./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-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa --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 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:58:42,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:58:42,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:58:42,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:58:42,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:58:42,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:58:42,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:58:42,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:58:42,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:58:42,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:58:42,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:58:42,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:58:42,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:58:42,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:58:42,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:58:42,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:58:42,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:58:42,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:58:42,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:58:42,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:58:42,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:58:42,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:58:42,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:58:42,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:58:42,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:58:42,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:58:42,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:58:42,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:58:42,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:58:42,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:58:42,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:58:42,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:58:42,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:58:42,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:58:42,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:58:42,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:58:42,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:58:42,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:58:42,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:58:42,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:58:42,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:58:42,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 17:58:42,505 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:58:42,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:58:42,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:58:42,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:58:42,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:58:42,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:58:42,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:58:42,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:58:42,507 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:58:42,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:58:42,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:58:42,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:58:42,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:58:42,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:58:42,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:58:42,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:58:42,509 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:58:42,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:58:42,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:58:42,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:58:42,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:58:42,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:58:42,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:58:42,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:58:42,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:58:42,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:58:42,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:58:42,510 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:58:42,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:58:42,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:58:42,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:58:42,511 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2021-12-06 17:58:42,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:58:42,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:58:42,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:58:42,731 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:58:42,732 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:58:42,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-06 17:58:42,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/data/b94358241/92fae2fca1ee44928c4099bfc4d5c702/FLAG73ed1de1b [2021-12-06 17:58:43,507 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:58:43,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-06 17:58:43,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/data/b94358241/92fae2fca1ee44928c4099bfc4d5c702/FLAG73ed1de1b [2021-12-06 17:58:43,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/data/b94358241/92fae2fca1ee44928c4099bfc4d5c702 [2021-12-06 17:58:43,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:58:43,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:58:43,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:58:43,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:58:43,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:58:43,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:58:43" (1/1) ... [2021-12-06 17:58:43,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b04cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:43, skipping insertion in model container [2021-12-06 17:58:43,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:58:43" (1/1) ... [2021-12-06 17:58:43,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:58:43,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:58:47,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2021-12-06 17:58:47,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2021-12-06 17:58:47,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2021-12-06 17:58:47,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2021-12-06 17:58:47,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:58:47,304 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:58:47,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2021-12-06 17:58:47,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2021-12-06 17:58:47,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2021-12-06 17:58:47,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2021-12-06 17:58:47,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:58:47,991 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:58:47,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47 WrapperNode [2021-12-06 17:58:47,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:58:47,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:58:47,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:58:47,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:58:47,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,366 INFO L137 Inliner]: procedures = 567, calls = 5326, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 11363 [2021-12-06 17:58:48,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:58:48,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:58:48,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:58:48,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:58:48,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:58:48,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:58:48,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:58:48,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:58:48,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (1/1) ... [2021-12-06 17:58:48,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:58:48,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:58:48,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:58:48,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cd1d4d-cc43-4cb7-973e-499c42f61ae3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:58:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-06 17:58:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-06 17:58:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-12-06 17:58:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-12-06 17:58:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 17:58:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 17:58:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 17:58:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 17:58:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-06 17:58:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-06 17:58:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 17:58:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 17:58:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-06 17:58:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-06 17:58:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-06 17:58:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-06 17:58:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 17:58:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 17:58:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 17:58:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 17:58:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 17:58:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 17:58:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 17:58:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 17:58:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-06 17:58:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-06 17:58:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 17:58:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 17:58:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-06 17:58:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-06 17:58:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-06 17:58:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-06 17:58:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-06 17:58:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-06 17:58:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 17:58:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 17:58:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-06 17:58:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-06 17:58:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 17:58:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 17:58:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 17:58:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 17:58:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 17:58:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 17:58:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-06 17:58:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-06 17:58:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 17:58:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 17:58:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-06 17:58:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-06 17:58:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 17:58:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 17:58:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 17:58:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 17:58:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 17:58:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 17:58:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 17:58:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 17:58:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:58:48,715 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-06 17:58:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-06 17:58:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2021-12-06 17:58:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2021-12-06 17:58:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-12-06 17:58:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-12-06 17:58:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-06 17:58:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-06 17:58:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-06 17:58:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-06 17:58:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 17:58:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 17:58:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-06 17:58:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-06 17:58:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-06 17:58:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-06 17:58:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-12-06 17:58:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-12-06 17:58:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 17:58:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-12-06 17:58:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-12-06 17:58:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-06 17:58:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-06 17:58:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 17:58:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 17:58:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 17:58:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 17:58:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 17:58:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 17:58:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 17:58:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:58:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-06 17:58:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-06 17:58:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 17:58:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 17:58:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 17:58:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 17:58:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 17:58:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 17:58:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 17:58:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 17:58:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 17:58:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 17:58:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-12-06 17:58:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-12-06 17:58:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 17:58:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 17:58:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 17:58:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 17:58:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-06 17:58:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-06 17:58:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-06 17:58:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-06 17:58:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 17:58:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 17:58:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:58:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 17:58:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 17:58:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 17:58:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 17:58:48,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 17:58:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 17:58:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 17:58:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 17:58:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:58:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 17:58:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 17:58:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 17:58:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 17:58:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:58:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-06 17:58:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-06 17:58:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-06 17:58:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-06 17:58:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-06 17:58:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-06 17:58:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:58:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:58:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-06 17:58:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-06 17:58:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 17:58:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 17:58:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 17:58:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 17:58:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 17:58:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 17:58:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 17:58:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 17:58:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-06 17:58:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-06 17:58:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 17:58:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 17:58:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-06 17:58:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-06 17:58:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:58:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:58:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-12-06 17:58:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-12-06 17:58:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 17:58:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 17:58:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 17:58:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 17:58:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-06 17:58:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-06 17:58:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 17:58:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 17:58:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 17:58:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 17:58:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-06 17:58:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-06 17:58:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 17:58:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 17:58:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-06 17:58:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-06 17:58:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-06 17:58:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-06 17:58:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 17:58:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 17:58:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-06 17:58:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-06 17:58:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-06 17:58:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-06 17:58:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 17:58:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 17:58:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-06 17:58:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-06 17:58:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-06 17:58:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-06 17:58:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 17:58:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 17:58:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 17:58:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 17:58:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-12-06 17:58:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-12-06 17:58:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-06 17:58:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-06 17:58:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 17:58:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 17:58:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:58:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-06 17:58:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-06 17:58:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 17:58:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 17:58:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:58:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-06 17:58:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-06 17:58:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-06 17:58:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-06 17:58:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-06 17:58:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-06 17:58:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:58:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-06 17:58:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-06 17:58:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-06 17:58:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-06 17:58:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-06 17:58:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-06 17:58:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 17:58:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 17:58:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 17:58:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 17:58:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-12-06 17:58:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-12-06 17:58:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 17:58:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 17:58:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 17:58:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 17:58:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-06 17:58:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-06 17:58:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-06 17:58:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-06 17:58:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-06 17:58:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-06 17:58:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-12-06 17:58:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-12-06 17:58:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 17:58:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 17:58:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 17:58:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 17:58:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 17:58:48,732 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 17:58:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2021-12-06 17:58:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2021-12-06 17:58:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 17:58:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 17:58:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 17:58:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 17:58:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:58:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-06 17:58:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-06 17:58:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 17:58:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 17:58:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2021-12-06 17:58:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2021-12-06 17:58:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-06 17:58:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-06 17:58:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-06 17:58:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-06 17:58:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 17:58:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 17:58:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-12-06 17:58:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-12-06 17:58:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 17:58:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 17:58:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 17:58:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 17:58:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 17:58:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 17:58:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 17:58:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 17:58:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-06 17:58:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-06 17:58:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-06 17:58:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-06 17:58:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 17:58:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 17:58:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-06 17:58:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-06 17:58:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:58:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-12-06 17:58:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-12-06 17:58:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 17:58:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 17:58:49,381 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:58:49,384 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:58:50,166 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 17:58:55,772 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 17:58:55,851 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:58:55,877 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:58:55,877 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:58:55,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:55 BoogieIcfgContainer [2021-12-06 17:58:55,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:58:55,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:58:55,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:58:55,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:58:55,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:58:43" (1/3) ... [2021-12-06 17:58:55,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c20968b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:58:55, skipping insertion in model container [2021-12-06 17:58:55,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:58:47" (2/3) ... [2021-12-06 17:58:55,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c20968b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:58:55, skipping insertion in model container [2021-12-06 17:58:55,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:55" (3/3) ... [2021-12-06 17:58:55,887 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-06 17:58:55,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:58:55,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 17:58:55,941 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:58:55,946 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:58:55,946 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 17:58:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 3485 states, 2400 states have (on average 1.3654166666666667) internal successors, (3277), 2501 states have internal predecessors, (3277), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) [2021-12-06 17:58:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-06 17:58:56,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:58:56,043 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:58:56,044 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 17:58:56,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:58:56,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1591897182, now seen corresponding path program 1 times [2021-12-06 17:58:56,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:58:56,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961745671] [2021-12-06 17:58:56,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:58:56,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:58:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:58:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:58:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:58:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:58:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:58:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:58:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:58:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:58:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:58:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:58:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:58:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:58:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:58:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:58:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:58:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-06 17:58:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:58:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-06 17:58:56,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:58:56,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961745671] [2021-12-06 17:58:56,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961745671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:58:56,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:58:56,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:58:56,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150437244] [2021-12-06 17:58:56,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:58:56,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:58:56,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:58:56,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:58:56,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:58:56,941 INFO L87 Difference]: Start difference. First operand has 3485 states, 2400 states have (on average 1.3654166666666667) internal successors, (3277), 2501 states have internal predecessors, (3277), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 17:59:02,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:02,226 INFO L93 Difference]: Finished difference Result 10459 states and 15819 transitions. [2021-12-06 17:59:02,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:59:02,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2021-12-06 17:59:02,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:02,282 INFO L225 Difference]: With dead ends: 10459 [2021-12-06 17:59:02,282 INFO L226 Difference]: Without dead ends: 6994 [2021-12-06 17:59:02,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:59:02,324 INFO L933 BasicCegarLoop]: 5635 mSDtfsCounter, 5610 mSDsluCounter, 6882 mSDsCounter, 0 mSdLazyCounter, 2746 mSolverCounterSat, 2554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6469 SdHoareTripleChecker+Valid, 12517 SdHoareTripleChecker+Invalid, 5300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2554 IncrementalHoareTripleChecker+Valid, 2746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:02,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6469 Valid, 12517 Invalid, 5300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2554 Valid, 2746 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-06 17:59:02,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6994 states. [2021-12-06 17:59:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6994 to 6812. [2021-12-06 17:59:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 4709 states have (on average 1.3641962200042472) internal successors, (6424), 4908 states have internal predecessors, (6424), 1840 states have call successors, (1840), 261 states have call predecessors, (1840), 260 states have return successors, (1836), 1746 states have call predecessors, (1836), 1836 states have call successors, (1836) [2021-12-06 17:59:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10100 transitions. [2021-12-06 17:59:02,984 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 10100 transitions. Word has length 171 [2021-12-06 17:59:02,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:02,986 INFO L470 AbstractCegarLoop]: Abstraction has 6812 states and 10100 transitions. [2021-12-06 17:59:02,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 17:59:02,986 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 10100 transitions. [2021-12-06 17:59:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-06 17:59:02,994 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:02,994 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:02,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:59:02,994 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 17:59:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:02,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1866524445, now seen corresponding path program 1 times [2021-12-06 17:59:02,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:59:02,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396513408] [2021-12-06 17:59:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:02,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:59:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:59:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:59:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:59:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:59:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:59:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:59:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:59:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:59:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:59:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:59:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:59:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:59:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:59:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:59:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 17:59:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-06 17:59:03,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:59:03,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396513408] [2021-12-06 17:59:03,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396513408] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:03,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:03,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:59:03,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088966654] [2021-12-06 17:59:03,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:03,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:59:03,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:59:03,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:59:03,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:59:03,536 INFO L87 Difference]: Start difference. First operand 6812 states and 10100 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 17:59:07,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:07,762 INFO L93 Difference]: Finished difference Result 14880 states and 22109 transitions. [2021-12-06 17:59:07,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:59:07,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2021-12-06 17:59:07,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:07,810 INFO L225 Difference]: With dead ends: 14880 [2021-12-06 17:59:07,810 INFO L226 Difference]: Without dead ends: 8099 [2021-12-06 17:59:07,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:59:07,834 INFO L933 BasicCegarLoop]: 5379 mSDtfsCounter, 3972 mSDsluCounter, 6836 mSDsCounter, 0 mSdLazyCounter, 2501 mSolverCounterSat, 2098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4617 SdHoareTripleChecker+Valid, 12215 SdHoareTripleChecker+Invalid, 4599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2098 IncrementalHoareTripleChecker+Valid, 2501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:07,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4617 Valid, 12215 Invalid, 4599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2098 Valid, 2501 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-06 17:59:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2021-12-06 17:59:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 7862. [2021-12-06 17:59:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7862 states, 5422 states have (on average 1.364256731833272) internal successors, (7397), 5640 states have internal predecessors, (7397), 2126 states have call successors, (2126), 313 states have call predecessors, (2126), 311 states have return successors, (2122), 2022 states have call predecessors, (2122), 2122 states have call successors, (2122) [2021-12-06 17:59:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 11645 transitions. [2021-12-06 17:59:08,204 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 11645 transitions. Word has length 180 [2021-12-06 17:59:08,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:08,205 INFO L470 AbstractCegarLoop]: Abstraction has 7862 states and 11645 transitions. [2021-12-06 17:59:08,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 17:59:08,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 11645 transitions. [2021-12-06 17:59:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-06 17:59:08,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:08,210 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:08,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:59:08,210 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 17:59:08,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:08,211 INFO L85 PathProgramCache]: Analyzing trace with hash -971306681, now seen corresponding path program 1 times [2021-12-06 17:59:08,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:59:08,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70997247] [2021-12-06 17:59:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:08,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:59:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:59:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:59:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:59:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:59:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:59:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:59:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:59:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:59:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:59:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:59:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:59:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:59:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:59:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:59:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 17:59:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-06 17:59:08,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:59:08,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70997247] [2021-12-06 17:59:08,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70997247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:08,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:08,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:59:08,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781768783] [2021-12-06 17:59:08,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:08,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:59:08,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:59:08,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:59:08,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:59:08,556 INFO L87 Difference]: Start difference. First operand 7862 states and 11645 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 17:59:12,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:12,804 INFO L93 Difference]: Finished difference Result 20694 states and 30718 transitions. [2021-12-06 17:59:12,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:59:12,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 181 [2021-12-06 17:59:12,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:12,873 INFO L225 Difference]: With dead ends: 20694 [2021-12-06 17:59:12,873 INFO L226 Difference]: Without dead ends: 12863 [2021-12-06 17:59:12,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:59:12,898 INFO L933 BasicCegarLoop]: 5591 mSDtfsCounter, 5355 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 2749 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6191 SdHoareTripleChecker+Valid, 12433 SdHoareTripleChecker+Invalid, 5319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 2749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:12,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6191 Valid, 12433 Invalid, 5319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 2749 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-06 17:59:12,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12863 states. [2021-12-06 17:59:13,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12863 to 12512. [2021-12-06 17:59:13,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12512 states, 8597 states have (on average 1.364196812841689) internal successors, (11728), 8952 states have internal predecessors, (11728), 3404 states have call successors, (3404), 506 states have call predecessors, (3404), 508 states have return successors, (3417), 3227 states have call predecessors, (3417), 3400 states have call successors, (3417) [2021-12-06 17:59:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12512 states to 12512 states and 18549 transitions. [2021-12-06 17:59:13,483 INFO L78 Accepts]: Start accepts. Automaton has 12512 states and 18549 transitions. Word has length 181 [2021-12-06 17:59:13,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:13,484 INFO L470 AbstractCegarLoop]: Abstraction has 12512 states and 18549 transitions. [2021-12-06 17:59:13,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 17:59:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 12512 states and 18549 transitions. [2021-12-06 17:59:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-06 17:59:13,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:13,487 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:13,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:59:13,487 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 17:59:13,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:13,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1349082925, now seen corresponding path program 1 times [2021-12-06 17:59:13,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:59:13,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669076244] [2021-12-06 17:59:13,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:13,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:59:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:59:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:59:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:59:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:59:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:59:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:59:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:59:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:59:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:59:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:59:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:59:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:59:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:59:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:59:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-06 17:59:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 17:59:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-06 17:59:13,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:59:13,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669076244] [2021-12-06 17:59:13,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669076244] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:13,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:13,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:59:13,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321186632] [2021-12-06 17:59:13,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:13,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:59:13,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:59:13,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:59:13,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:59:13,926 INFO L87 Difference]: Start difference. First operand 12512 states and 18549 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-06 17:59:22,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:22,201 INFO L93 Difference]: Finished difference Result 46520 states and 68972 transitions. [2021-12-06 17:59:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:59:22,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2021-12-06 17:59:22,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:22,314 INFO L225 Difference]: With dead ends: 46520 [2021-12-06 17:59:22,314 INFO L226 Difference]: Without dead ends: 34039 [2021-12-06 17:59:22,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:59:22,354 INFO L933 BasicCegarLoop]: 6237 mSDtfsCounter, 10413 mSDsluCounter, 13664 mSDsCounter, 0 mSdLazyCounter, 10129 mSolverCounterSat, 4364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11956 SdHoareTripleChecker+Valid, 19901 SdHoareTripleChecker+Invalid, 14493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4364 IncrementalHoareTripleChecker+Valid, 10129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:22,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11956 Valid, 19901 Invalid, 14493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4364 Valid, 10129 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-06 17:59:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34039 states. [2021-12-06 17:59:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34039 to 33060. [2021-12-06 17:59:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33060 states, 22731 states have (on average 1.3630284633320136) internal successors, (30983), 23706 states have internal predecessors, (30983), 8959 states have call successors, (8959), 1359 states have call predecessors, (8959), 1367 states have return successors, (9006), 8465 states have call predecessors, (9006), 8955 states have call successors, (9006) [2021-12-06 17:59:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33060 states to 33060 states and 48948 transitions. [2021-12-06 17:59:23,844 INFO L78 Accepts]: Start accepts. Automaton has 33060 states and 48948 transitions. Word has length 188 [2021-12-06 17:59:23,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:23,845 INFO L470 AbstractCegarLoop]: Abstraction has 33060 states and 48948 transitions. [2021-12-06 17:59:23,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-06 17:59:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 33060 states and 48948 transitions. [2021-12-06 17:59:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-06 17:59:23,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:23,848 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:23,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:59:23,849 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 17:59:23,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:23,849 INFO L85 PathProgramCache]: Analyzing trace with hash -392155911, now seen corresponding path program 1 times [2021-12-06 17:59:23,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:59:23,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939090298] [2021-12-06 17:59:23,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:23,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:59:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:59:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:59:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:59:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:59:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:59:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:59:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:59:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:59:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:59:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:59:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:59:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:59:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:59:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:59:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-06 17:59:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 17:59:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 17:59:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-06 17:59:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-06 17:59:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-06 17:59:24,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:59:24,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939090298] [2021-12-06 17:59:24,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939090298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:24,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:24,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:59:24,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199400872] [2021-12-06 17:59:24,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:24,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:59:24,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:59:24,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:59:24,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:59:24,199 INFO L87 Difference]: Start difference. First operand 33060 states and 48948 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-06 17:59:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:28,946 INFO L93 Difference]: Finished difference Result 95901 states and 142006 transitions. [2021-12-06 17:59:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:59:28,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2021-12-06 17:59:28,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:29,244 INFO L225 Difference]: With dead ends: 95901 [2021-12-06 17:59:29,244 INFO L226 Difference]: Without dead ends: 62872 [2021-12-06 17:59:29,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:59:29,339 INFO L933 BasicCegarLoop]: 6155 mSDtfsCounter, 5565 mSDsluCounter, 7220 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 2495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6418 SdHoareTripleChecker+Valid, 13375 SdHoareTripleChecker+Invalid, 5231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2495 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:29,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6418 Valid, 13375 Invalid, 5231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2495 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-06 17:59:29,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62872 states. [2021-12-06 17:59:31,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62872 to 61104. [2021-12-06 17:59:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61104 states, 42047 states have (on average 1.360311080457583) internal successors, (57197), 43860 states have internal predecessors, (57197), 16485 states have call successors, (16485), 2579 states have call predecessors, (16485), 2569 states have return successors, (16586), 15527 states have call predecessors, (16586), 16481 states have call successors, (16586) [2021-12-06 17:59:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61104 states to 61104 states and 90268 transitions. [2021-12-06 17:59:31,812 INFO L78 Accepts]: Start accepts. Automaton has 61104 states and 90268 transitions. Word has length 196 [2021-12-06 17:59:31,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:31,813 INFO L470 AbstractCegarLoop]: Abstraction has 61104 states and 90268 transitions. [2021-12-06 17:59:31,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-06 17:59:31,813 INFO L276 IsEmpty]: Start isEmpty. Operand 61104 states and 90268 transitions. [2021-12-06 17:59:31,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-06 17:59:31,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:31,816 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:31,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:59:31,816 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 17:59:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:31,816 INFO L85 PathProgramCache]: Analyzing trace with hash -641382590, now seen corresponding path program 1 times [2021-12-06 17:59:31,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:59:31,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637572235] [2021-12-06 17:59:31,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:31,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:59:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:59:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:59:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:59:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:59:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:59:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:59:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:59:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:59:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:59:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:59:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:59:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:59:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:59:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:59:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-06 17:59:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:59:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 17:59:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-06 17:59:32,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:59:32,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637572235] [2021-12-06 17:59:32,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637572235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:32,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:32,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:59:32,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140975067] [2021-12-06 17:59:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:32,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:59:32,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:59:32,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:59:32,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:59:32,160 INFO L87 Difference]: Start difference. First operand 61104 states and 90268 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 17:59:38,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:38,580 INFO L93 Difference]: Finished difference Result 185488 states and 274406 transitions. [2021-12-06 17:59:38,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:59:38,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2021-12-06 17:59:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:39,058 INFO L225 Difference]: With dead ends: 185488 [2021-12-06 17:59:39,058 INFO L226 Difference]: Without dead ends: 124415 [2021-12-06 17:59:39,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:59:39,195 INFO L933 BasicCegarLoop]: 5673 mSDtfsCounter, 5614 mSDsluCounter, 6916 mSDsCounter, 0 mSdLazyCounter, 2751 mSolverCounterSat, 2593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 12589 SdHoareTripleChecker+Invalid, 5344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2593 IncrementalHoareTripleChecker+Valid, 2751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:39,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6476 Valid, 12589 Invalid, 5344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2593 Valid, 2751 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-06 17:59:39,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124415 states. [2021-12-06 17:59:43,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124415 to 120905. [2021-12-06 17:59:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120905 states, 83230 states have (on average 1.3603027754415475) internal successors, (113218), 86855 states have internal predecessors, (113218), 32585 states have call successors, (32585), 5106 states have call predecessors, (32585), 5087 states have return successors, (32788), 30663 states have call predecessors, (32788), 32581 states have call successors, (32788) [2021-12-06 17:59:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120905 states to 120905 states and 178591 transitions. [2021-12-06 17:59:44,587 INFO L78 Accepts]: Start accepts. Automaton has 120905 states and 178591 transitions. Word has length 194 [2021-12-06 17:59:44,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:59:44,587 INFO L470 AbstractCegarLoop]: Abstraction has 120905 states and 178591 transitions. [2021-12-06 17:59:44,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 17:59:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 120905 states and 178591 transitions. [2021-12-06 17:59:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-06 17:59:44,589 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:59:44,590 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:59:44,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 17:59:44,590 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 17:59:44,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:59:44,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1952882683, now seen corresponding path program 1 times [2021-12-06 17:59:44,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:59:44,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715209066] [2021-12-06 17:59:44,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:59:44,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:59:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:59:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:59:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:59:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:44,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:59:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:59:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:59:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:59:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:59:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:59:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:59:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:59:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:59:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:59:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:59:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:59:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:59:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:59:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 17:59:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:59:45,102 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-06 17:59:45,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:59:45,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715209066] [2021-12-06 17:59:45,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715209066] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:59:45,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:59:45,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:59:45,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513296783] [2021-12-06 17:59:45,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:59:45,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:59:45,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:59:45,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:59:45,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:59:45,103 INFO L87 Difference]: Start difference. First operand 120905 states and 178591 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 17:59:53,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:59:53,412 INFO L93 Difference]: Finished difference Result 360526 states and 534971 transitions. [2021-12-06 17:59:53,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:59:53,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2021-12-06 17:59:53,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:59:54,418 INFO L225 Difference]: With dead ends: 360526 [2021-12-06 17:59:54,418 INFO L226 Difference]: Without dead ends: 239652 [2021-12-06 17:59:54,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:59:54,691 INFO L933 BasicCegarLoop]: 5823 mSDtfsCounter, 5566 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 2697 mSolverCounterSat, 2540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6406 SdHoareTripleChecker+Valid, 12741 SdHoareTripleChecker+Invalid, 5237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2540 IncrementalHoareTripleChecker+Valid, 2697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:59:54,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6406 Valid, 12741 Invalid, 5237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2540 Valid, 2697 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-06 17:59:54,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239652 states. [2021-12-06 18:00:03,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239652 to 233522. [2021-12-06 18:00:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233522 states, 161056 states have (on average 1.3641404232068348) internal successors, (219703), 168128 states have internal predecessors, (219703), 62646 states have call successors, (62646), 9878 states have call predecessors, (62646), 9817 states have return successors, (64182), 58781 states have call predecessors, (64182), 62642 states have call successors, (64182) [2021-12-06 18:00:04,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233522 states to 233522 states and 346531 transitions. [2021-12-06 18:00:04,743 INFO L78 Accepts]: Start accepts. Automaton has 233522 states and 346531 transitions. Word has length 194 [2021-12-06 18:00:04,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:04,744 INFO L470 AbstractCegarLoop]: Abstraction has 233522 states and 346531 transitions. [2021-12-06 18:00:04,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 18:00:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 233522 states and 346531 transitions. [2021-12-06 18:00:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-06 18:00:04,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:04,746 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 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] [2021-12-06 18:00:04,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 18:00:04,746 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:00:04,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:04,747 INFO L85 PathProgramCache]: Analyzing trace with hash -963125215, now seen corresponding path program 1 times [2021-12-06 18:00:04,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:04,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381752641] [2021-12-06 18:00:04,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:04,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:00:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:00:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:00:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:00:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:00:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:00:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:00:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:00:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:00:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:00:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:00:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:00:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:00:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 18:00:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 18:00:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 18:00:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:00:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 18:00:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2021-12-06 18:00:05,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:05,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381752641] [2021-12-06 18:00:05,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381752641] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:05,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:05,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:00:05,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375992434] [2021-12-06 18:00:05,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:05,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:00:05,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:05,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:00:05,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:00:05,155 INFO L87 Difference]: Start difference. First operand 233522 states and 346531 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-06 18:00:18,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:18,947 INFO L93 Difference]: Finished difference Result 708540 states and 1052728 transitions. [2021-12-06 18:00:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:00:18,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 199 [2021-12-06 18:00:18,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:20,807 INFO L225 Difference]: With dead ends: 708540 [2021-12-06 18:00:20,807 INFO L226 Difference]: Without dead ends: 475049 [2021-12-06 18:00:21,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:00:21,427 INFO L933 BasicCegarLoop]: 5690 mSDtfsCounter, 5615 mSDsluCounter, 6928 mSDsCounter, 0 mSdLazyCounter, 2751 mSolverCounterSat, 2597 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 12618 SdHoareTripleChecker+Invalid, 5348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2597 IncrementalHoareTripleChecker+Valid, 2751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:21,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6476 Valid, 12618 Invalid, 5348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2597 Valid, 2751 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-06 18:00:21,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475049 states. [2021-12-06 18:00:39,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475049 to 463038. [2021-12-06 18:00:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463038 states, 319614 states have (on average 1.3639014561314586) internal successors, (435922), 333717 states have internal predecessors, (435922), 123913 states have call successors, (123913), 19629 states have call predecessors, (123913), 19508 states have return successors, (126784), 116214 states have call predecessors, (126784), 123909 states have call successors, (126784) [2021-12-06 18:00:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463038 states to 463038 states and 686619 transitions. [2021-12-06 18:00:42,504 INFO L78 Accepts]: Start accepts. Automaton has 463038 states and 686619 transitions. Word has length 199 [2021-12-06 18:00:42,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:42,505 INFO L470 AbstractCegarLoop]: Abstraction has 463038 states and 686619 transitions. [2021-12-06 18:00:42,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-06 18:00:42,505 INFO L276 IsEmpty]: Start isEmpty. Operand 463038 states and 686619 transitions. [2021-12-06 18:00:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-06 18:00:42,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:42,507 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 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] [2021-12-06 18:00:42,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 18:00:42,508 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:00:42,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1298971704, now seen corresponding path program 1 times [2021-12-06 18:00:42,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:42,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903608887] [2021-12-06 18:00:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:42,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:00:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:00:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:00:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:00:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:00:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:00:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:00:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:00:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:00:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:00:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:00:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:00:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:00:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:00:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 18:00:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 18:00:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 18:00:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 18:00:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 18:00:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-06 18:00:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2021-12-06 18:00:42,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:42,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903608887] [2021-12-06 18:00:42,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903608887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:42,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:42,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:00:42,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227264488] [2021-12-06 18:00:42,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:42,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:00:42,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:42,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:00:42,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:00:42,838 INFO L87 Difference]: Start difference. First operand 463038 states and 686619 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-06 18:01:07,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:07,533 INFO L93 Difference]: Finished difference Result 1407684 states and 2089685 transitions. [2021-12-06 18:01:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:01:07,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 208 [2021-12-06 18:01:07,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:12,137 INFO L225 Difference]: With dead ends: 1407684 [2021-12-06 18:01:12,137 INFO L226 Difference]: Without dead ends: 944677 [2021-12-06 18:01:13,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:01:13,665 INFO L933 BasicCegarLoop]: 5717 mSDtfsCounter, 5616 mSDsluCounter, 6948 mSDsCounter, 0 mSdLazyCounter, 2750 mSolverCounterSat, 2589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 12665 SdHoareTripleChecker+Invalid, 5339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2589 IncrementalHoareTripleChecker+Valid, 2750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:13,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6477 Valid, 12665 Invalid, 5339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2589 Valid, 2750 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-06 18:01:14,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944677 states. [2021-12-06 18:01:50,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944677 to 920690. [2021-12-06 18:01:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920690 states, 635899 states have (on average 1.3632998322060579) internal successors, (866921), 664114 states have internal predecessors, (866921), 245945 states have call successors, (245945), 39084 states have call predecessors, (245945), 38843 states have return successors, (251345), 230528 states have call predecessors, (251345), 245941 states have call successors, (251345) [2021-12-06 18:01:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920690 states to 920690 states and 1364211 transitions. [2021-12-06 18:01:56,735 INFO L78 Accepts]: Start accepts. Automaton has 920690 states and 1364211 transitions. Word has length 208 [2021-12-06 18:01:56,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:56,735 INFO L470 AbstractCegarLoop]: Abstraction has 920690 states and 1364211 transitions. [2021-12-06 18:01:56,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-06 18:01:56,736 INFO L276 IsEmpty]: Start isEmpty. Operand 920690 states and 1364211 transitions. [2021-12-06 18:01:56,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-06 18:01:56,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:56,738 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 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] [2021-12-06 18:01:56,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 18:01:56,738 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:01:56,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:56,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1351271508, now seen corresponding path program 1 times [2021-12-06 18:01:56,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:56,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415701350] [2021-12-06 18:01:56,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:56,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:01:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:01:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:01:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:01:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:01:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:01:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:01:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:01:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:01:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:01:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:01:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:01:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:01:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:01:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 18:01:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 18:01:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-06 18:01:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 18:01:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 18:01:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 18:01:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:57,032 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2021-12-06 18:01:57,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:57,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415701350] [2021-12-06 18:01:57,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415701350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:57,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:57,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:01:57,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599894708] [2021-12-06 18:01:57,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:57,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:01:57,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:57,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:01:57,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:57,034 INFO L87 Difference]: Start difference. First operand 920690 states and 1364211 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)