./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.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 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:46:12,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:46:12,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:46:12,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:46:12,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:46:12,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:46:12,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:46:12,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:46:12,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:46:12,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:46:12,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:46:12,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:46:12,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:46:12,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:46:12,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:46:12,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:46:12,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:46:12,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:46:12,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:46:12,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:46:12,277 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:46:12,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:46:12,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:46:12,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:46:12,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:46:12,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:46:12,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:46:12,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:46:12,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:46:12,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:46:12,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:46:12,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:46:12,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:46:12,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:46:12,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:46:12,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:46:12,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:46:12,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:46:12,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:46:12,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:46:12,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:46:12,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:46:12,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:46:12,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:46:12,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:46:12,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:46:12,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:46:12,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:46:12,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:46:12,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:46:12,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:46:12,336 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:46:12,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:46:12,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:46:12,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:46:12,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:46:12,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:46:12,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:46:12,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:46:12,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:46:12,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:46:12,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:46:12,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:46:12,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:46:12,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:46:12,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:46:12,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:46:12,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:46:12,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:46:12,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:46:12,341 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:46:12,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:46:12,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:46:12,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 [2022-07-23 03:46:12,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:46:12,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:46:12,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:46:12,571 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:46:12,572 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:46:12,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-07-23 03:46:12,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26c672eeb/f26d1920c22e425899ba1b599bc2a62c/FLAG52b3b4dd3 [2022-07-23 03:46:13,406 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:46:13,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-07-23 03:46:13,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26c672eeb/f26d1920c22e425899ba1b599bc2a62c/FLAG52b3b4dd3 [2022-07-23 03:46:13,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26c672eeb/f26d1920c22e425899ba1b599bc2a62c [2022-07-23 03:46:13,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:46:13,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:46:13,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:46:13,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:46:13,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:46:13,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:46:13" (1/1) ... [2022-07-23 03:46:13,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ac6be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:13, skipping insertion in model container [2022-07-23 03:46:13,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:46:13" (1/1) ... [2022-07-23 03:46:13,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:46:13,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:46:18,420 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2022-07-23 03:46:18,423 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2022-07-23 03:46:18,423 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2022-07-23 03:46:18,423 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2022-07-23 03:46:18,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:46:18,538 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:46:18,956 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2022-07-23 03:46:18,958 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2022-07-23 03:46:18,959 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2022-07-23 03:46:18,959 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2022-07-23 03:46:18,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:46:19,249 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:46:19,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19 WrapperNode [2022-07-23 03:46:19,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:46:19,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:46:19,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:46:19,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:46:19,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,606 INFO L137 Inliner]: procedures = 642, calls = 3539, calls flagged for inlining = 319, calls inlined = 283, statements flattened = 8553 [2022-07-23 03:46:19,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:46:19,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:46:19,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:46:19,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:46:19,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:46:19,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:46:19,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:46:19,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:46:19,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (1/1) ... [2022-07-23 03:46:19,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:46:19,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:46:20,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:46:20,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:46:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-23 03:46:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-23 03:46:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:46:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:46:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:46:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:46:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-23 03:46:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-23 03:46:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:46:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:46:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:46:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:46:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-23 03:46:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-23 03:46:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2022-07-23 03:46:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2022-07-23 03:46:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:46:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:46:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-23 03:46:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-07-23 03:46:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 03:46:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-23 03:46:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 03:46:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 03:46:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:46:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:46:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-07-23 03:46:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:46:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 03:46:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-07-23 03:46:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:46:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-07-23 03:46:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:46:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-07-23 03:46:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-23 03:46:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-23 03:46:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:46:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 03:46:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:46:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-07-23 03:46:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-23 03:46:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:46:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:46:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:46:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 03:46:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 03:46:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 03:46:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-07-23 03:46:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-07-23 03:46:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 03:46:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 03:46:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-07-23 03:46:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 03:46:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 03:46:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:46:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 03:46:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 03:46:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-07-23 03:46:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 03:46:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-23 03:46:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-23 03:46:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-07-23 03:46:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-07-23 03:46:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-23 03:46:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-07-23 03:46:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-23 03:46:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-23 03:46:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:46:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:46:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 03:46:21,061 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:46:21,064 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:46:21,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:46:25,283 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:46:25,510 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:46:25,537 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:46:25,541 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 03:46:25,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:46:25 BoogieIcfgContainer [2022-07-23 03:46:25,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:46:25,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:46:25,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:46:25,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:46:25,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:46:13" (1/3) ... [2022-07-23 03:46:25,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5435d723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:46:25, skipping insertion in model container [2022-07-23 03:46:25,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:46:19" (2/3) ... [2022-07-23 03:46:25,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5435d723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:46:25, skipping insertion in model container [2022-07-23 03:46:25,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:46:25" (3/3) ... [2022-07-23 03:46:25,565 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2022-07-23 03:46:25,574 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:46:25,575 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:46:25,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:46:25,646 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@24b0dab3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6e9f099e [2022-07-23 03:46:25,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:46:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 3175 states, 2241 states have (on average 1.3253012048192772) internal successors, (2970), 2282 states have internal predecessors, (2970), 773 states have call successors, (773), 161 states have call predecessors, (773), 160 states have return successors, (765), 751 states have call predecessors, (765), 765 states have call successors, (765) [2022-07-23 03:46:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-23 03:46:25,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:25,674 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:46:25,674 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:46:25,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:25,678 INFO L85 PathProgramCache]: Analyzing trace with hash -235193078, now seen corresponding path program 1 times [2022-07-23 03:46:25,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:25,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887839204] [2022-07-23 03:46:25,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:25,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:46:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:46:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:46:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:46:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:46:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:46:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:46:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:46:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:46:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:46:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:46:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:46:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 03:46:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2022-07-23 03:46:26,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:46:26,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887839204] [2022-07-23 03:46:26,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887839204] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:26,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:26,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:46:26,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460031095] [2022-07-23 03:46:26,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:26,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:46:26,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:46:26,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:46:26,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:46:26,830 INFO L87 Difference]: Start difference. First operand has 3175 states, 2241 states have (on average 1.3253012048192772) internal successors, (2970), 2282 states have internal predecessors, (2970), 773 states have call successors, (773), 161 states have call predecessors, (773), 160 states have return successors, (765), 751 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-23 03:46:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:33,436 INFO L93 Difference]: Finished difference Result 10099 states and 14730 transitions. [2022-07-23 03:46:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:46:33,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 292 [2022-07-23 03:46:33,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:33,508 INFO L225 Difference]: With dead ends: 10099 [2022-07-23 03:46:33,508 INFO L226 Difference]: Without dead ends: 6963 [2022-07-23 03:46:33,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:46:33,537 INFO L413 NwaCegarLoop]: 4720 mSDtfsCounter, 6463 mSDsluCounter, 4539 mSDsCounter, 0 mSdLazyCounter, 3527 mSolverCounterSat, 2586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7175 SdHoareTripleChecker+Valid, 9259 SdHoareTripleChecker+Invalid, 6113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2586 IncrementalHoareTripleChecker+Valid, 3527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:33,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7175 Valid, 9259 Invalid, 6113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2586 Valid, 3527 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-23 03:46:33,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6963 states. [2022-07-23 03:46:33,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6963 to 6187. [2022-07-23 03:46:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6187 states, 4398 states have (on average 1.273988176443838) internal successors, (5603), 4477 states have internal predecessors, (5603), 1472 states have call successors, (1472), 317 states have call predecessors, (1472), 316 states have return successors, (1468), 1440 states have call predecessors, (1468), 1468 states have call successors, (1468) [2022-07-23 03:46:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6187 states to 6187 states and 8543 transitions. [2022-07-23 03:46:33,934 INFO L78 Accepts]: Start accepts. Automaton has 6187 states and 8543 transitions. Word has length 292 [2022-07-23 03:46:33,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:33,937 INFO L495 AbstractCegarLoop]: Abstraction has 6187 states and 8543 transitions. [2022-07-23 03:46:33,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-23 03:46:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 6187 states and 8543 transitions. [2022-07-23 03:46:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-07-23 03:46:33,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:33,955 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:46:33,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:46:33,956 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:46:33,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:33,957 INFO L85 PathProgramCache]: Analyzing trace with hash 778111060, now seen corresponding path program 1 times [2022-07-23 03:46:33,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:33,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952756051] [2022-07-23 03:46:33,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:33,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:46:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:46:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:46:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:46:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:46:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:46:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:46:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:46:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:46:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:46:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:46:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:46:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:46:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:46:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:46:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:46:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:46:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:46:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:46:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2022-07-23 03:46:34,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:46:34,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952756051] [2022-07-23 03:46:34,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952756051] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:34,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:34,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:46:34,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485296686] [2022-07-23 03:46:34,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:34,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:46:34,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:46:34,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:46:34,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:46:34,725 INFO L87 Difference]: Start difference. First operand 6187 states and 8543 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 03:46:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:41,335 INFO L93 Difference]: Finished difference Result 13496 states and 18859 transitions. [2022-07-23 03:46:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:46:41,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 348 [2022-07-23 03:46:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:41,395 INFO L225 Difference]: With dead ends: 13496 [2022-07-23 03:46:41,396 INFO L226 Difference]: Without dead ends: 10379 [2022-07-23 03:46:41,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:46:41,416 INFO L413 NwaCegarLoop]: 8233 mSDtfsCounter, 4997 mSDsluCounter, 6222 mSDsCounter, 0 mSdLazyCounter, 3564 mSolverCounterSat, 1807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5705 SdHoareTripleChecker+Valid, 14455 SdHoareTripleChecker+Invalid, 5371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 3564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:41,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5705 Valid, 14455 Invalid, 5371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1807 Valid, 3564 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-23 03:46:41,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10379 states. [2022-07-23 03:46:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10379 to 9215. [2022-07-23 03:46:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9215 states, 6562 states have (on average 1.2746113989637307) internal successors, (8364), 6679 states have internal predecessors, (8364), 2179 states have call successors, (2179), 474 states have call predecessors, (2179), 473 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2022-07-23 03:46:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9215 states to 9215 states and 12718 transitions. [2022-07-23 03:46:41,759 INFO L78 Accepts]: Start accepts. Automaton has 9215 states and 12718 transitions. Word has length 348 [2022-07-23 03:46:41,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:41,761 INFO L495 AbstractCegarLoop]: Abstraction has 9215 states and 12718 transitions. [2022-07-23 03:46:41,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 03:46:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 9215 states and 12718 transitions. [2022-07-23 03:46:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-07-23 03:46:41,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:41,772 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:46:41,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:46:41,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:46:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash 918659670, now seen corresponding path program 1 times [2022-07-23 03:46:41,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:41,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135918398] [2022-07-23 03:46:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:46:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:46:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:46:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:46:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:46:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:46:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:46:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:46:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:46:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:46:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:46:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:46:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:46:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:46:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:46:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:46:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:46:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:46:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:46:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2022-07-23 03:46:42,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:46:42,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135918398] [2022-07-23 03:46:42,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135918398] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:42,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:42,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:46:42,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343050829] [2022-07-23 03:46:42,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:42,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:46:42,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:46:42,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:46:42,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:46:42,773 INFO L87 Difference]: Start difference. First operand 9215 states and 12718 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 03:46:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:47,499 INFO L93 Difference]: Finished difference Result 10385 states and 14559 transitions. [2022-07-23 03:46:47,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:46:47,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 348 [2022-07-23 03:46:47,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:47,588 INFO L225 Difference]: With dead ends: 10385 [2022-07-23 03:46:47,589 INFO L226 Difference]: Without dead ends: 10383 [2022-07-23 03:46:47,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:46:47,596 INFO L413 NwaCegarLoop]: 4234 mSDtfsCounter, 5074 mSDsluCounter, 7407 mSDsCounter, 0 mSdLazyCounter, 4505 mSolverCounterSat, 1805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5486 SdHoareTripleChecker+Valid, 11641 SdHoareTripleChecker+Invalid, 6310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 4505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:47,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5486 Valid, 11641 Invalid, 6310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1805 Valid, 4505 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-23 03:46:47,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2022-07-23 03:46:47,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 9219. [2022-07-23 03:46:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9219 states, 6565 states have (on average 1.2744859101294745) internal successors, (8367), 6682 states have internal predecessors, (8367), 2179 states have call successors, (2179), 475 states have call predecessors, (2179), 474 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2022-07-23 03:46:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9219 states to 9219 states and 12721 transitions. [2022-07-23 03:46:47,970 INFO L78 Accepts]: Start accepts. Automaton has 9219 states and 12721 transitions. Word has length 348 [2022-07-23 03:46:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:47,974 INFO L495 AbstractCegarLoop]: Abstraction has 9219 states and 12721 transitions. [2022-07-23 03:46:47,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 03:46:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 9219 states and 12721 transitions. [2022-07-23 03:46:47,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-23 03:46:47,984 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:47,984 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:46:47,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:46:47,986 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:46:47,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:47,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1624099265, now seen corresponding path program 1 times [2022-07-23 03:46:47,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:47,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112976963] [2022-07-23 03:46:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:46:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:46:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:46:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:46:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:46:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:46:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:46:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:46:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:46:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:46:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:46:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:46:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:46:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:46:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:46:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:46:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:46:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:46:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:46:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:46:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2022-07-23 03:46:48,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:46:48,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112976963] [2022-07-23 03:46:48,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112976963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:48,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:48,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:46:48,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326389394] [2022-07-23 03:46:48,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:48,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:46:48,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:46:48,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:46:48,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:46:48,773 INFO L87 Difference]: Start difference. First operand 9219 states and 12721 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 03:46:53,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:53,601 INFO L93 Difference]: Finished difference Result 10389 states and 14562 transitions. [2022-07-23 03:46:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:46:53,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 353 [2022-07-23 03:46:53,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:53,677 INFO L225 Difference]: With dead ends: 10389 [2022-07-23 03:46:53,678 INFO L226 Difference]: Without dead ends: 10387 [2022-07-23 03:46:53,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:46:53,687 INFO L413 NwaCegarLoop]: 4180 mSDtfsCounter, 5121 mSDsluCounter, 7291 mSDsCounter, 0 mSdLazyCounter, 4501 mSolverCounterSat, 1804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5535 SdHoareTripleChecker+Valid, 11471 SdHoareTripleChecker+Invalid, 6305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1804 IncrementalHoareTripleChecker+Valid, 4501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:53,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5535 Valid, 11471 Invalid, 6305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1804 Valid, 4501 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 03:46:53,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10387 states. [2022-07-23 03:46:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10387 to 9223. [2022-07-23 03:46:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9223 states, 6568 states have (on average 1.2743605359317904) internal successors, (8370), 6685 states have internal predecessors, (8370), 2179 states have call successors, (2179), 476 states have call predecessors, (2179), 475 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2022-07-23 03:46:53,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9223 states to 9223 states and 12724 transitions. [2022-07-23 03:46:53,984 INFO L78 Accepts]: Start accepts. Automaton has 9223 states and 12724 transitions. Word has length 353 [2022-07-23 03:46:53,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:53,984 INFO L495 AbstractCegarLoop]: Abstraction has 9223 states and 12724 transitions. [2022-07-23 03:46:53,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 03:46:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 9223 states and 12724 transitions. [2022-07-23 03:46:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-23 03:46:53,995 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:53,995 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:46:53,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:46:53,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:46:53,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash -503995146, now seen corresponding path program 1 times [2022-07-23 03:46:53,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:53,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367298994] [2022-07-23 03:46:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:53,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:46:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:46:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:46:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:46:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:46:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:46:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:46:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:46:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:46:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:46:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:46:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:46:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:46:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:46:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:46:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:46:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:46:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:46:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:46:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:46:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:46:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2832 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2828 trivial. 0 not checked. [2022-07-23 03:46:54,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:46:54,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367298994] [2022-07-23 03:46:54,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367298994] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:46:54,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:46:54,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:46:54,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887063428] [2022-07-23 03:46:54,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:46:54,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:46:54,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:46:54,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:46:54,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:46:54,678 INFO L87 Difference]: Start difference. First operand 9223 states and 12724 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 03:46:59,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:59,072 INFO L93 Difference]: Finished difference Result 10393 states and 14565 transitions. [2022-07-23 03:46:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:46:59,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 358 [2022-07-23 03:46:59,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:59,148 INFO L225 Difference]: With dead ends: 10393 [2022-07-23 03:46:59,149 INFO L226 Difference]: Without dead ends: 10391 [2022-07-23 03:46:59,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:46:59,157 INFO L413 NwaCegarLoop]: 4203 mSDtfsCounter, 5088 mSDsluCounter, 7337 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 1826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5502 SdHoareTripleChecker+Valid, 11540 SdHoareTripleChecker+Invalid, 6322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1826 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:59,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5502 Valid, 11540 Invalid, 6322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1826 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-23 03:46:59,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10391 states. [2022-07-23 03:46:59,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10391 to 9227. [2022-07-23 03:46:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9227 states, 6571 states have (on average 1.2742352762136662) internal successors, (8373), 6688 states have internal predecessors, (8373), 2179 states have call successors, (2179), 477 states have call predecessors, (2179), 476 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2022-07-23 03:46:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9227 states to 9227 states and 12727 transitions. [2022-07-23 03:46:59,458 INFO L78 Accepts]: Start accepts. Automaton has 9227 states and 12727 transitions. Word has length 358 [2022-07-23 03:46:59,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:46:59,460 INFO L495 AbstractCegarLoop]: Abstraction has 9227 states and 12727 transitions. [2022-07-23 03:46:59,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 03:46:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 9227 states and 12727 transitions. [2022-07-23 03:46:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-23 03:46:59,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:46:59,473 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:46:59,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:46:59,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:46:59,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:46:59,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1929021947, now seen corresponding path program 1 times [2022-07-23 03:46:59,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:46:59,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390190038] [2022-07-23 03:46:59,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:46:59,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:46:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:46:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:46:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:46:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:46:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:46:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:46:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:46:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:46:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:46:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:46:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:46:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:46:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:46:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:46:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:46:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:46:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:46:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:46:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:46:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:46:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:46:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:46:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:46:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:46:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:46:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:47:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:47:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 03:47:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 03:47:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 03:47:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2853 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2022-07-23 03:47:00,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:00,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390190038] [2022-07-23 03:47:00,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390190038] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:00,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:00,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:47:00,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560497089] [2022-07-23 03:47:00,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:00,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:47:00,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:00,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:47:00,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:47:00,134 INFO L87 Difference]: Start difference. First operand 9227 states and 12727 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-23 03:47:12,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:12,200 INFO L93 Difference]: Finished difference Result 19997 states and 27874 transitions. [2022-07-23 03:47:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:47:12,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 374 [2022-07-23 03:47:12,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:12,248 INFO L225 Difference]: With dead ends: 19997 [2022-07-23 03:47:12,248 INFO L226 Difference]: Without dead ends: 13840 [2022-07-23 03:47:12,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:47:12,268 INFO L413 NwaCegarLoop]: 7889 mSDtfsCounter, 6631 mSDsluCounter, 6188 mSDsCounter, 0 mSdLazyCounter, 7026 mSolverCounterSat, 4288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7126 SdHoareTripleChecker+Valid, 14077 SdHoareTripleChecker+Invalid, 11314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4288 IncrementalHoareTripleChecker+Valid, 7026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:12,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7126 Valid, 14077 Invalid, 11314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4288 Valid, 7026 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-07-23 03:47:12,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13840 states. [2022-07-23 03:47:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13840 to 12256. [2022-07-23 03:47:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12256 states, 8736 states have (on average 1.2746108058608059) internal successors, (11135), 8891 states have internal predecessors, (11135), 2886 states have call successors, (2886), 634 states have call predecessors, (2886), 633 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:47:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12256 states to 12256 states and 16903 transitions. [2022-07-23 03:47:12,686 INFO L78 Accepts]: Start accepts. Automaton has 12256 states and 16903 transitions. Word has length 374 [2022-07-23 03:47:12,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:12,687 INFO L495 AbstractCegarLoop]: Abstraction has 12256 states and 16903 transitions. [2022-07-23 03:47:12,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-23 03:47:12,687 INFO L276 IsEmpty]: Start isEmpty. Operand 12256 states and 16903 transitions. [2022-07-23 03:47:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-23 03:47:12,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:12,698 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:47:12,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:47:12,699 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:47:12,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:12,700 INFO L85 PathProgramCache]: Analyzing trace with hash 286038689, now seen corresponding path program 1 times [2022-07-23 03:47:12,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:12,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393563202] [2022-07-23 03:47:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:12,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:47:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:47:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:47:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:47:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:47:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:47:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:47:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:47:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:47:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:47:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:47:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:47:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:47:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2842 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2022-07-23 03:47:13,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:13,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393563202] [2022-07-23 03:47:13,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393563202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:13,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:13,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:47:13,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972845983] [2022-07-23 03:47:13,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:13,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:47:13,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:13,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:47:13,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:47:13,481 INFO L87 Difference]: Start difference. First operand 12256 states and 16903 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 03:47:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:17,748 INFO L93 Difference]: Finished difference Result 13814 states and 19348 transitions. [2022-07-23 03:47:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:47:17,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 363 [2022-07-23 03:47:17,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:17,804 INFO L225 Difference]: With dead ends: 13814 [2022-07-23 03:47:17,805 INFO L226 Difference]: Without dead ends: 13812 [2022-07-23 03:47:17,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:47:17,816 INFO L413 NwaCegarLoop]: 4141 mSDtfsCounter, 5153 mSDsluCounter, 7215 mSDsCounter, 0 mSdLazyCounter, 4498 mSolverCounterSat, 1821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5565 SdHoareTripleChecker+Valid, 11356 SdHoareTripleChecker+Invalid, 6319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1821 IncrementalHoareTripleChecker+Valid, 4498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:17,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5565 Valid, 11356 Invalid, 6319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1821 Valid, 4498 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-23 03:47:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13812 states. [2022-07-23 03:47:18,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13812 to 12260. [2022-07-23 03:47:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12260 states, 8739 states have (on average 1.2745165350726628) internal successors, (11138), 8894 states have internal predecessors, (11138), 2886 states have call successors, (2886), 635 states have call predecessors, (2886), 634 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:47:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 16906 transitions. [2022-07-23 03:47:18,246 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 16906 transitions. Word has length 363 [2022-07-23 03:47:18,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:18,246 INFO L495 AbstractCegarLoop]: Abstraction has 12260 states and 16906 transitions. [2022-07-23 03:47:18,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 03:47:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 16906 transitions. [2022-07-23 03:47:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-07-23 03:47:18,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:18,259 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:47:18,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:47:18,260 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:47:18,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:18,260 INFO L85 PathProgramCache]: Analyzing trace with hash 384864150, now seen corresponding path program 1 times [2022-07-23 03:47:18,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:18,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816160456] [2022-07-23 03:47:18,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:18,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:47:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:47:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:47:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:47:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:47:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:47:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:47:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:47:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:47:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:47:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:47:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:47:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:47:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:47:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2856 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2848 trivial. 0 not checked. [2022-07-23 03:47:18,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:18,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816160456] [2022-07-23 03:47:18,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816160456] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:18,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:18,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:47:18,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029225804] [2022-07-23 03:47:18,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:18,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:47:18,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:18,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:47:18,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:47:18,897 INFO L87 Difference]: Start difference. First operand 12260 states and 16906 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-23 03:47:23,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:23,632 INFO L93 Difference]: Finished difference Result 13818 states and 19351 transitions. [2022-07-23 03:47:23,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:47:23,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 368 [2022-07-23 03:47:23,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:23,689 INFO L225 Difference]: With dead ends: 13818 [2022-07-23 03:47:23,689 INFO L226 Difference]: Without dead ends: 13816 [2022-07-23 03:47:23,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:47:23,700 INFO L413 NwaCegarLoop]: 4169 mSDtfsCounter, 5123 mSDsluCounter, 7272 mSDsCounter, 0 mSdLazyCounter, 4505 mSolverCounterSat, 1825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5534 SdHoareTripleChecker+Valid, 11441 SdHoareTripleChecker+Invalid, 6330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1825 IncrementalHoareTripleChecker+Valid, 4505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:23,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5534 Valid, 11441 Invalid, 6330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1825 Valid, 4505 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 03:47:23,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13816 states. [2022-07-23 03:47:24,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13816 to 12264. [2022-07-23 03:47:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12264 states, 8742 states have (on average 1.274422328986502) internal successors, (11141), 8897 states have internal predecessors, (11141), 2886 states have call successors, (2886), 636 states have call predecessors, (2886), 635 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:47:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12264 states to 12264 states and 16909 transitions. [2022-07-23 03:47:24,256 INFO L78 Accepts]: Start accepts. Automaton has 12264 states and 16909 transitions. Word has length 368 [2022-07-23 03:47:24,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:24,256 INFO L495 AbstractCegarLoop]: Abstraction has 12264 states and 16909 transitions. [2022-07-23 03:47:24,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-23 03:47:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 12264 states and 16909 transitions. [2022-07-23 03:47:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-07-23 03:47:24,271 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:24,271 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:47:24,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 03:47:24,271 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:47:24,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:24,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1200980865, now seen corresponding path program 1 times [2022-07-23 03:47:24,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:24,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305478597] [2022-07-23 03:47:24,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:24,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:47:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:47:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:47:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:47:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:47:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:47:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:47:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:47:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:47:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:47:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:47:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:47:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:47:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:47:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:47:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2864 trivial. 0 not checked. [2022-07-23 03:47:24,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:24,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305478597] [2022-07-23 03:47:24,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305478597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:24,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:24,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:47:24,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507182151] [2022-07-23 03:47:24,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:24,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:47:24,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:24,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:47:24,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:47:24,871 INFO L87 Difference]: Start difference. First operand 12264 states and 16909 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-23 03:47:29,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:29,475 INFO L93 Difference]: Finished difference Result 13822 states and 19354 transitions. [2022-07-23 03:47:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:47:29,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 373 [2022-07-23 03:47:29,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:29,528 INFO L225 Difference]: With dead ends: 13822 [2022-07-23 03:47:29,529 INFO L226 Difference]: Without dead ends: 13820 [2022-07-23 03:47:29,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:47:29,538 INFO L413 NwaCegarLoop]: 4199 mSDtfsCounter, 5103 mSDsluCounter, 7335 mSDsCounter, 0 mSdLazyCounter, 4510 mSolverCounterSat, 1807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5511 SdHoareTripleChecker+Valid, 11534 SdHoareTripleChecker+Invalid, 6317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 4510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:29,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5511 Valid, 11534 Invalid, 6317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1807 Valid, 4510 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-23 03:47:29,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13820 states. [2022-07-23 03:47:29,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13820 to 12268. [2022-07-23 03:47:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12268 states, 8745 states have (on average 1.2743281875357346) internal successors, (11144), 8900 states have internal predecessors, (11144), 2886 states have call successors, (2886), 637 states have call predecessors, (2886), 636 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:47:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12268 states to 12268 states and 16912 transitions. [2022-07-23 03:47:29,990 INFO L78 Accepts]: Start accepts. Automaton has 12268 states and 16912 transitions. Word has length 373 [2022-07-23 03:47:29,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:29,991 INFO L495 AbstractCegarLoop]: Abstraction has 12268 states and 16912 transitions. [2022-07-23 03:47:29,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-23 03:47:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 12268 states and 16912 transitions. [2022-07-23 03:47:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-23 03:47:30,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:30,006 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:47:30,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 03:47:30,006 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:47:30,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash 405824054, now seen corresponding path program 1 times [2022-07-23 03:47:30,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:30,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3564100] [2022-07-23 03:47:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:30,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:47:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:47:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:47:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:47:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:47:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:47:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:47:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:47:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:47:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:47:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:47:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:47:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:47:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:47:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:47:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:47:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2884 trivial. 0 not checked. [2022-07-23 03:47:30,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:30,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3564100] [2022-07-23 03:47:30,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3564100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:30,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:30,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:47:30,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685169627] [2022-07-23 03:47:30,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:30,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:47:30,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:30,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:47:30,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:47:30,638 INFO L87 Difference]: Start difference. First operand 12268 states and 16912 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-23 03:47:35,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:35,130 INFO L93 Difference]: Finished difference Result 13826 states and 19357 transitions. [2022-07-23 03:47:35,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:47:35,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 378 [2022-07-23 03:47:35,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:35,206 INFO L225 Difference]: With dead ends: 13826 [2022-07-23 03:47:35,207 INFO L226 Difference]: Without dead ends: 13824 [2022-07-23 03:47:35,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:47:35,218 INFO L413 NwaCegarLoop]: 4166 mSDtfsCounter, 5125 mSDsluCounter, 7260 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 1816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5542 SdHoareTripleChecker+Valid, 11426 SdHoareTripleChecker+Invalid, 6312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1816 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:35,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5542 Valid, 11426 Invalid, 6312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1816 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 03:47:35,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13824 states. [2022-07-23 03:47:35,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13824 to 12272. [2022-07-23 03:47:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12272 states, 8748 states have (on average 1.2742341106538637) internal successors, (11147), 8903 states have internal predecessors, (11147), 2886 states have call successors, (2886), 638 states have call predecessors, (2886), 637 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:47:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12272 states to 12272 states and 16915 transitions. [2022-07-23 03:47:35,676 INFO L78 Accepts]: Start accepts. Automaton has 12272 states and 16915 transitions. Word has length 378 [2022-07-23 03:47:35,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:35,676 INFO L495 AbstractCegarLoop]: Abstraction has 12272 states and 16915 transitions. [2022-07-23 03:47:35,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-23 03:47:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12272 states and 16915 transitions. [2022-07-23 03:47:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-07-23 03:47:35,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:35,692 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:47:35,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 03:47:35,692 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:47:35,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:35,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1599437727, now seen corresponding path program 1 times [2022-07-23 03:47:35,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:35,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34129535] [2022-07-23 03:47:35,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:35,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:47:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:47:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:47:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:47:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:47:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:47:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:47:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:47:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:47:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:47:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:47:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:47:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:47:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:47:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:47:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:47:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:47:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2922 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2908 trivial. 0 not checked. [2022-07-23 03:47:36,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:36,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34129535] [2022-07-23 03:47:36,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34129535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:36,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:36,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:47:36,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717302432] [2022-07-23 03:47:36,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:36,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:47:36,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:36,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:47:36,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:47:36,432 INFO L87 Difference]: Start difference. First operand 12272 states and 16915 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-23 03:47:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:42,201 INFO L93 Difference]: Finished difference Result 13830 states and 19360 transitions. [2022-07-23 03:47:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:47:42,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 383 [2022-07-23 03:47:42,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:42,282 INFO L225 Difference]: With dead ends: 13830 [2022-07-23 03:47:42,283 INFO L226 Difference]: Without dead ends: 13828 [2022-07-23 03:47:42,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:47:42,294 INFO L413 NwaCegarLoop]: 4220 mSDtfsCounter, 5080 mSDsluCounter, 7376 mSDsCounter, 0 mSdLazyCounter, 4505 mSolverCounterSat, 1810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5489 SdHoareTripleChecker+Valid, 11596 SdHoareTripleChecker+Invalid, 6315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1810 IncrementalHoareTripleChecker+Valid, 4505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:42,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5489 Valid, 11596 Invalid, 6315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1810 Valid, 4505 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-23 03:47:42,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13828 states. [2022-07-23 03:47:42,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13828 to 12276. [2022-07-23 03:47:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12276 states, 8751 states have (on average 1.2741400982744828) internal successors, (11150), 8906 states have internal predecessors, (11150), 2886 states have call successors, (2886), 639 states have call predecessors, (2886), 638 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:47:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12276 states to 12276 states and 16918 transitions. [2022-07-23 03:47:42,910 INFO L78 Accepts]: Start accepts. Automaton has 12276 states and 16918 transitions. Word has length 383 [2022-07-23 03:47:42,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:42,911 INFO L495 AbstractCegarLoop]: Abstraction has 12276 states and 16918 transitions. [2022-07-23 03:47:42,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-23 03:47:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 12276 states and 16918 transitions. [2022-07-23 03:47:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-07-23 03:47:42,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:42,931 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:47:42,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 03:47:42,931 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:47:42,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:42,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1565319978, now seen corresponding path program 1 times [2022-07-23 03:47:42,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:42,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994251205] [2022-07-23 03:47:42,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:47:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:47:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:47:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:47:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:47:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:47:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:47:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:47:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:47:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:47:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:47:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:47:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:47:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:47:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:47:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:47:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:47:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:47:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2022-07-23 03:47:43,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:43,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994251205] [2022-07-23 03:47:43,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994251205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:43,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:43,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:47:43,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730615478] [2022-07-23 03:47:43,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:43,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:47:43,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:43,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:47:43,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:47:43,562 INFO L87 Difference]: Start difference. First operand 12276 states and 16918 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-23 03:47:48,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:48,318 INFO L93 Difference]: Finished difference Result 13834 states and 19363 transitions. [2022-07-23 03:47:48,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:47:48,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 388 [2022-07-23 03:47:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:48,365 INFO L225 Difference]: With dead ends: 13834 [2022-07-23 03:47:48,366 INFO L226 Difference]: Without dead ends: 13832 [2022-07-23 03:47:48,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:47:48,377 INFO L413 NwaCegarLoop]: 4192 mSDtfsCounter, 5101 mSDsluCounter, 7315 mSDsCounter, 0 mSdLazyCounter, 4495 mSolverCounterSat, 1815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5515 SdHoareTripleChecker+Valid, 11507 SdHoareTripleChecker+Invalid, 6310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1815 IncrementalHoareTripleChecker+Valid, 4495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:48,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5515 Valid, 11507 Invalid, 6310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1815 Valid, 4495 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 03:47:48,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13832 states. [2022-07-23 03:47:48,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13832 to 12280. [2022-07-23 03:47:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12280 states, 8754 states have (on average 1.2740461503312772) internal successors, (11153), 8909 states have internal predecessors, (11153), 2886 states have call successors, (2886), 640 states have call predecessors, (2886), 639 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:47:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12280 states to 12280 states and 16921 transitions. [2022-07-23 03:47:48,949 INFO L78 Accepts]: Start accepts. Automaton has 12280 states and 16921 transitions. Word has length 388 [2022-07-23 03:47:48,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:48,951 INFO L495 AbstractCegarLoop]: Abstraction has 12280 states and 16921 transitions. [2022-07-23 03:47:48,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-23 03:47:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 12280 states and 16921 transitions. [2022-07-23 03:47:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-07-23 03:47:48,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:48,968 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:47:48,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 03:47:48,969 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:47:48,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:48,969 INFO L85 PathProgramCache]: Analyzing trace with hash -837968575, now seen corresponding path program 1 times [2022-07-23 03:47:48,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:48,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262869372] [2022-07-23 03:47:48,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:47:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:47:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:47:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:47:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:47:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:47:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:47:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:47:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:47:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:47:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:47:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:47:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:47:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:47:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:47:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:47:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:47:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:47:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:47:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2986 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2968 trivial. 0 not checked. [2022-07-23 03:47:49,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:49,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262869372] [2022-07-23 03:47:49,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262869372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:49,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:49,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:47:49,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866186993] [2022-07-23 03:47:49,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:49,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:47:49,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:49,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:47:49,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:47:49,589 INFO L87 Difference]: Start difference. First operand 12280 states and 16921 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 03:47:54,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:47:54,410 INFO L93 Difference]: Finished difference Result 13838 states and 19366 transitions. [2022-07-23 03:47:54,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:47:54,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 393 [2022-07-23 03:47:54,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:47:54,457 INFO L225 Difference]: With dead ends: 13838 [2022-07-23 03:47:54,457 INFO L226 Difference]: Without dead ends: 13836 [2022-07-23 03:47:54,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:47:54,473 INFO L413 NwaCegarLoop]: 4224 mSDtfsCounter, 5076 mSDsluCounter, 7381 mSDsCounter, 0 mSdLazyCounter, 4508 mSolverCounterSat, 1801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5488 SdHoareTripleChecker+Valid, 11605 SdHoareTripleChecker+Invalid, 6309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1801 IncrementalHoareTripleChecker+Valid, 4508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:47:54,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5488 Valid, 11605 Invalid, 6309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1801 Valid, 4508 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-23 03:47:54,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13836 states. [2022-07-23 03:47:55,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13836 to 12284. [2022-07-23 03:47:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12284 states, 8757 states have (on average 1.273952266758022) internal successors, (11156), 8912 states have internal predecessors, (11156), 2886 states have call successors, (2886), 641 states have call predecessors, (2886), 640 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:47:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12284 states to 12284 states and 16924 transitions. [2022-07-23 03:47:55,084 INFO L78 Accepts]: Start accepts. Automaton has 12284 states and 16924 transitions. Word has length 393 [2022-07-23 03:47:55,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:47:55,085 INFO L495 AbstractCegarLoop]: Abstraction has 12284 states and 16924 transitions. [2022-07-23 03:47:55,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 03:47:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 12284 states and 16924 transitions. [2022-07-23 03:47:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-07-23 03:47:55,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:47:55,100 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:47:55,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 03:47:55,101 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:47:55,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:47:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash -839467146, now seen corresponding path program 1 times [2022-07-23 03:47:55,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:47:55,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281494764] [2022-07-23 03:47:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:47:55,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:47:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:47:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:47:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:47:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:47:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:47:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:47:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:47:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:47:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:47:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:47:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:47:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:47:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:47:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:47:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:47:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:47:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:47:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:47:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:47:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:47:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:47:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:47:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:47:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:47:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:47:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:47:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:47:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:47:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:47:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:47:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:47:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:47:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:47:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:47:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:47:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:47:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:47:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:47:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:47:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:47:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:47:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:47:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 03:47:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:47:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3024 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3004 trivial. 0 not checked. [2022-07-23 03:47:55,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:47:55,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281494764] [2022-07-23 03:47:55,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281494764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:47:55,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:47:55,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:47:55,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153368811] [2022-07-23 03:47:55,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:47:55,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:47:55,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:47:55,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:47:55,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:47:55,788 INFO L87 Difference]: Start difference. First operand 12284 states and 16924 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 03:48:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:48:01,033 INFO L93 Difference]: Finished difference Result 13842 states and 19369 transitions. [2022-07-23 03:48:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:48:01,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 398 [2022-07-23 03:48:01,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:48:01,086 INFO L225 Difference]: With dead ends: 13842 [2022-07-23 03:48:01,086 INFO L226 Difference]: Without dead ends: 13840 [2022-07-23 03:48:01,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:48:01,097 INFO L413 NwaCegarLoop]: 4181 mSDtfsCounter, 5121 mSDsluCounter, 7299 mSDsCounter, 0 mSdLazyCounter, 4511 mSolverCounterSat, 1803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5529 SdHoareTripleChecker+Valid, 11480 SdHoareTripleChecker+Invalid, 6314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1803 IncrementalHoareTripleChecker+Valid, 4511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:48:01,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5529 Valid, 11480 Invalid, 6314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1803 Valid, 4511 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 03:48:01,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13840 states. [2022-07-23 03:48:01,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13840 to 12288. [2022-07-23 03:48:01,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12288 states, 8760 states have (on average 1.2738584474885846) internal successors, (11159), 8915 states have internal predecessors, (11159), 2886 states have call successors, (2886), 642 states have call predecessors, (2886), 641 states have return successors, (2882), 2826 states have call predecessors, (2882), 2882 states have call successors, (2882) [2022-07-23 03:48:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12288 states to 12288 states and 16927 transitions. [2022-07-23 03:48:01,689 INFO L78 Accepts]: Start accepts. Automaton has 12288 states and 16927 transitions. Word has length 398 [2022-07-23 03:48:01,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:48:01,689 INFO L495 AbstractCegarLoop]: Abstraction has 12288 states and 16927 transitions. [2022-07-23 03:48:01,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 03:48:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 12288 states and 16927 transitions. [2022-07-23 03:48:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-07-23 03:48:01,704 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:48:01,705 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 12, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:48:01,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 03:48:01,705 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:48:01,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:48:01,705 INFO L85 PathProgramCache]: Analyzing trace with hash -935734757, now seen corresponding path program 1 times [2022-07-23 03:48:01,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:48:01,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832684798] [2022-07-23 03:48:01,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:48:01,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:48:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:48:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:48:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:48:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:48:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:48:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:48:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:48:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:48:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:48:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:48:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:48:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:48:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:48:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:48:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:48:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:48:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:48:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:48:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:48:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:48:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:48:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:48:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:48:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:48:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:48:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:48:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:48:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:48:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:48:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:48:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:48:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 03:48:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 03:48:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:48:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 03:48:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 03:48:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:48:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:48:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:48:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 03:48:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 03:48:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 03:48:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 03:48:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 03:48:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-23 03:48:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-23 03:48:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 03:48:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 03:48:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3283 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3250 trivial. 0 not checked. [2022-07-23 03:48:02,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:48:02,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832684798] [2022-07-23 03:48:02,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832684798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:48:02,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:48:02,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:48:02,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934816290] [2022-07-23 03:48:02,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:48:02,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:48:02,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:48:02,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:48:02,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:48:02,218 INFO L87 Difference]: Start difference. First operand 12288 states and 16927 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-23 03:48:04,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:48:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:48:14,560 INFO L93 Difference]: Finished difference Result 26546 states and 36905 transitions. [2022-07-23 03:48:14,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:48:14,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 438 [2022-07-23 03:48:14,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:48:14,624 INFO L225 Difference]: With dead ends: 26546 [2022-07-23 03:48:14,625 INFO L226 Difference]: Without dead ends: 17328 [2022-07-23 03:48:14,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:48:14,667 INFO L413 NwaCegarLoop]: 7855 mSDtfsCounter, 6673 mSDsluCounter, 6187 mSDsCounter, 0 mSdLazyCounter, 6968 mSolverCounterSat, 4296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7173 SdHoareTripleChecker+Valid, 14042 SdHoareTripleChecker+Invalid, 11264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4296 IncrementalHoareTripleChecker+Valid, 6968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:48:14,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7173 Valid, 14042 Invalid, 11264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4296 Valid, 6968 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-07-23 03:48:14,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17328 states. [2022-07-23 03:48:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17328 to 15324. [2022-07-23 03:48:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15324 states, 10930 states have (on average 1.2741079597438243) internal successors, (13926), 11123 states have internal predecessors, (13926), 3594 states have call successors, (3594), 800 states have call predecessors, (3594), 799 states have return successors, (3590), 3520 states have call predecessors, (3590), 3590 states have call successors, (3590) [2022-07-23 03:48:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15324 states to 15324 states and 21110 transitions. [2022-07-23 03:48:15,416 INFO L78 Accepts]: Start accepts. Automaton has 15324 states and 21110 transitions. Word has length 438 [2022-07-23 03:48:15,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:48:15,417 INFO L495 AbstractCegarLoop]: Abstraction has 15324 states and 21110 transitions. [2022-07-23 03:48:15,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-23 03:48:15,417 INFO L276 IsEmpty]: Start isEmpty. Operand 15324 states and 21110 transitions. [2022-07-23 03:48:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-23 03:48:15,437 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:48:15,438 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:48:15,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 03:48:15,438 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:48:15,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:48:15,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1224683999, now seen corresponding path program 1 times [2022-07-23 03:48:15,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:48:15,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994358986] [2022-07-23 03:48:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:48:15,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:48:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:48:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:48:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:48:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:48:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:48:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:48:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:48:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:48:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:48:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:48:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:48:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:48:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:48:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:48:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:48:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:48:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:48:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:48:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:48:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:48:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:48:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:48:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:48:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:48:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:48:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:48:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:48:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:48:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:48:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:48:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:48:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:48:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:48:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:48:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:48:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:48:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:48:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:48:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:48:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:48:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:48:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 03:48:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 03:48:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3066 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3044 trivial. 0 not checked. [2022-07-23 03:48:16,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:48:16,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994358986] [2022-07-23 03:48:16,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994358986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:48:16,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:48:16,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:48:16,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814817101] [2022-07-23 03:48:16,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:48:16,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:48:16,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:48:16,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:48:16,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:48:16,066 INFO L87 Difference]: Start difference. First operand 15324 states and 21110 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-23 03:48:21,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:48:21,064 INFO L93 Difference]: Finished difference Result 17270 states and 24159 transitions. [2022-07-23 03:48:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:48:21,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 403 [2022-07-23 03:48:21,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:48:21,124 INFO L225 Difference]: With dead ends: 17270 [2022-07-23 03:48:21,125 INFO L226 Difference]: Without dead ends: 17268 [2022-07-23 03:48:21,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:48:21,138 INFO L413 NwaCegarLoop]: 4210 mSDtfsCounter, 5083 mSDsluCounter, 7352 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 1815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5496 SdHoareTripleChecker+Valid, 11562 SdHoareTripleChecker+Invalid, 6311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1815 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:48:21,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5496 Valid, 11562 Invalid, 6311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1815 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 03:48:21,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17268 states. [2022-07-23 03:48:21,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17268 to 15328. [2022-07-23 03:48:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15328 states, 10933 states have (on average 1.2740327449007591) internal successors, (13929), 11126 states have internal predecessors, (13929), 3594 states have call successors, (3594), 801 states have call predecessors, (3594), 800 states have return successors, (3590), 3520 states have call predecessors, (3590), 3590 states have call successors, (3590) [2022-07-23 03:48:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15328 states to 15328 states and 21113 transitions. [2022-07-23 03:48:21,819 INFO L78 Accepts]: Start accepts. Automaton has 15328 states and 21113 transitions. Word has length 403 [2022-07-23 03:48:21,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:48:21,820 INFO L495 AbstractCegarLoop]: Abstraction has 15328 states and 21113 transitions. [2022-07-23 03:48:21,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-23 03:48:21,820 INFO L276 IsEmpty]: Start isEmpty. Operand 15328 states and 21113 transitions. [2022-07-23 03:48:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-23 03:48:21,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:48:21,872 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:48:21,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 03:48:21,872 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:48:21,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:48:21,873 INFO L85 PathProgramCache]: Analyzing trace with hash -335984106, now seen corresponding path program 1 times [2022-07-23 03:48:21,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:48:21,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102188281] [2022-07-23 03:48:21,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:48:21,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:48:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:48:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:48:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:48:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:48:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:48:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:48:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:48:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:48:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:48:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:48:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:48:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:48:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:48:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:48:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:48:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:48:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:48:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:48:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:48:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:48:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:48:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:48:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:48:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:48:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:48:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:48:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:48:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:48:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:48:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:48:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:48:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:48:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:48:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:48:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:48:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:48:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:48:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:48:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:48:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:48:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:48:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 03:48:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 03:48:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 03:48:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3088 trivial. 0 not checked. [2022-07-23 03:48:22,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:48:22,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102188281] [2022-07-23 03:48:22,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102188281] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:48:22,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:48:22,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:48:22,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648538376] [2022-07-23 03:48:22,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:48:22,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:48:22,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:48:22,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:48:22,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:48:22,374 INFO L87 Difference]: Start difference. First operand 15328 states and 21113 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-07-23 03:48:27,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:48:27,484 INFO L93 Difference]: Finished difference Result 17274 states and 24162 transitions. [2022-07-23 03:48:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:48:27,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 408 [2022-07-23 03:48:27,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:48:27,551 INFO L225 Difference]: With dead ends: 17274 [2022-07-23 03:48:27,551 INFO L226 Difference]: Without dead ends: 17270 [2022-07-23 03:48:27,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:48:27,566 INFO L413 NwaCegarLoop]: 4222 mSDtfsCounter, 5075 mSDsluCounter, 7378 mSDsCounter, 0 mSdLazyCounter, 4508 mSolverCounterSat, 1806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5486 SdHoareTripleChecker+Valid, 11600 SdHoareTripleChecker+Invalid, 6314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1806 IncrementalHoareTripleChecker+Valid, 4508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:48:27,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5486 Valid, 11600 Invalid, 6314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1806 Valid, 4508 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-23 03:48:27,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17270 states. [2022-07-23 03:48:28,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17270 to 15330. [2022-07-23 03:48:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15330 states, 10935 states have (on average 1.2738911751257431) internal successors, (13930), 11127 states have internal predecessors, (13930), 3594 states have call successors, (3594), 802 states have call predecessors, (3594), 800 states have return successors, (3590), 3520 states have call predecessors, (3590), 3590 states have call successors, (3590) [2022-07-23 03:48:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15330 states to 15330 states and 21114 transitions. [2022-07-23 03:48:28,380 INFO L78 Accepts]: Start accepts. Automaton has 15330 states and 21114 transitions. Word has length 408 [2022-07-23 03:48:28,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:48:28,381 INFO L495 AbstractCegarLoop]: Abstraction has 15330 states and 21114 transitions. [2022-07-23 03:48:28,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-07-23 03:48:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 15330 states and 21114 transitions. [2022-07-23 03:48:28,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-23 03:48:28,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:48:28,404 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 14, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:48:28,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 03:48:28,404 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:48:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:48:28,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1740237055, now seen corresponding path program 1 times [2022-07-23 03:48:28,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:48:28,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339677787] [2022-07-23 03:48:28,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:48:28,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:48:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:48:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:48:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:48:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:48:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:48:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:48:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:48:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:48:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:48:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:48:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:48:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:48:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:48:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:48:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:48:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:48:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:48:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:48:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:48:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:48:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:48:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:48:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:48:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:48:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:48:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:48:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:48:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 03:48:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:48:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:48:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:48:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 03:48:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 03:48:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:48:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:48:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 03:48:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 03:48:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:48:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:48:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:48:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:48:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:48:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 03:48:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 03:48:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 03:48:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 03:48:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:48:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3136 trivial. 0 not checked. [2022-07-23 03:48:29,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:48:29,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339677787] [2022-07-23 03:48:29,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339677787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:48:29,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:48:29,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:48:29,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213613711] [2022-07-23 03:48:29,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:48:29,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:48:29,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:48:29,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:48:29,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:48:29,010 INFO L87 Difference]: Start difference. First operand 15330 states and 21114 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-23 03:48:34,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:48:34,777 INFO L93 Difference]: Finished difference Result 17270 states and 24158 transitions. [2022-07-23 03:48:34,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:48:34,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 413 [2022-07-23 03:48:34,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:48:34,789 INFO L225 Difference]: With dead ends: 17270 [2022-07-23 03:48:34,789 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 03:48:34,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:48:34,816 INFO L413 NwaCegarLoop]: 4168 mSDtfsCounter, 5114 mSDsluCounter, 7272 mSDsCounter, 0 mSdLazyCounter, 4491 mSolverCounterSat, 1813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5529 SdHoareTripleChecker+Valid, 11440 SdHoareTripleChecker+Invalid, 6304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1813 IncrementalHoareTripleChecker+Valid, 4491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:48:34,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5529 Valid, 11440 Invalid, 6304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1813 Valid, 4491 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-23 03:48:34,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 03:48:34,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 03:48:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 03:48:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 03:48:34,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 413 [2022-07-23 03:48:34,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:48:34,820 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 03:48:34,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-23 03:48:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 03:48:34,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 03:48:34,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 03:48:34,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 03:48:34,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-23 03:49:23,933 WARN L233 SmtUtils]: Spent 49.00s on a formula simplification. DAG size of input: 97 DAG size of output: 95 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)