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 02:23:32,212 INFO L413 NwaCegarLoop]: 6814 mSDtfsCounter, 4081 mSDsluCounter, 5267 mSDsCounter, 0 mSdLazyCounter, 3124 mSolverCounterSat, 1761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4750 SdHoareTripleChecker+Valid, 12081 SdHoareTripleChecker+Invalid, 4885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1761 IncrementalHoareTripleChecker+Valid, 3124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:32,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4750 Valid, 12081 Invalid, 4885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1761 Valid, 3124 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-20 02:23:32,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133416 states. [2022-07-20 02:23:36,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133416 to 128144. [2022-07-20 02:23:36,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128144 states, 87845 states have (on average 1.2523649610108714) internal successors, (110014), 90031 states have internal predecessors, (110014), 33741 states have call successors, (33741), 6416 states have call predecessors, (33741), 6555 states have return successors, (37028), 32900 states have call predecessors, (37028), 33737 states have call successors, (37028) [2022-07-20 02:23:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128144 states to 128144 states and 180783 transitions. [2022-07-20 02:23:37,420 INFO L78 Accepts]: Start accepts. Automaton has 128144 states and 180783 transitions. Word has length 272 [2022-07-20 02:23:37,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:37,437 INFO L495 AbstractCegarLoop]: Abstraction has 128144 states and 180783 transitions. [2022-07-20 02:23:37,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:23:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 128144 states and 180783 transitions. [2022-07-20 02:23:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-07-20 02:23:37,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:37,440 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:37,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 02:23:37,441 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 02:23:37,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:37,441 INFO L85 PathProgramCache]: Analyzing trace with hash -731432605, now seen corresponding path program 1 times [2022-07-20 02:23:37,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:37,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733326753] [2022-07-20 02:23:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:37,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:23:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:23:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:23:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:23:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:23:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:23:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:23:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:23:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:23:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:23:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 02:23:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:23:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 02:23:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 02:23:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-20 02:23:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 02:23:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 02:23:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-07-20 02:23:38,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:38,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733326753] [2022-07-20 02:23:38,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733326753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:38,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:38,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:23:38,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791415333] [2022-07-20 02:23:38,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:38,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:23:38,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:38,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:23:38,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:23:38,280 INFO L87 Difference]: Start difference. First operand 128144 states and 180783 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 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 02:23:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:49,062 INFO L93 Difference]: Finished difference Result 390898 states and 552474 transitions. [2022-07-20 02:23:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:23:49,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 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 293 [2022-07-20 02:23:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:50,390 INFO L225 Difference]: With dead ends: 390898 [2022-07-20 02:23:50,390 INFO L226 Difference]: Without dead ends: 262886 [2022-07-20 02:23:51,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:51,470 INFO L413 NwaCegarLoop]: 7128 mSDtfsCounter, 4088 mSDsluCounter, 5607 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 1634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4759 SdHoareTripleChecker+Valid, 12735 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1634 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:51,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4759 Valid, 12735 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1634 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 02:23:51,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262886 states.