./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-marvell-sky2.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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/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 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:42:31,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:42:31,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:42:31,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:42:31,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:42:31,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:42:31,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:42:31,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:42:31,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:42:31,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:42:31,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:42:31,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:42:31,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:42:31,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:42:31,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:42:31,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:42:31,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:42:31,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:42:31,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:42:31,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:42:31,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:42:31,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:42:31,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:42:31,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:42:31,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:42:31,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:42:31,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:42:31,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:42:31,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:42:31,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:42:31,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:42:31,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:42:31,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:42:31,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:42:31,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:42:31,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:42:31,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:42:31,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:42:31,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:42:31,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:42:31,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:42:31,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 19:42:31,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:42:31,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:42:31,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:42:31,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:42:31,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:42:31,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:42:31,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:42:31,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:42:31,823 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:42:31,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:42:31,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:42:31,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:42:31,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:42:31,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:42:31,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:42:31,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:42:31,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:42:31,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:42:31,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:42:31,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:42:31,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:42:31,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:42:31,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:42:31,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:42:31,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:42:31,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:42:31,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:42:31,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:42:31,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:42:31,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:42:31,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:42:31,827 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 [2021-12-06 19:42:32,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:42:32,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:42:32,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:42:32,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:42:32,040 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:42:32,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-06 19:42:32,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/data/3e7fc04dc/0be6f448365a4a76b63705f6f4cf54c9/FLAGaea2a4c29 [2021-12-06 19:42:32,746 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:42:32,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-06 19:42:32,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/data/3e7fc04dc/0be6f448365a4a76b63705f6f4cf54c9/FLAGaea2a4c29 [2021-12-06 19:42:33,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/data/3e7fc04dc/0be6f448365a4a76b63705f6f4cf54c9 [2021-12-06 19:42:33,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:42:33,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:42:33,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:42:33,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:42:33,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:42:33,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:42:33" (1/1) ... [2021-12-06 19:42:33,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c46bc50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:33, skipping insertion in model container [2021-12-06 19:42:33,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:42:33" (1/1) ... [2021-12-06 19:42:33,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:42:33,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:42:38,260 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2021-12-06 19:42:38,262 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2021-12-06 19:42:38,262 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2021-12-06 19:42:38,263 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2021-12-06 19:42:38,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:42:38,350 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:42:38,901 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2021-12-06 19:42:38,902 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2021-12-06 19:42:38,903 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2021-12-06 19:42:38,903 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_763adabd-3245-4f9c-8ad2-011aa3a8d31f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2021-12-06 19:42:38,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:42:39,334 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:42:39,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39 WrapperNode [2021-12-06 19:42:39,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:42:39,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:42:39,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:42:39,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:42:39,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:39,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:39,726 INFO L137 Inliner]: procedures = 824, calls = 5679, calls flagged for inlining = 430, calls inlined = 371, statements flattened = 11405 [2021-12-06 19:42:39,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:42:39,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:42:39,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:42:39,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:42:39,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:39,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:39,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:39,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:39,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:39,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:40,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:40,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:42:40,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:42:40,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:42:40,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:42:40,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (1/1) ... [2021-12-06 19:42:40,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:42:40,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:42:40,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:42:40,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763adabd-3245-4f9c-8ad2-011aa3a8d31f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:42:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 19:42:40,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 19:42:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2021-12-06 19:42:40,203 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2021-12-06 19:42:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2021-12-06 19:42:40,203 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2021-12-06 19:42:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2021-12-06 19:42:40,203 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2021-12-06 19:42:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 19:42:40,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 19:42:40,203 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2021-12-06 19:42:40,203 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2021-12-06 19:42:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2021-12-06 19:42:40,204 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2021-12-06 19:42:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 19:42:40,204 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 19:42:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-06 19:42:40,204 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-06 19:42:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 19:42:40,204 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 19:42:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2021-12-06 19:42:40,204 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2021-12-06 19:42:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 19:42:40,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 19:42:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-06 19:42:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-06 19:42:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-12-06 19:42:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-12-06 19:42:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 19:42:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 19:42:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 19:42:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 19:42:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2021-12-06 19:42:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2021-12-06 19:42:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 19:42:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 19:42:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 19:42:40,206 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 19:42:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-06 19:42:40,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-06 19:42:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2021-12-06 19:42:40,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2021-12-06 19:42:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 19:42:40,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 19:42:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2021-12-06 19:42:40,206 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2021-12-06 19:42:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 19:42:40,206 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 19:42:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 19:42:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 19:42:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2021-12-06 19:42:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2021-12-06 19:42:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:42:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-12-06 19:42:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-12-06 19:42:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2021-12-06 19:42:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2021-12-06 19:42:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-06 19:42:40,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-06 19:42:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 19:42:40,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 19:42:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-06 19:42:40,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-06 19:42:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 19:42:40,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 19:42:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 19:42:40,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 19:42:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 19:42:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 19:42:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-06 19:42:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-06 19:42:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-06 19:42:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-06 19:42:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 19:42:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 19:42:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:42:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 19:42:40,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 19:42:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 19:42:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 19:42:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2021-12-06 19:42:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2021-12-06 19:42:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-06 19:42:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-06 19:42:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 19:42:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 19:42:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-06 19:42:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-06 19:42:40,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-06 19:42:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-06 19:42:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 19:42:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 19:42:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:42:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2021-12-06 19:42:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2021-12-06 19:42:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2021-12-06 19:42:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2021-12-06 19:42:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2021-12-06 19:42:40,211 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2021-12-06 19:42:40,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 19:42:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 19:42:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 19:42:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 19:42:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:42:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 19:42:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2021-12-06 19:42:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2021-12-06 19:42:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 19:42:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 19:42:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-12-06 19:42:40,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-12-06 19:42:40,212 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2021-12-06 19:42:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2021-12-06 19:42:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-06 19:42:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-06 19:42:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 19:42:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 19:42:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2021-12-06 19:42:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2021-12-06 19:42:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 19:42:40,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 19:42:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2021-12-06 19:42:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2021-12-06 19:42:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 19:42:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 19:42:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2021-12-06 19:42:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2021-12-06 19:42:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:42:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:42:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2021-12-06 19:42:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2021-12-06 19:42:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 19:42:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 19:42:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2021-12-06 19:42:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2021-12-06 19:42:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 19:42:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 19:42:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 19:42:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 19:42:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-06 19:42:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-06 19:42:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 19:42:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2021-12-06 19:42:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2021-12-06 19:42:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 19:42:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2021-12-06 19:42:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2021-12-06 19:42:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2021-12-06 19:42:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 19:42:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-06 19:42:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 19:42:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-12-06 19:42:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 19:42:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 19:42:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 19:42:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2021-12-06 19:42:40,217 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 19:42:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2021-12-06 19:42:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2021-12-06 19:42:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2021-12-06 19:42:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2021-12-06 19:42:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 19:42:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 19:42:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2021-12-06 19:42:40,218 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2021-12-06 19:42:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 19:42:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 19:42:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2021-12-06 19:42:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2021-12-06 19:42:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 19:42:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 19:42:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-12-06 19:42:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-12-06 19:42:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 19:42:40,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 19:42:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2021-12-06 19:42:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2021-12-06 19:42:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-06 19:42:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-06 19:42:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2021-12-06 19:42:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2021-12-06 19:42:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 19:42:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 19:42:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-06 19:42:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-06 19:42:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2021-12-06 19:42:40,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2021-12-06 19:42:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 19:42:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-06 19:42:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2021-12-06 19:42:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 19:42:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-06 19:42:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-06 19:42:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-06 19:42:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 19:42:40,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 19:42:40,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-06 19:42:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-06 19:42:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-06 19:42:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-06 19:42:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2021-12-06 19:42:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2021-12-06 19:42:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2021-12-06 19:42:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2021-12-06 19:42:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 19:42:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 19:42:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 19:42:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 19:42:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-06 19:42:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-06 19:42:40,222 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2021-12-06 19:42:40,222 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2021-12-06 19:42:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 19:42:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 19:42:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 19:42:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 19:42:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2021-12-06 19:42:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2021-12-06 19:42:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2021-12-06 19:42:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2021-12-06 19:42:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2021-12-06 19:42:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2021-12-06 19:42:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-12-06 19:42:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-12-06 19:42:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-06 19:42:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-06 19:42:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 19:42:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 19:42:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2021-12-06 19:42:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2021-12-06 19:42:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 19:42:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 19:42:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2021-12-06 19:42:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2021-12-06 19:42:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 19:42:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 19:42:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 19:42:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 19:42:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2021-12-06 19:42:40,225 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2021-12-06 19:42:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:42:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-06 19:42:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-06 19:42:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2021-12-06 19:42:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2021-12-06 19:42:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-06 19:42:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-06 19:42:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 19:42:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 19:42:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 19:42:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 19:42:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-06 19:42:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-06 19:42:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 19:42:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-06 19:42:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-06 19:42:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 19:42:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 19:42:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 19:42:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-06 19:42:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-06 19:42:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 19:42:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 19:42:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 19:42:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 19:42:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 19:42:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2021-12-06 19:42:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-06 19:42:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2021-12-06 19:42:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2021-12-06 19:42:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:42:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-06 19:42:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 19:42:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2021-12-06 19:42:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2021-12-06 19:42:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 19:42:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2021-12-06 19:42:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-06 19:42:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 19:42:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2021-12-06 19:42:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 19:42:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2021-12-06 19:42:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2021-12-06 19:42:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 19:42:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2021-12-06 19:42:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 19:42:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2021-12-06 19:42:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2021-12-06 19:42:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-06 19:42:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2021-12-06 19:42:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-06 19:42:40,230 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 19:42:40,230 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2021-12-06 19:42:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2021-12-06 19:42:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-06 19:42:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2021-12-06 19:42:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-06 19:42:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2021-12-06 19:42:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 19:42:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 19:42:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 19:42:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 19:42:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 19:42:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 19:42:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 19:42:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 19:42:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 19:42:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 19:42:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2021-12-06 19:42:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2021-12-06 19:42:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 19:42:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 19:42:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 19:42:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 19:42:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 19:42:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 19:42:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 19:42:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 19:42:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 19:42:40,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 19:42:40,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 19:42:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 19:42:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2021-12-06 19:42:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2021-12-06 19:42:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2021-12-06 19:42:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2021-12-06 19:42:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 19:42:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 19:42:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2021-12-06 19:42:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2021-12-06 19:42:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2021-12-06 19:42:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2021-12-06 19:42:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2021-12-06 19:42:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2021-12-06 19:42:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 19:42:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 19:42:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-06 19:42:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-06 19:42:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-12-06 19:42:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-12-06 19:42:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 19:42:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 19:42:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2021-12-06 19:42:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2021-12-06 19:42:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 19:42:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 19:42:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-06 19:42:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-06 19:42:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 19:42:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 19:42:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2021-12-06 19:42:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2021-12-06 19:42:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 19:42:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 19:42:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2021-12-06 19:42:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2021-12-06 19:42:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-06 19:42:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-06 19:42:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-06 19:42:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-06 19:42:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2021-12-06 19:42:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2021-12-06 19:42:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 19:42:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 19:42:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 19:42:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 19:42:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2021-12-06 19:42:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2021-12-06 19:42:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2021-12-06 19:42:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2021-12-06 19:42:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-06 19:42:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-06 19:42:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 19:42:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 19:42:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2021-12-06 19:42:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2021-12-06 19:42:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:42:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2021-12-06 19:42:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2021-12-06 19:42:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 19:42:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 19:42:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-06 19:42:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-06 19:42:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2021-12-06 19:42:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2021-12-06 19:42:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-06 19:42:40,983 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:42:40,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:42:41,056 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 19:42:51,179 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 19:42:51,267 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:42:51,288 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:42:51,289 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-06 19:42:51,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:42:51 BoogieIcfgContainer [2021-12-06 19:42:51,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:42:51,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:42:51,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:42:51,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:42:51,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:42:33" (1/3) ... [2021-12-06 19:42:51,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1571374a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:42:51, skipping insertion in model container [2021-12-06 19:42:51,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:42:39" (2/3) ... [2021-12-06 19:42:51,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1571374a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:42:51, skipping insertion in model container [2021-12-06 19:42:51,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:42:51" (3/3) ... [2021-12-06 19:42:51,299 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-12-06 19:42:51,303 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:42:51,303 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 19:42:51,359 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:42:51,363 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 19:42:51,364 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 19:42:51,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 4377 states, 2916 states have (on average 1.2908093278463648) internal successors, (3764), 2997 states have internal predecessors, (3764), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) [2021-12-06 19:42:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-06 19:42:51,455 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:42:51,456 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:42:51,456 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 19:42:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:42:51,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1796799361, now seen corresponding path program 1 times [2021-12-06 19:42:51,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:42:51,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038079804] [2021-12-06 19:42:51,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:42:51,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:42:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:42:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:42:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:42:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:42:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:42:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:42:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:42:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:42:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:42:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:42:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:42:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:42:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:42:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:42:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:42:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:42:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:42:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:42:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:42:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:42:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:42:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:42:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:42:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:42:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:42:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:42:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:42:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:42:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:42:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:42:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:42:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:42:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:42:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:42:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-06 19:42:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:42:52,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-06 19:42:52,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:42:52,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038079804] [2021-12-06 19:42:52,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038079804] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:42:52,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:42:52,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:42:52,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839790727] [2021-12-06 19:42:52,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:42:52,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:42:52,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:42:52,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:42:52,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:42:52,861 INFO L87 Difference]: Start difference. First operand has 4377 states, 2916 states have (on average 1.2908093278463648) internal successors, (3764), 2997 states have internal predecessors, (3764), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-06 19:43:01,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:43:01,512 INFO L93 Difference]: Finished difference Result 13275 states and 19411 transitions. [2021-12-06 19:43:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:43:01,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 382 [2021-12-06 19:43:01,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:43:01,582 INFO L225 Difference]: With dead ends: 13275 [2021-12-06 19:43:01,582 INFO L226 Difference]: Without dead ends: 8951 [2021-12-06 19:43:01,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 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 19:43:01,617 INFO L933 BasicCegarLoop]: 6396 mSDtfsCounter, 7658 mSDsluCounter, 6784 mSDsCounter, 0 mSdLazyCounter, 4333 mSolverCounterSat, 4168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8819 SdHoareTripleChecker+Valid, 13180 SdHoareTripleChecker+Invalid, 8501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4168 IncrementalHoareTripleChecker+Valid, 4333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-06 19:43:01,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8819 Valid, 13180 Invalid, 8501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4168 Valid, 4333 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-06 19:43:01,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8951 states. [2021-12-06 19:43:02,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8951 to 8419. [2021-12-06 19:43:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8419 states, 5601 states have (on average 1.2776289948223531) internal successors, (7156), 5762 states have internal predecessors, (7156), 2389 states have call successors, (2389), 427 states have call predecessors, (2389), 426 states have return successors, (2385), 2335 states have call predecessors, (2385), 2385 states have call successors, (2385) [2021-12-06 19:43:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8419 states to 8419 states and 11930 transitions. [2021-12-06 19:43:02,136 INFO L78 Accepts]: Start accepts. Automaton has 8419 states and 11930 transitions. Word has length 382 [2021-12-06 19:43:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:43:02,138 INFO L470 AbstractCegarLoop]: Abstraction has 8419 states and 11930 transitions. [2021-12-06 19:43:02,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-06 19:43:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8419 states and 11930 transitions. [2021-12-06 19:43:02,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-12-06 19:43:02,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:43:02,152 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:02,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:43:02,153 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 19:43:02,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:02,153 INFO L85 PathProgramCache]: Analyzing trace with hash 259100557, now seen corresponding path program 1 times [2021-12-06 19:43:02,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:02,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319474870] [2021-12-06 19:43:02,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:02,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:43:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:43:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:43:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:43:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:43:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:43:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:43:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:43:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:43:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:43:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:43:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:43:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:43:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:43:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:43:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:43:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:43:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:43:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:43:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:43:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:43:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:43:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:43:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:43:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:43:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:43:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:43:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:43:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:43:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:43:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:43:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:43:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:43:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-06 19:43:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-06 19:43:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-06 19:43:03,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:43:03,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319474870] [2021-12-06 19:43:03,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319474870] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:43:03,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:43:03,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:43:03,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434624915] [2021-12-06 19:43:03,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:43:03,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:43:03,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:43:03,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:43:03,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:43:03,022 INFO L87 Difference]: Start difference. First operand 8419 states and 11930 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:43:12,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:43:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:43:13,618 INFO L93 Difference]: Finished difference Result 21018 states and 29973 transitions. [2021-12-06 19:43:13,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:43:13,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 415 [2021-12-06 19:43:13,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:43:13,693 INFO L225 Difference]: With dead ends: 21018 [2021-12-06 19:43:13,694 INFO L226 Difference]: Without dead ends: 12668 [2021-12-06 19:43:13,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 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 19:43:13,724 INFO L933 BasicCegarLoop]: 6347 mSDtfsCounter, 7165 mSDsluCounter, 6811 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 4094 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8242 SdHoareTripleChecker+Valid, 13158 SdHoareTripleChecker+Invalid, 8372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4094 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:43:13,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8242 Valid, 13158 Invalid, 8372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4094 Valid, 4277 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2021-12-06 19:43:13,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12668 states. [2021-12-06 19:43:14,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12668 to 11858. [2021-12-06 19:43:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11858 states, 7875 states have (on average 1.274031746031746) internal successors, (10033), 8100 states have internal predecessors, (10033), 3358 states have call successors, (3358), 624 states have call predecessors, (3358), 622 states have return successors, (3354), 3276 states have call predecessors, (3354), 3354 states have call successors, (3354) [2021-12-06 19:43:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11858 states to 11858 states and 16745 transitions. [2021-12-06 19:43:14,241 INFO L78 Accepts]: Start accepts. Automaton has 11858 states and 16745 transitions. Word has length 415 [2021-12-06 19:43:14,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:43:14,242 INFO L470 AbstractCegarLoop]: Abstraction has 11858 states and 16745 transitions. [2021-12-06 19:43:14,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:43:14,243 INFO L276 IsEmpty]: Start isEmpty. Operand 11858 states and 16745 transitions. [2021-12-06 19:43:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-12-06 19:43:14,253 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:43:14,254 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:14,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:43:14,254 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 19:43:14,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:14,254 INFO L85 PathProgramCache]: Analyzing trace with hash 337939319, now seen corresponding path program 1 times [2021-12-06 19:43:14,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:14,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156350309] [2021-12-06 19:43:14,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:14,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:43:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:43:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:43:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:43:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:43:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:43:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:43:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:43:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:43:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:43:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:43:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:43:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:43:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:43:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:43:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:43:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:43:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:43:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:43:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:43:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:43:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:43:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:43:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:43:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:43:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:43:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:43:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:43:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:43:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:43:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:43:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:43:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:43:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 19:43:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-06 19:43:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:15,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-06 19:43:15,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:43:15,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156350309] [2021-12-06 19:43:15,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156350309] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:43:15,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:43:15,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:43:15,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133471953] [2021-12-06 19:43:15,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:43:15,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:43:15,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:43:15,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:43:15,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:43:15,035 INFO L87 Difference]: Start difference. First operand 11858 states and 16745 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:43:23,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:43:24,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:43:24,731 INFO L93 Difference]: Finished difference Result 36124 states and 51374 transitions. [2021-12-06 19:43:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:43:24,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 416 [2021-12-06 19:43:24,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:43:24,834 INFO L225 Difference]: With dead ends: 36124 [2021-12-06 19:43:24,834 INFO L226 Difference]: Without dead ends: 24335 [2021-12-06 19:43:24,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 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 19:43:24,875 INFO L933 BasicCegarLoop]: 7624 mSDtfsCounter, 6692 mSDsluCounter, 7047 mSDsCounter, 0 mSdLazyCounter, 4418 mSolverCounterSat, 3673 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7825 SdHoareTripleChecker+Valid, 14671 SdHoareTripleChecker+Invalid, 8092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3673 IncrementalHoareTripleChecker+Valid, 4418 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:43:24,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7825 Valid, 14671 Invalid, 8092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3673 Valid, 4418 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-12-06 19:43:24,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24335 states. [2021-12-06 19:43:25,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24335 to 22857. [2021-12-06 19:43:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22857 states, 15162 states have (on average 1.272127687640153) internal successors, (19288), 15597 states have internal predecessors, (19288), 6475 states have call successors, (6475), 1220 states have call predecessors, (6475), 1217 states have return successors, (6471), 6318 states have call predecessors, (6471), 6471 states have call successors, (6471) [2021-12-06 19:43:25,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22857 states to 22857 states and 32234 transitions. [2021-12-06 19:43:25,716 INFO L78 Accepts]: Start accepts. Automaton has 22857 states and 32234 transitions. Word has length 416 [2021-12-06 19:43:25,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:43:25,717 INFO L470 AbstractCegarLoop]: Abstraction has 22857 states and 32234 transitions. [2021-12-06 19:43:25,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:43:25,717 INFO L276 IsEmpty]: Start isEmpty. Operand 22857 states and 32234 transitions. [2021-12-06 19:43:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-12-06 19:43:25,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:43:25,725 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:25,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:43:25,725 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 19:43:25,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:25,725 INFO L85 PathProgramCache]: Analyzing trace with hash 787467420, now seen corresponding path program 1 times [2021-12-06 19:43:25,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:25,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65617415] [2021-12-06 19:43:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:25,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:43:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:43:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:25,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:43:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:43:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:43:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:43:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:43:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:43:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:43:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:43:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:43:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:43:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:43:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:43:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:43:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:43:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:43:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:43:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:43:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:43:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:43:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:43:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:43:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:43:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:43:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:43:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:43:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:43:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:43:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:43:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:43:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:43:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:43:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-06 19:43:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-06 19:43:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-12-06 19:43:26,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:43:26,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65617415] [2021-12-06 19:43:26,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65617415] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:43:26,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:43:26,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:43:26,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403263178] [2021-12-06 19:43:26,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:43:26,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:43:26,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:43:26,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:43:26,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:43:26,501 INFO L87 Difference]: Start difference. First operand 22857 states and 32234 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:43:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:43:33,928 INFO L93 Difference]: Finished difference Result 57632 states and 81420 transitions. [2021-12-06 19:43:33,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:43:33,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 418 [2021-12-06 19:43:33,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:43:34,080 INFO L225 Difference]: With dead ends: 57632 [2021-12-06 19:43:34,080 INFO L226 Difference]: Without dead ends: 34844 [2021-12-06 19:43:34,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 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 19:43:34,130 INFO L933 BasicCegarLoop]: 6192 mSDtfsCounter, 6314 mSDsluCounter, 6711 mSDsCounter, 0 mSdLazyCounter, 4193 mSolverCounterSat, 3926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7266 SdHoareTripleChecker+Valid, 12903 SdHoareTripleChecker+Invalid, 8119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3926 IncrementalHoareTripleChecker+Valid, 4193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-06 19:43:34,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7266 Valid, 12903 Invalid, 8119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3926 Valid, 4193 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-06 19:43:34,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34844 states. [2021-12-06 19:43:35,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34844 to 32685. [2021-12-06 19:43:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32685 states, 21280 states have (on average 1.2589285714285714) internal successors, (26790), 21918 states have internal predecessors, (26790), 9463 states have call successors, (9463), 1930 states have call predecessors, (9463), 1939 states have return successors, (9508), 9236 states have call predecessors, (9508), 9459 states have call successors, (9508) [2021-12-06 19:43:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32685 states to 32685 states and 45761 transitions. [2021-12-06 19:43:35,333 INFO L78 Accepts]: Start accepts. Automaton has 32685 states and 45761 transitions. Word has length 418 [2021-12-06 19:43:35,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:43:35,334 INFO L470 AbstractCegarLoop]: Abstraction has 32685 states and 45761 transitions. [2021-12-06 19:43:35,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 19:43:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32685 states and 45761 transitions. [2021-12-06 19:43:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-12-06 19:43:35,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:43:35,341 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:43:35,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:43:35,341 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 19:43:35,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:35,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1553454842, now seen corresponding path program 1 times [2021-12-06 19:43:35,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:35,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566555676] [2021-12-06 19:43:35,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:35,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:43:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:43:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:43:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:43:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:43:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:43:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:43:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:43:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:43:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:43:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:43:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:43:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:43:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:43:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:43:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:43:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:43:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:43:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:43:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:43:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:43:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:43:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:43:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:43:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:43:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:43:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:43:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:43:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:43:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:43:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:43:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:43:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:43:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-06 19:43:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:43:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:43:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-06 19:43:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-06 19:43:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2021-12-06 19:43:36,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:43:36,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566555676] [2021-12-06 19:43:36,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566555676] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:43:36,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:43:36,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:43:36,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612722194] [2021-12-06 19:43:36,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:43:36,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:43:36,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:43:36,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:43:36,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:43:36,089 INFO L87 Difference]: Start difference. First operand 32685 states and 45761 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-06 19:43:44,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:43:44,634 INFO L93 Difference]: Finished difference Result 88508 states and 124642 transitions. [2021-12-06 19:43:44,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:43:44,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 443 [2021-12-06 19:43:44,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:43:44,810 INFO L225 Difference]: With dead ends: 88508 [2021-12-06 19:43:44,810 INFO L226 Difference]: Without dead ends: 55892 [2021-12-06 19:43:44,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 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 19:43:44,893 INFO L933 BasicCegarLoop]: 6914 mSDtfsCounter, 7420 mSDsluCounter, 7051 mSDsCounter, 0 mSdLazyCounter, 4363 mSolverCounterSat, 4049 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8576 SdHoareTripleChecker+Valid, 13965 SdHoareTripleChecker+Invalid, 8412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4049 IncrementalHoareTripleChecker+Valid, 4363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:43:44,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8576 Valid, 13965 Invalid, 8412 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4049 Valid, 4363 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2021-12-06 19:43:44,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55892 states. [2021-12-06 19:43:46,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55892 to 52763. [2021-12-06 19:43:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52763 states, 34683 states have (on average 1.2604734307874175) internal successors, (43717), 35721 states have internal predecessors, (43717), 15008 states have call successors, (15008), 3050 states have call predecessors, (15008), 3069 states have return successors, (15102), 14628 states have call predecessors, (15102), 15004 states have call successors, (15102) [2021-12-06 19:43:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52763 states to 52763 states and 73827 transitions. [2021-12-06 19:43:46,708 INFO L78 Accepts]: Start accepts. Automaton has 52763 states and 73827 transitions. Word has length 443 [2021-12-06 19:43:46,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:43:46,708 INFO L470 AbstractCegarLoop]: Abstraction has 52763 states and 73827 transitions. [2021-12-06 19:43:46,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-06 19:43:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 52763 states and 73827 transitions. [2021-12-06 19:43:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-12-06 19:43:46,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:43:46,713 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:43:46,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:43:46,714 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:43:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1944485728, now seen corresponding path program 1 times [2021-12-06 19:43:46,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:46,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254717937] [2021-12-06 19:43:46,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:46,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:43:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:43:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:43:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:43:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:43:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:43:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:43:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:43:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:43:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:43:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:43:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:43:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:43:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:43:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:43:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:43:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:43:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:43:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:43:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:43:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:43:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:43:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:43:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:43:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:43:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:43:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:43:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:43:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:43:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:43:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:43:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:43:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:43:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:43:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:43:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:43:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:43:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:43:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:43:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:43:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:43:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:43:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2021-12-06 19:43:47,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:43:47,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254717937] [2021-12-06 19:43:47,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254717937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:43:47,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:43:47,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:43:47,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249994293] [2021-12-06 19:43:47,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:43:47,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:43:47,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:43:47,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:43:47,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:43:47,461 INFO L87 Difference]: Start difference. First operand 52763 states and 73827 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 19:43:57,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:43:57,606 INFO L93 Difference]: Finished difference Result 161599 states and 227694 transitions. [2021-12-06 19:43:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:43:57,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 454 [2021-12-06 19:43:57,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:43:57,999 INFO L225 Difference]: With dead ends: 161599 [2021-12-06 19:43:58,000 INFO L226 Difference]: Without dead ends: 109342 [2021-12-06 19:43:58,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 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 19:43:58,143 INFO L933 BasicCegarLoop]: 7683 mSDtfsCounter, 7208 mSDsluCounter, 7535 mSDsCounter, 0 mSdLazyCounter, 4327 mSolverCounterSat, 3808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8355 SdHoareTripleChecker+Valid, 15218 SdHoareTripleChecker+Invalid, 8135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3808 IncrementalHoareTripleChecker+Valid, 4327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:43:58,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8355 Valid, 15218 Invalid, 8135 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3808 Valid, 4327 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-12-06 19:43:58,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109342 states. [2021-12-06 19:44:01,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109342 to 103200. [2021-12-06 19:44:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103200 states, 67811 states have (on average 1.2613735234696435) internal successors, (85535), 69811 states have internal predecessors, (85535), 29374 states have call successors, (29374), 5965 states have call predecessors, (29374), 6012 states have return successors, (29566), 28695 states have call predecessors, (29566), 29370 states have call successors, (29566) [2021-12-06 19:44:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103200 states to 103200 states and 144475 transitions. [2021-12-06 19:44:01,838 INFO L78 Accepts]: Start accepts. Automaton has 103200 states and 144475 transitions. Word has length 454 [2021-12-06 19:44:01,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:44:01,839 INFO L470 AbstractCegarLoop]: Abstraction has 103200 states and 144475 transitions. [2021-12-06 19:44:01,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-06 19:44:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 103200 states and 144475 transitions. [2021-12-06 19:44:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-12-06 19:44:01,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:44:01,845 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:44:01,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:44:01,845 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:44:01,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:44:01,846 INFO L85 PathProgramCache]: Analyzing trace with hash -21257694, now seen corresponding path program 1 times [2021-12-06 19:44:01,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:44:01,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923785090] [2021-12-06 19:44:01,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:44:01,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:44:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:44:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:44:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:44:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:44:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:44:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:44:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:44:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:44:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:44:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:44:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:44:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:44:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:44:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:44:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:44:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:44:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:44:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:44:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:44:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:44:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:44:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:44:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:44:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:44:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:44:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:44:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:44:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:44:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:44:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:44:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:44:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:44:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:44:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:44:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:44:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:44:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:44:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:44:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:44:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:44:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:44:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2021-12-06 19:44:02,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:44:02,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923785090] [2021-12-06 19:44:02,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923785090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:44:02,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:44:02,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:44:02,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692423447] [2021-12-06 19:44:02,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:44:03,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:44:03,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:44:03,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:44:03,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:44:03,001 INFO L87 Difference]: Start difference. First operand 103200 states and 144475 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-06 19:44:12,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:44:14,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:44:15,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:44:15,271 INFO L93 Difference]: Finished difference Result 110096 states and 155129 transitions. [2021-12-06 19:44:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:44:15,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 454 [2021-12-06 19:44:15,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:44:15,637 INFO L225 Difference]: With dead ends: 110096 [2021-12-06 19:44:15,637 INFO L226 Difference]: Without dead ends: 110094 [2021-12-06 19:44:15,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:44:15,674 INFO L933 BasicCegarLoop]: 5648 mSDtfsCounter, 6223 mSDsluCounter, 11233 mSDsCounter, 0 mSdLazyCounter, 4927 mSolverCounterSat, 2939 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6855 SdHoareTripleChecker+Valid, 16881 SdHoareTripleChecker+Invalid, 7868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2939 IncrementalHoareTripleChecker+Valid, 4927 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:44:15,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6855 Valid, 16881 Invalid, 7868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2939 Valid, 4927 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2021-12-06 19:44:15,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110094 states. [2021-12-06 19:44:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110094 to 103954. [2021-12-06 19:44:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103954 states, 68318 states have (on average 1.2603413448871454) internal successors, (86104), 70350 states have internal predecessors, (86104), 29438 states have call successors, (29438), 6148 states have call predecessors, (29438), 6195 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2021-12-06 19:44:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103954 states to 103954 states and 145172 transitions. [2021-12-06 19:44:19,615 INFO L78 Accepts]: Start accepts. Automaton has 103954 states and 145172 transitions. Word has length 454 [2021-12-06 19:44:19,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:44:19,616 INFO L470 AbstractCegarLoop]: Abstraction has 103954 states and 145172 transitions. [2021-12-06 19:44:19,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-06 19:44:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 103954 states and 145172 transitions. [2021-12-06 19:44:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-12-06 19:44:19,622 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:44:19,622 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:44:19,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:44:19,623 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:44:19,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:44:19,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1025838141, now seen corresponding path program 1 times [2021-12-06 19:44:19,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:44:19,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296026086] [2021-12-06 19:44:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:44:19,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:44:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:44:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:44:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:44:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:44:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:44:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:44:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:44:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:44:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:44:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:44:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:44:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:44:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:44:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:44:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:44:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:44:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:44:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:44:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:44:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:44:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:44:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:44:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:44:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:44:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:44:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:44:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:44:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:44:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:44:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:44:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:44:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:44:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:44:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:44:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:44:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:44:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:44:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:44:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:44:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:44:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:44:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:44:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5204 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2021-12-06 19:44:20,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:44:20,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296026086] [2021-12-06 19:44:20,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296026086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:44:20,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:44:20,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:44:20,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16623103] [2021-12-06 19:44:20,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:44:20,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:44:20,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:44:20,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:44:20,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:44:20,488 INFO L87 Difference]: Start difference. First operand 103954 states and 145172 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-06 19:44:29,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:44:32,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:44:32,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:44:32,970 INFO L93 Difference]: Finished difference Result 110098 states and 155131 transitions. [2021-12-06 19:44:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:44:32,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 459 [2021-12-06 19:44:32,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:44:33,354 INFO L225 Difference]: With dead ends: 110098 [2021-12-06 19:44:33,354 INFO L226 Difference]: Without dead ends: 110096 [2021-12-06 19:44:33,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:44:33,403 INFO L933 BasicCegarLoop]: 5637 mSDtfsCounter, 6210 mSDsluCounter, 11225 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 2923 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6861 SdHoareTripleChecker+Valid, 16862 SdHoareTripleChecker+Invalid, 7769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2923 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:44:33,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6861 Valid, 16862 Invalid, 7769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2923 Valid, 4844 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2021-12-06 19:44:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110096 states. [2021-12-06 19:44:36,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110096 to 103958. [2021-12-06 19:44:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103958 states, 68321 states have (on average 1.2603299132038466) internal successors, (86107), 70353 states have internal predecessors, (86107), 29438 states have call successors, (29438), 6149 states have call predecessors, (29438), 6196 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2021-12-06 19:44:37,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103958 states to 103958 states and 145175 transitions. [2021-12-06 19:44:37,409 INFO L78 Accepts]: Start accepts. Automaton has 103958 states and 145175 transitions. Word has length 459 [2021-12-06 19:44:37,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:44:37,410 INFO L470 AbstractCegarLoop]: Abstraction has 103958 states and 145175 transitions. [2021-12-06 19:44:37,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-06 19:44:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 103958 states and 145175 transitions. [2021-12-06 19:44:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-12-06 19:44:37,419 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:44:37,419 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:44:37,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:44:37,419 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:44:37,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:44:37,420 INFO L85 PathProgramCache]: Analyzing trace with hash 92247682, now seen corresponding path program 1 times [2021-12-06 19:44:37,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:44:37,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237708076] [2021-12-06 19:44:37,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:44:37,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:44:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:44:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:44:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:44:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:44:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:44:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:44:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:44:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:44:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:44:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:44:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:44:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:44:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:44:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:44:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:44:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:44:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:44:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:44:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:44:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:44:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:44:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:44:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:44:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:44:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:44:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:44:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:44:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:44:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:44:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:44:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:44:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:44:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:44:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:44:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:44:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:44:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:44:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:44:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:44:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:44:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:44:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:44:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:44:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5210 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2021-12-06 19:44:38,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:44:38,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237708076] [2021-12-06 19:44:38,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237708076] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:44:38,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:44:38,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:44:38,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261986859] [2021-12-06 19:44:38,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:44:38,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:44:38,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:44:38,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:44:38,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:44:38,275 INFO L87 Difference]: Start difference. First operand 103958 states and 145175 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 19:44:47,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:44:49,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:44:50,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:44:50,834 INFO L93 Difference]: Finished difference Result 110102 states and 155134 transitions. [2021-12-06 19:44:50,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:44:50,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 464 [2021-12-06 19:44:50,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:44:51,250 INFO L225 Difference]: With dead ends: 110102 [2021-12-06 19:44:51,250 INFO L226 Difference]: Without dead ends: 110100 [2021-12-06 19:44:51,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:44:51,287 INFO L933 BasicCegarLoop]: 5635 mSDtfsCounter, 6210 mSDsluCounter, 11219 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 2922 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6863 SdHoareTripleChecker+Valid, 16854 SdHoareTripleChecker+Invalid, 7768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2922 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:44:51,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6863 Valid, 16854 Invalid, 7768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2922 Valid, 4844 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2021-12-06 19:44:51,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110100 states. [2021-12-06 19:44:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110100 to 103962. [2021-12-06 19:44:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103962 states, 68324 states have (on average 1.2603184825244425) internal successors, (86110), 70356 states have internal predecessors, (86110), 29438 states have call successors, (29438), 6150 states have call predecessors, (29438), 6197 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2021-12-06 19:44:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103962 states to 103962 states and 145178 transitions. [2021-12-06 19:44:55,364 INFO L78 Accepts]: Start accepts. Automaton has 103962 states and 145178 transitions. Word has length 464 [2021-12-06 19:44:55,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:44:55,365 INFO L470 AbstractCegarLoop]: Abstraction has 103962 states and 145178 transitions. [2021-12-06 19:44:55,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 19:44:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 103962 states and 145178 transitions. [2021-12-06 19:44:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2021-12-06 19:44:55,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:44:55,373 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:55,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 19:44:55,373 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:44:55,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:44:55,374 INFO L85 PathProgramCache]: Analyzing trace with hash -2139428125, now seen corresponding path program 1 times [2021-12-06 19:44:55,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:44:55,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630067335] [2021-12-06 19:44:55,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:44:55,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:44:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:44:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:44:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:44:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:44:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:44:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:44:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:44:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:44:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:44:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:44:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:44:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:44:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:44:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:44:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:44:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:44:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:44:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:44:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:44:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:44:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:44:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:44:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:44:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:44:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:44:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:44:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:44:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:44:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:44:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:44:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:44:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:44:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:44:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:44:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:44:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:44:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:44:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:44:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:44:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:44:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:44:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:44:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:44:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:44:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:44:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:44:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5220 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5214 trivial. 0 not checked. [2021-12-06 19:44:56,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:44:56,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630067335] [2021-12-06 19:44:56,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630067335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:44:56,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:44:56,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:44:56,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926697427] [2021-12-06 19:44:56,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:44:56,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:44:56,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:44:56,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:44:56,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:44:56,185 INFO L87 Difference]: Start difference. First operand 103962 states and 145178 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-06 19:45:05,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:45:06,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:45:06,860 INFO L93 Difference]: Finished difference Result 110106 states and 155137 transitions. [2021-12-06 19:45:06,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:45:06,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 469 [2021-12-06 19:45:06,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:45:07,268 INFO L225 Difference]: With dead ends: 110106 [2021-12-06 19:45:07,268 INFO L226 Difference]: Without dead ends: 110104 [2021-12-06 19:45:07,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:45:07,308 INFO L933 BasicCegarLoop]: 5633 mSDtfsCounter, 6213 mSDsluCounter, 11217 mSDsCounter, 0 mSdLazyCounter, 4845 mSolverCounterSat, 2923 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6864 SdHoareTripleChecker+Valid, 16850 SdHoareTripleChecker+Invalid, 7769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2923 IncrementalHoareTripleChecker+Valid, 4845 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-06 19:45:07,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6864 Valid, 16850 Invalid, 7769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2923 Valid, 4845 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-12-06 19:45:07,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110104 states. [2021-12-06 19:45:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110104 to 103966. [2021-12-06 19:45:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103966 states, 68327 states have (on average 1.2603070528488005) internal successors, (86113), 70359 states have internal predecessors, (86113), 29438 states have call successors, (29438), 6151 states have call predecessors, (29438), 6198 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2021-12-06 19:45:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103966 states to 103966 states and 145181 transitions. [2021-12-06 19:45:11,794 INFO L78 Accepts]: Start accepts. Automaton has 103966 states and 145181 transitions. Word has length 469 [2021-12-06 19:45:11,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:45:11,795 INFO L470 AbstractCegarLoop]: Abstraction has 103966 states and 145181 transitions. [2021-12-06 19:45:11,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-06 19:45:11,795 INFO L276 IsEmpty]: Start isEmpty. Operand 103966 states and 145181 transitions. [2021-12-06 19:45:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-12-06 19:45:11,806 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:45:11,806 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:11,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 19:45:11,806 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:45:11,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:11,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1394446910, now seen corresponding path program 1 times [2021-12-06 19:45:11,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:11,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966342075] [2021-12-06 19:45:11,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:11,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:45:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:45:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:45:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:45:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:45:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:45:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:45:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:45:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:45:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:45:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:45:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:45:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:45:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:45:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:45:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:45:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:45:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:45:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:45:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:45:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:45:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:45:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:45:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:45:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:45:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:45:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:45:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:45:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:45:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:45:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:45:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:45:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:45:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:45:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:45:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:45:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:45:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:45:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:45:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:45:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-06 19:45:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-06 19:45:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:45:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-06 19:45:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-06 19:45:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-06 19:45:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 19:45:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5243 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5230 trivial. 0 not checked. [2021-12-06 19:45:12,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:12,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966342075] [2021-12-06 19:45:12,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966342075] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:12,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:12,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:45:12,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422082385] [2021-12-06 19:45:12,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:12,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:45:12,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:12,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:45:12,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:45:12,583 INFO L87 Difference]: Start difference. First operand 103966 states and 145181 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 19:45:24,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:45:26,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:45:28,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:45:44,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:45:44,524 INFO L93 Difference]: Finished difference Result 267486 states and 375771 transitions. [2021-12-06 19:45:44,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:45:44,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 485 [2021-12-06 19:45:44,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:45:45,229 INFO L225 Difference]: With dead ends: 267486 [2021-12-06 19:45:45,230 INFO L226 Difference]: Without dead ends: 164026 [2021-12-06 19:45:45,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:45:45,488 INFO L933 BasicCegarLoop]: 10424 mSDtfsCounter, 7778 mSDsluCounter, 9734 mSDsCounter, 0 mSdLazyCounter, 8402 mSolverCounterSat, 6886 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8536 SdHoareTripleChecker+Valid, 20158 SdHoareTripleChecker+Invalid, 15290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6886 IncrementalHoareTripleChecker+Valid, 8402 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:45:45,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8536 Valid, 20158 Invalid, 15290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6886 Valid, 8402 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2021-12-06 19:45:45,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164026 states. [2021-12-06 19:45:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164026 to 154794. [2021-12-06 19:45:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154794 states, 101723 states have (on average 1.260580203100577) internal successors, (128230), 104733 states have internal predecessors, (128230), 43836 states have call successors, (43836), 9157 states have call predecessors, (43836), 9232 states have return successors, (44126), 42858 states have call predecessors, (44126), 43832 states have call successors, (44126) [2021-12-06 19:45:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154794 states to 154794 states and 216192 transitions. [2021-12-06 19:45:53,848 INFO L78 Accepts]: Start accepts. Automaton has 154794 states and 216192 transitions. Word has length 485 [2021-12-06 19:45:53,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:45:53,849 INFO L470 AbstractCegarLoop]: Abstraction has 154794 states and 216192 transitions. [2021-12-06 19:45:53,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 19:45:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 154794 states and 216192 transitions. [2021-12-06 19:45:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-06 19:45:53,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:45:53,857 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:45:53,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 19:45:53,857 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:45:53,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:45:53,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1491647774, now seen corresponding path program 1 times [2021-12-06 19:45:53,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:45:53,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923614274] [2021-12-06 19:45:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:45:53,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:45:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:45:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:45:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:45:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:45:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:45:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:45:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:45:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:45:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:45:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:45:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:45:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:45:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:45:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:45:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:45:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:45:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:45:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:45:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:45:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:45:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:45:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:45:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:45:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:45:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:45:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:45:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:45:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:45:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:45:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:45:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:45:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:45:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:45:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:45:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:45:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:45:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:45:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:45:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:45:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:45:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:45:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:45:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:45:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:45:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:45:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:45:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:45:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5234 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5226 trivial. 0 not checked. [2021-12-06 19:45:54,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:45:54,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923614274] [2021-12-06 19:45:54,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923614274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:45:54,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:45:54,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:45:54,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957375950] [2021-12-06 19:45:54,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:45:54,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:45:54,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:45:54,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:45:54,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:45:54,590 INFO L87 Difference]: Start difference. First operand 154794 states and 216192 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-12-06 19:46:07,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:46:09,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:46:11,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:46:11,705 INFO L93 Difference]: Finished difference Result 163991 states and 231095 transitions. [2021-12-06 19:46:11,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:46:11,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 474 [2021-12-06 19:46:11,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:46:12,337 INFO L225 Difference]: With dead ends: 163991 [2021-12-06 19:46:12,338 INFO L226 Difference]: Without dead ends: 163989 [2021-12-06 19:46:12,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:46:12,398 INFO L933 BasicCegarLoop]: 5631 mSDtfsCounter, 6214 mSDsluCounter, 11212 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 2922 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6866 SdHoareTripleChecker+Valid, 16843 SdHoareTripleChecker+Invalid, 7768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2922 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:46:12,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6866 Valid, 16843 Invalid, 7768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2922 Valid, 4844 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2021-12-06 19:46:12,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163989 states. [2021-12-06 19:46:20,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163989 to 154798. [2021-12-06 19:46:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154798 states, 101726 states have (on average 1.2605725183335628) internal successors, (128233), 104736 states have internal predecessors, (128233), 43836 states have call successors, (43836), 9158 states have call predecessors, (43836), 9233 states have return successors, (44126), 42858 states have call predecessors, (44126), 43832 states have call successors, (44126) [2021-12-06 19:46:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154798 states to 154798 states and 216195 transitions. [2021-12-06 19:46:21,155 INFO L78 Accepts]: Start accepts. Automaton has 154798 states and 216195 transitions. Word has length 474 [2021-12-06 19:46:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:46:21,155 INFO L470 AbstractCegarLoop]: Abstraction has 154798 states and 216195 transitions. [2021-12-06 19:46:21,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-12-06 19:46:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 154798 states and 216195 transitions. [2021-12-06 19:46:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2021-12-06 19:46:21,164 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:46:21,164 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:46:21,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 19:46:21,165 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:46:21,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:46:21,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1792682499, now seen corresponding path program 1 times [2021-12-06 19:46:21,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:46:21,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217375277] [2021-12-06 19:46:21,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:46:21,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:46:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:46:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:46:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:46:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:46:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:46:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:46:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:46:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:46:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:46:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:46:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:46:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:46:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:46:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:46:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:46:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:46:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:46:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:46:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:46:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:46:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:46:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:46:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:46:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:46:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:46:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:46:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:46:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:46:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:46:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:46:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:46:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:46:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:46:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:46:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:46:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:46:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:46:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:46:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:46:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:46:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:46:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:46:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:46:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:46:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:46:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:46:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5252 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5242 trivial. 0 not checked. [2021-12-06 19:46:21,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:46:21,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217375277] [2021-12-06 19:46:21,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217375277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:46:21,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:46:21,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:46:21,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067915371] [2021-12-06 19:46:21,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:46:21,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:46:21,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:46:21,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:46:21,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:46:21,894 INFO L87 Difference]: Start difference. First operand 154798 states and 216195 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-06 19:46:35,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:46:37,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:46:39,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:46:39,307 INFO L93 Difference]: Finished difference Result 163995 states and 231098 transitions. [2021-12-06 19:46:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:46:39,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 479 [2021-12-06 19:46:39,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:46:39,939 INFO L225 Difference]: With dead ends: 163995 [2021-12-06 19:46:39,939 INFO L226 Difference]: Without dead ends: 163993 [2021-12-06 19:46:40,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:46:40,006 INFO L933 BasicCegarLoop]: 5630 mSDtfsCounter, 6214 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 2921 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6867 SdHoareTripleChecker+Valid, 16839 SdHoareTripleChecker+Invalid, 7767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2921 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:46:40,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6867 Valid, 16839 Invalid, 7767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2921 Valid, 4844 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2021-12-06 19:46:40,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163993 states. [2021-12-06 19:46:48,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163993 to 154802. [2021-12-06 19:46:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154802 states, 101729 states have (on average 1.2605648340197977) internal successors, (128236), 104739 states have internal predecessors, (128236), 43836 states have call successors, (43836), 9159 states have call predecessors, (43836), 9234 states have return successors, (44126), 42858 states have call predecessors, (44126), 43832 states have call successors, (44126) [2021-12-06 19:46:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154802 states to 154802 states and 216198 transitions. [2021-12-06 19:46:49,427 INFO L78 Accepts]: Start accepts. Automaton has 154802 states and 216198 transitions. Word has length 479 [2021-12-06 19:46:49,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:46:49,427 INFO L470 AbstractCegarLoop]: Abstraction has 154802 states and 216198 transitions. [2021-12-06 19:46:49,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-06 19:46:49,427 INFO L276 IsEmpty]: Start isEmpty. Operand 154802 states and 216198 transitions. [2021-12-06 19:46:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-12-06 19:46:49,438 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:46:49,438 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:46:49,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 19:46:49,438 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:46:49,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:46:49,438 INFO L85 PathProgramCache]: Analyzing trace with hash 406628162, now seen corresponding path program 1 times [2021-12-06 19:46:49,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:46:49,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180226751] [2021-12-06 19:46:49,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:46:49,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:46:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:46:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:46:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:46:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:46:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:46:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:46:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:46:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:46:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:46:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:46:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:46:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:46:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:46:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:46:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:46:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:46:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:46:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:46:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:46:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:46:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:46:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:46:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:46:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:46:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:46:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:46:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:46:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:46:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:46:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:46:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:46:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:46:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:46:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:46:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:46:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:46:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:46:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:46:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:46:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:46:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:46:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:46:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:46:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:46:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:46:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:46:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:46:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:46:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:46:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 5274 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5262 trivial. 0 not checked. [2021-12-06 19:46:50,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:46:50,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180226751] [2021-12-06 19:46:50,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180226751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:46:50,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:46:50,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:46:50,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266389849] [2021-12-06 19:46:50,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:46:50,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:46:50,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:46:50,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:46:50,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:46:50,275 INFO L87 Difference]: Start difference. First operand 154802 states and 216198 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-12-06 19:47:03,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:47:05,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:47:07,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:47:07,752 INFO L93 Difference]: Finished difference Result 163999 states and 231101 transitions. [2021-12-06 19:47:07,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:47:07,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 484 [2021-12-06 19:47:07,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:47:08,387 INFO L225 Difference]: With dead ends: 163999 [2021-12-06 19:47:08,387 INFO L226 Difference]: Without dead ends: 163997 [2021-12-06 19:47:08,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:47:08,452 INFO L933 BasicCegarLoop]: 5630 mSDtfsCounter, 6213 mSDsluCounter, 11208 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 2920 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6867 SdHoareTripleChecker+Valid, 16838 SdHoareTripleChecker+Invalid, 7766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2920 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:47:08,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6867 Valid, 16838 Invalid, 7766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2920 Valid, 4844 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2021-12-06 19:47:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163997 states. [2021-12-06 19:47:17,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163997 to 154806. [2021-12-06 19:47:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154806 states, 101732 states have (on average 1.2605571501592419) internal successors, (128239), 104742 states have internal predecessors, (128239), 43836 states have call successors, (43836), 9160 states have call predecessors, (43836), 9235 states have return successors, (44126), 42858 states have call predecessors, (44126), 43832 states have call successors, (44126) [2021-12-06 19:47:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154806 states to 154806 states and 216201 transitions. [2021-12-06 19:47:18,207 INFO L78 Accepts]: Start accepts. Automaton has 154806 states and 216201 transitions. Word has length 484 [2021-12-06 19:47:18,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:47:18,208 INFO L470 AbstractCegarLoop]: Abstraction has 154806 states and 216201 transitions. [2021-12-06 19:47:18,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-12-06 19:47:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 154806 states and 216201 transitions. [2021-12-06 19:47:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2021-12-06 19:47:18,219 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:47:18,220 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:47:18,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 19:47:18,220 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:47:18,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:47:18,220 INFO L85 PathProgramCache]: Analyzing trace with hash 830386467, now seen corresponding path program 1 times [2021-12-06 19:47:18,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:47:18,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051483495] [2021-12-06 19:47:18,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:47:18,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:47:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:47:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:47:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:47:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:47:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:47:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:47:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:47:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:47:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:47:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:47:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:47:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:47:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:47:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:47:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:47:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:47:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:47:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:47:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:47:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:47:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:47:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:47:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:47:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:47:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:47:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:47:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:47:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:47:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:47:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:47:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:47:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:47:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:47:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:47:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:47:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:47:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:47:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:47:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:47:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:47:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:47:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:47:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:47:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:47:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:47:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:47:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:47:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 19:47:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5300 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2021-12-06 19:47:19,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:47:19,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051483495] [2021-12-06 19:47:19,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051483495] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:47:19,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:47:19,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:47:19,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464334097] [2021-12-06 19:47:19,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:47:19,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:47:19,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:47:19,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:47:19,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:47:19,044 INFO L87 Difference]: Start difference. First operand 154806 states and 216201 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 19:47:33,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:47:35,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:47:35,316 INFO L93 Difference]: Finished difference Result 164003 states and 231104 transitions. [2021-12-06 19:47:35,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:47:35,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 489 [2021-12-06 19:47:35,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:47:35,897 INFO L225 Difference]: With dead ends: 164003 [2021-12-06 19:47:35,897 INFO L226 Difference]: Without dead ends: 164001 [2021-12-06 19:47:35,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:47:35,957 INFO L933 BasicCegarLoop]: 5632 mSDtfsCounter, 6213 mSDsluCounter, 11214 mSDsCounter, 0 mSdLazyCounter, 4845 mSolverCounterSat, 2919 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6865 SdHoareTripleChecker+Valid, 16846 SdHoareTripleChecker+Invalid, 7765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2919 IncrementalHoareTripleChecker+Valid, 4845 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:47:35,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6865 Valid, 16846 Invalid, 7765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2919 Valid, 4845 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2021-12-06 19:47:36,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164001 states. [2021-12-06 19:47:44,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164001 to 154810. [2021-12-06 19:47:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154810 states, 101735 states have (on average 1.2605494667518553) internal successors, (128242), 104745 states have internal predecessors, (128242), 43836 states have call successors, (43836), 9161 states have call predecessors, (43836), 9236 states have return successors, (44126), 42858 states have call predecessors, (44126), 43832 states have call successors, (44126) [2021-12-06 19:47:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154810 states to 154810 states and 216204 transitions. [2021-12-06 19:47:45,602 INFO L78 Accepts]: Start accepts. Automaton has 154810 states and 216204 transitions. Word has length 489 [2021-12-06 19:47:45,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:47:45,603 INFO L470 AbstractCegarLoop]: Abstraction has 154810 states and 216204 transitions. [2021-12-06 19:47:45,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 19:47:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 154810 states and 216204 transitions. [2021-12-06 19:47:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2021-12-06 19:47:45,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:47:45,616 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:47:45,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 19:47:45,616 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:47:45,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:47:45,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1831453602, now seen corresponding path program 1 times [2021-12-06 19:47:45,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:47:45,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885959968] [2021-12-06 19:47:45,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:47:45,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:47:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:47:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:47:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:47:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:47:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:47:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:47:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:47:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:47:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:47:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:47:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:47:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:47:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:47:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:45,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:47:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:47:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:47:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:47:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:47:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:47:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:47:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:47:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:47:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:47:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:47:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:47:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:47:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:47:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:47:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:47:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:47:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:47:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:47:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:47:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:47:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:47:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:47:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:47:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:47:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:47:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:47:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:47:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:47:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:47:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:47:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:47:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:47:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:47:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:47:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 19:47:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-06 19:47:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:47:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5330 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5314 trivial. 0 not checked. [2021-12-06 19:47:46,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:47:46,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885959968] [2021-12-06 19:47:46,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885959968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:47:46,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:47:46,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:47:46,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364148312] [2021-12-06 19:47:46,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:47:46,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:47:46,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:47:46,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:47:46,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:47:46,486 INFO L87 Difference]: Start difference. First operand 154810 states and 216204 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-06 19:48:00,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:48:00,769 INFO L93 Difference]: Finished difference Result 164007 states and 231107 transitions. [2021-12-06 19:48:00,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:48:00,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 494 [2021-12-06 19:48:00,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:48:01,397 INFO L225 Difference]: With dead ends: 164007 [2021-12-06 19:48:01,397 INFO L226 Difference]: Without dead ends: 164005 [2021-12-06 19:48:01,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:48:01,460 INFO L933 BasicCegarLoop]: 5634 mSDtfsCounter, 6213 mSDsluCounter, 11220 mSDsCounter, 0 mSdLazyCounter, 4846 mSolverCounterSat, 2918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6863 SdHoareTripleChecker+Valid, 16854 SdHoareTripleChecker+Invalid, 7764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2918 IncrementalHoareTripleChecker+Valid, 4846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:48:01,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6863 Valid, 16854 Invalid, 7764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2918 Valid, 4846 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-06 19:48:01,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164005 states. [2021-12-06 19:48:10,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164005 to 154814. [2021-12-06 19:48:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154814 states, 101738 states have (on average 1.2605417837975978) internal successors, (128245), 104748 states have internal predecessors, (128245), 43836 states have call successors, (43836), 9162 states have call predecessors, (43836), 9237 states have return successors, (44126), 42858 states have call predecessors, (44126), 43832 states have call successors, (44126) [2021-12-06 19:48:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154814 states to 154814 states and 216207 transitions. [2021-12-06 19:48:11,340 INFO L78 Accepts]: Start accepts. Automaton has 154814 states and 216207 transitions. Word has length 494 [2021-12-06 19:48:11,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:48:11,341 INFO L470 AbstractCegarLoop]: Abstraction has 154814 states and 216207 transitions. [2021-12-06 19:48:11,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-06 19:48:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 154814 states and 216207 transitions. [2021-12-06 19:48:11,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-12-06 19:48:11,354 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:48:11,354 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:48:11,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 19:48:11,355 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 19:48:11,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:48:11,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1465332935, now seen corresponding path program 1 times [2021-12-06 19:48:11,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:48:11,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709504848] [2021-12-06 19:48:11,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:48:11,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:48:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:48:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:48:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:48:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:48:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:48:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:48:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:48:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:48:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:48:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:48:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:48:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:48:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:48:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:48:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:48:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:48:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:48:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:48:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:48:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:48:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:48:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:48:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:48:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:48:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:48:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:48:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:48:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:48:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:48:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:48:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:48:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:48:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:48:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:48:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:48:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:48:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:48:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 19:48:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-06 19:48:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-06 19:48:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-06 19:48:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-06 19:48:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-06 19:48:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5193 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2021-12-06 19:48:12,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:48:12,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709504848] [2021-12-06 19:48:12,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709504848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:48:12,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:48:12,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:48:12,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681286122] [2021-12-06 19:48:12,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:48:12,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:48:12,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:48:12,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:48:12,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:48:12,051 INFO L87 Difference]: Start difference. First operand 154814 states and 216207 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 19:48:33,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:48:33,473 INFO L93 Difference]: Finished difference Result 390524 states and 548391 transitions. [2021-12-06 19:48:33,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:48:33,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 495 [2021-12-06 19:48:33,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:48:34,521 INFO L225 Difference]: With dead ends: 390524 [2021-12-06 19:48:34,522 INFO L226 Difference]: Without dead ends: 236216 [2021-12-06 19:48:34,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 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 19:48:34,948 INFO L933 BasicCegarLoop]: 8376 mSDtfsCounter, 6649 mSDsluCounter, 7970 mSDsCounter, 0 mSdLazyCounter, 4316 mSolverCounterSat, 3661 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7726 SdHoareTripleChecker+Valid, 16346 SdHoareTripleChecker+Invalid, 7977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3661 IncrementalHoareTripleChecker+Valid, 4316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:48:34,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7726 Valid, 16346 Invalid, 7977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3661 Valid, 4316 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-06 19:48:35,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236216 states. [2021-12-06 19:48:48,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236216 to 223004. [2021-12-06 19:48:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223004 states, 146604 states have (on average 1.2598291997489837) internal successors, (184696), 150902 states have internal predecessors, (184696), 63026 states have call successors, (63026), 13268 states have call predecessors, (63026), 13371 states have return successors, (63424), 61607 states have call predecessors, (63424), 63022 states have call successors, (63424) [2021-12-06 19:48:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223004 states to 223004 states and 311146 transitions. [2021-12-06 19:48:49,363 INFO L78 Accepts]: Start accepts. Automaton has 223004 states and 311146 transitions. Word has length 495 [2021-12-06 19:48:49,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:48:49,364 INFO L470 AbstractCegarLoop]: Abstraction has 223004 states and 311146 transitions. [2021-12-06 19:48:49,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 19:48:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 223004 states and 311146 transitions. [2021-12-06 19:48:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-12-06 19:48:49,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:48:49,374 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:48:49,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 19:48:49,374 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:48:49,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:48:49,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1416527939, now seen corresponding path program 1 times [2021-12-06 19:48:49,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:48:49,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292558690] [2021-12-06 19:48:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:48:49,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:48:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:48:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:48:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:48:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:48:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:48:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:48:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:48:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:48:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:48:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:48:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:48:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:48:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:48:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:48:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:48:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:48:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:48:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:48:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:48:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:48:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:48:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:48:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:48:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:48:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:48:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:48:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:48:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:48:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:48:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:48:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:48:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:48:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:48:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:48:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:48:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:48:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:48:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:48:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:48:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:48:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:48:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:48:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:48:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:48:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:48:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:48:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:48:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:48:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 19:48:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-06 19:48:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-06 19:48:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:48:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5364 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5346 trivial. 0 not checked. [2021-12-06 19:48:50,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:48:50,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292558690] [2021-12-06 19:48:50,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292558690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:48:50,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:48:50,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:48:50,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553113120] [2021-12-06 19:48:50,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:48:50,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:48:50,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:48:50,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:48:50,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:48:50,239 INFO L87 Difference]: Start difference. First operand 223004 states and 311146 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-06 19:49:08,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:49:08,780 INFO L93 Difference]: Finished difference Result 241186 states and 337220 transitions. [2021-12-06 19:49:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:49:08,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 499 [2021-12-06 19:49:08,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:49:09,660 INFO L225 Difference]: With dead ends: 241186 [2021-12-06 19:49:09,660 INFO L226 Difference]: Without dead ends: 241184 [2021-12-06 19:49:09,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:49:09,754 INFO L933 BasicCegarLoop]: 5673 mSDtfsCounter, 5845 mSDsluCounter, 11734 mSDsCounter, 0 mSdLazyCounter, 5020 mSolverCounterSat, 2868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6403 SdHoareTripleChecker+Valid, 17407 SdHoareTripleChecker+Invalid, 7888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2868 IncrementalHoareTripleChecker+Valid, 5020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:49:09,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6403 Valid, 17407 Invalid, 7888 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2868 Valid, 5020 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-06 19:49:09,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241184 states. [2021-12-06 19:49:23,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241184 to 228048. [2021-12-06 19:49:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228048 states, 149979 states have (on average 1.255542442608632) internal successors, (188305), 154277 states have internal predecessors, (188305), 63620 states have call successors, (63620), 14343 states have call predecessors, (63620), 14446 states have return successors, (64018), 62201 states have call predecessors, (64018), 63616 states have call successors, (64018) [2021-12-06 19:49:24,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228048 states to 228048 states and 315943 transitions. [2021-12-06 19:49:24,673 INFO L78 Accepts]: Start accepts. Automaton has 228048 states and 315943 transitions. Word has length 499 [2021-12-06 19:49:24,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:49:24,673 INFO L470 AbstractCegarLoop]: Abstraction has 228048 states and 315943 transitions. [2021-12-06 19:49:24,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-06 19:49:24,673 INFO L276 IsEmpty]: Start isEmpty. Operand 228048 states and 315943 transitions. [2021-12-06 19:49:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-12-06 19:49:24,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:49:24,683 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 11, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:49:24,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 19:49:24,683 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 19:49:24,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:49:24,683 INFO L85 PathProgramCache]: Analyzing trace with hash 966301698, now seen corresponding path program 1 times [2021-12-06 19:49:24,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:49:24,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865122785] [2021-12-06 19:49:24,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:49:24,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:49:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:49:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:49:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:49:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:49:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:49:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:49:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:49:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:49:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:49:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:49:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:49:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:49:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:49:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:49:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:49:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:49:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:49:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:49:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:49:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:49:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:49:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:49:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:49:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:49:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:49:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:49:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:49:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:49:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:49:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:49:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:49:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:49:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:49:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:49:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:49:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:49:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:49:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:49:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:49:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:49:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:49:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:49:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:49:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:49:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:49:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:49:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:49:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:49:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 19:49:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-06 19:49:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-06 19:49:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-06 19:49:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:49:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5382 trivial. 0 not checked. [2021-12-06 19:49:25,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:49:25,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865122785] [2021-12-06 19:49:25,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865122785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:49:25,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:49:25,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:49:25,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421736234] [2021-12-06 19:49:25,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:49:25,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:49:25,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:49:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:49:25,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:49:25,437 INFO L87 Difference]: Start difference. First operand 228048 states and 315943 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 19:49:44,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:49:44,607 INFO L93 Difference]: Finished difference Result 241188 states and 337222 transitions. [2021-12-06 19:49:44,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:49:44,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 504 [2021-12-06 19:49:44,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:49:45,527 INFO L225 Difference]: With dead ends: 241188 [2021-12-06 19:49:45,527 INFO L226 Difference]: Without dead ends: 241186 [2021-12-06 19:49:45,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:49:45,627 INFO L933 BasicCegarLoop]: 5634 mSDtfsCounter, 6211 mSDsluCounter, 11217 mSDsCounter, 0 mSdLazyCounter, 4846 mSolverCounterSat, 2914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6864 SdHoareTripleChecker+Valid, 16851 SdHoareTripleChecker+Invalid, 7760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2914 IncrementalHoareTripleChecker+Valid, 4846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:49:45,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6864 Valid, 16851 Invalid, 7760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2914 Valid, 4846 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-06 19:49:45,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241186 states. [2021-12-06 19:49:59,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241186 to 228052. [2021-12-06 19:49:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228052 states, 149982 states have (on average 1.2555373311464042) internal successors, (188308), 154280 states have internal predecessors, (188308), 63620 states have call successors, (63620), 14344 states have call predecessors, (63620), 14447 states have return successors, (64018), 62201 states have call predecessors, (64018), 63616 states have call successors, (64018) [2021-12-06 19:50:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228052 states to 228052 states and 315946 transitions. [2021-12-06 19:50:00,765 INFO L78 Accepts]: Start accepts. Automaton has 228052 states and 315946 transitions. Word has length 504 [2021-12-06 19:50:00,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:50:00,766 INFO L470 AbstractCegarLoop]: Abstraction has 228052 states and 315946 transitions. [2021-12-06 19:50:00,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 19:50:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 228052 states and 315946 transitions. [2021-12-06 19:50:00,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-12-06 19:50:00,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:50:00,775 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 12, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:50:00,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 19:50:00,775 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 19:50:00,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:50:00,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2077255837, now seen corresponding path program 1 times [2021-12-06 19:50:00,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:50:00,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194477192] [2021-12-06 19:50:00,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:50:00,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:50:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:50:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:50:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:50:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:50:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:50:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:50:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:50:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:50:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:50:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:50:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:50:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:50:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:50:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:50:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:50:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:50:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:50:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:50:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:50:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:50:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:50:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:50:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:50:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:50:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:50:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:50:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:50:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:50:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:50:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:50:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:50:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:50:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:50:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:50:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:50:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:50:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:50:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:50:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:50:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:50:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:50:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:50:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:50:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:50:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:50:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:50:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:50:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 19:50:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-06 19:50:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-06 19:50:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-06 19:50:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-06 19:50:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5444 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 5422 trivial. 0 not checked. [2021-12-06 19:50:01,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:50:01,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194477192] [2021-12-06 19:50:01,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194477192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:50:01,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:50:01,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:50:01,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235580363] [2021-12-06 19:50:01,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:50:01,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:50:01,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:50:01,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:50:01,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:50:01,667 INFO L87 Difference]: Start difference. First operand 228052 states and 315946 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-12-06 19:50:21,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:50:21,329 INFO L93 Difference]: Finished difference Result 241192 states and 337225 transitions. [2021-12-06 19:50:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:50:21,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 509 [2021-12-06 19:50:21,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:50:22,220 INFO L225 Difference]: With dead ends: 241192 [2021-12-06 19:50:22,221 INFO L226 Difference]: Without dead ends: 241190 [2021-12-06 19:50:22,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:50:22,318 INFO L933 BasicCegarLoop]: 5634 mSDtfsCounter, 6210 mSDsluCounter, 11216 mSDsCounter, 0 mSdLazyCounter, 4846 mSolverCounterSat, 2913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6864 SdHoareTripleChecker+Valid, 16850 SdHoareTripleChecker+Invalid, 7759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2913 IncrementalHoareTripleChecker+Valid, 4846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:50:22,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6864 Valid, 16850 Invalid, 7759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2913 Valid, 4846 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2021-12-06 19:50:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241190 states. [2021-12-06 19:50:36,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241190 to 228056. [2021-12-06 19:50:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228056 states, 149985 states have (on average 1.2555322198886556) internal successors, (188311), 154283 states have internal predecessors, (188311), 63620 states have call successors, (63620), 14345 states have call predecessors, (63620), 14448 states have return successors, (64018), 62201 states have call predecessors, (64018), 63616 states have call successors, (64018) [2021-12-06 19:50:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228056 states to 228056 states and 315949 transitions. [2021-12-06 19:50:37,835 INFO L78 Accepts]: Start accepts. Automaton has 228056 states and 315949 transitions. Word has length 509 [2021-12-06 19:50:37,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:50:37,836 INFO L470 AbstractCegarLoop]: Abstraction has 228056 states and 315949 transitions. [2021-12-06 19:50:37,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-12-06 19:50:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 228056 states and 315949 transitions. [2021-12-06 19:50:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-12-06 19:50:37,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:50:37,846 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 33, 33, 33, 33, 33, 33, 13, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:50:37,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 19:50:37,846 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 19:50:37,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:50:37,846 INFO L85 PathProgramCache]: Analyzing trace with hash -385721124, now seen corresponding path program 1 times [2021-12-06 19:50:37,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:50:37,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139714541] [2021-12-06 19:50:37,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:50:37,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:50:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:50:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:50:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:50:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:50:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:50:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:50:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:50:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:50:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:50:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:50:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:50:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:50:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:50:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:50:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:50:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:50:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:50:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:50:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:50:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:50:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:50:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:50:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:50:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:50:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:50:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:50:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:50:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:50:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:50:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:50:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:50:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:50:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:50:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:50:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:50:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:50:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:50:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:50:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:50:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:50:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:50:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 19:50:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-06 19:50:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:50:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-06 19:50:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-12-06 19:50:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:50:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-06 19:50:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-12-06 19:50:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-12-06 19:50:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-06 19:50:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 19:50:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-06 19:50:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 19:50:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 19:50:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-06 19:50:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 19:50:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-06 19:50:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-06 19:50:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:50:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5761 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2021-12-06 19:50:38,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:50:38,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139714541] [2021-12-06 19:50:38,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139714541] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:50:38,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:50:38,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:50:38,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178723354] [2021-12-06 19:50:38,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:50:38,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:50:38,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:50:38,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:50:38,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:50:38,698 INFO L87 Difference]: Start difference. First operand 228056 states and 315949 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-12-06 19:50:51,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:50:53,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:50:55,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:51:20,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:51:26,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:51:26,023 INFO L93 Difference]: Finished difference Result 548032 states and 763540 transitions. [2021-12-06 19:51:26,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:51:26,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 551 [2021-12-06 19:51:26,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:51:27,413 INFO L225 Difference]: With dead ends: 548032 [2021-12-06 19:51:27,413 INFO L226 Difference]: Without dead ends: 320482 [2021-12-06 19:51:28,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:51:28,048 INFO L933 BasicCegarLoop]: 10430 mSDtfsCounter, 7757 mSDsluCounter, 9735 mSDsCounter, 0 mSdLazyCounter, 8378 mSolverCounterSat, 6795 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8518 SdHoareTripleChecker+Valid, 20165 SdHoareTripleChecker+Invalid, 15177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6795 IncrementalHoareTripleChecker+Valid, 8378 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:51:28,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8518 Valid, 20165 Invalid, 15177 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6795 Valid, 8378 Invalid, 4 Unknown, 0 Unchecked, 27.2s Time] [2021-12-06 19:51:28,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320482 states. [2021-12-06 19:51:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320482 to 302982. [2021-12-06 19:51:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302982 states, 199247 states have (on average 1.2556826451590237) internal successors, (250191), 204939 states have internal predecessors, (250191), 84530 states have call successors, (84530), 19059 states have call predecessors, (84530), 19202 states have return successors, (85062), 82681 states have call predecessors, (85062), 84526 states have call successors, (85062) [2021-12-06 19:51:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302982 states to 302982 states and 419783 transitions. [2021-12-06 19:51:49,105 INFO L78 Accepts]: Start accepts. Automaton has 302982 states and 419783 transitions. Word has length 551 [2021-12-06 19:51:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:51:49,106 INFO L470 AbstractCegarLoop]: Abstraction has 302982 states and 419783 transitions. [2021-12-06 19:51:49,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-12-06 19:51:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 302982 states and 419783 transitions. [2021-12-06 19:51:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-12-06 19:51:49,117 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:51:49,117 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 13, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:51:49,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 19:51:49,118 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 19:51:49,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:51:49,118 INFO L85 PathProgramCache]: Analyzing trace with hash 818095202, now seen corresponding path program 1 times [2021-12-06 19:51:49,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:51:49,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673458367] [2021-12-06 19:51:49,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:51:49,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:51:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:51:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:51:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:51:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:51:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:51:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:51:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:51:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:51:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:51:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:51:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:51:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:51:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:51:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:51:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:51:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:51:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:51:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:51:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:51:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:51:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:51:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:51:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:51:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:51:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:51:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:51:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:51:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:51:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:51:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:51:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:51:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:51:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:51:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:51:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:51:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:51:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:51:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:51:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:51:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:51:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:51:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:51:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:51:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:51:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:51:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:51:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:51:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:51:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 19:51:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-06 19:51:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-06 19:51:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-06 19:51:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-06 19:51:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-06 19:51:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:51:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5490 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5466 trivial. 0 not checked. [2021-12-06 19:51:49,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:51:49,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673458367] [2021-12-06 19:51:49,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673458367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:51:49,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:51:49,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:51:49,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067371407] [2021-12-06 19:51:49,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:51:49,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:51:49,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:51:49,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:51:49,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:51:49,986 INFO L87 Difference]: Start difference. First operand 302982 states and 419783 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 19:52:12,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:52:14,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:52:19,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:52:19,918 INFO L93 Difference]: Finished difference Result 320484 states and 448126 transitions. [2021-12-06 19:52:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:52:19,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 514 [2021-12-06 19:52:19,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:52:21,254 INFO L225 Difference]: With dead ends: 320484 [2021-12-06 19:52:21,254 INFO L226 Difference]: Without dead ends: 320482 [2021-12-06 19:52:21,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:52:21,382 INFO L933 BasicCegarLoop]: 5631 mSDtfsCounter, 6214 mSDsluCounter, 11212 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 2914 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6866 SdHoareTripleChecker+Valid, 16843 SdHoareTripleChecker+Invalid, 7760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2914 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:52:21,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6866 Valid, 16843 Invalid, 7760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2914 Valid, 4844 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2021-12-06 19:52:21,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320482 states. [2021-12-06 19:52:41,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320482 to 302986. [2021-12-06 19:52:41,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302986 states, 199250 states have (on average 1.2556787954830615) internal successors, (250194), 204942 states have internal predecessors, (250194), 84530 states have call successors, (84530), 19060 states have call predecessors, (84530), 19203 states have return successors, (85062), 82681 states have call predecessors, (85062), 84526 states have call successors, (85062) [2021-12-06 19:52:42,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302986 states to 302986 states and 419786 transitions. [2021-12-06 19:52:42,997 INFO L78 Accepts]: Start accepts. Automaton has 302986 states and 419786 transitions. Word has length 514 [2021-12-06 19:52:42,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:52:42,997 INFO L470 AbstractCegarLoop]: Abstraction has 302986 states and 419786 transitions. [2021-12-06 19:52:42,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 19:52:42,998 INFO L276 IsEmpty]: Start isEmpty. Operand 302986 states and 419786 transitions. [2021-12-06 19:52:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-12-06 19:52:43,009 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:52:43,009 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 14, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:52:43,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 19:52:43,010 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 19:52:43,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:52:43,010 INFO L85 PathProgramCache]: Analyzing trace with hash 29881987, now seen corresponding path program 1 times [2021-12-06 19:52:43,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:52:43,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162761994] [2021-12-06 19:52:43,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:52:43,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:52:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:52:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:52:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:52:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:52:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:52:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:52:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:52:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:52:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:52:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:52:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:52:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:52:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:52:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:52:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:52:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:52:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:52:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:52:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:52:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:52:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:52:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:52:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:52:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:52:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 19:52:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 19:52:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:52:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 19:52:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:52:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:52:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 19:52:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 19:52:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:52:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-06 19:52:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-06 19:52:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-06 19:52:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-06 19:52:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 19:52:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:52:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 19:52:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 19:52:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 19:52:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 19:52:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 19:52:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 19:52:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 19:52:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 19:52:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-06 19:52:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 19:52:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-06 19:52:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-06 19:52:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-06 19:52:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-06 19:52:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-06 19:52:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 19:52:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:52:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5540 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5514 trivial. 0 not checked. [2021-12-06 19:52:43,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:52:43,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162761994] [2021-12-06 19:52:43,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162761994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:52:43,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:52:43,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:52:43,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008474715] [2021-12-06 19:52:43,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:52:43,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:52:43,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:52:43,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:52:43,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:52:43,760 INFO L87 Difference]: Start difference. First operand 302986 states and 419786 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-12-06 19:53:09,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:53:09,516 INFO L93 Difference]: Finished difference Result 320488 states and 448129 transitions. [2021-12-06 19:53:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:53:09,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 519 [2021-12-06 19:53:09,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:53:10,864 INFO L225 Difference]: With dead ends: 320488 [2021-12-06 19:53:10,864 INFO L226 Difference]: Without dead ends: 320484 [2021-12-06 19:53:10,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:53:10,989 INFO L933 BasicCegarLoop]: 5632 mSDtfsCounter, 6214 mSDsluCounter, 11215 mSDsCounter, 0 mSdLazyCounter, 4846 mSolverCounterSat, 2913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6865 SdHoareTripleChecker+Valid, 16847 SdHoareTripleChecker+Invalid, 7759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2913 IncrementalHoareTripleChecker+Valid, 4846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-06 19:53:10,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6865 Valid, 16847 Invalid, 7759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2913 Valid, 4846 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-12-06 19:53:11,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320484 states.