./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-wireless-rndis_wlan.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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/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 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:23:16,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:23:16,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:23:16,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:23:16,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:23:16,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:23:16,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:23:16,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:23:16,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:23:16,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:23:16,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:23:16,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:23:16,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:23:16,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:23:16,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:23:16,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:23:16,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:23:16,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:23:16,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:23:16,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:23:16,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:23:16,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:23:16,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:23:16,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:23:16,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:23:16,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:23:16,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:23:16,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:23:16,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:23:16,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:23:16,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:23:16,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:23:16,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:23:16,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:23:16,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:23:16,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:23:16,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:23:16,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:23:16,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:23:16,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:23:16,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:23:16,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 18:23:16,854 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:23:16,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:23:16,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:23:16,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:23:16,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:23:16,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:23:16,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:23:16,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:23:16,857 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:23:16,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:23:16,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:23:16,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:23:16,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:23:16,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:23:16,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:23:16,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:23:16,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:23:16,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:23:16,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:23:16,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:23:16,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:23:16,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:23:16,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:23:16,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:23:16,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:23:16,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:23:16,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:23:16,859 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:23:16,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:23:16,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:23:16,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:23:16,860 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2021-12-06 18:23:17,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:23:17,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:23:17,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:23:17,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:23:17,068 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:23:17,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-12-06 18:23:17,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/data/25e74c346/bf2de048aae84731834cf4dc50b324e3/FLAGa51ccc53a [2021-12-06 18:23:17,806 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:23:17,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-12-06 18:23:17,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/data/25e74c346/bf2de048aae84731834cf4dc50b324e3/FLAGa51ccc53a [2021-12-06 18:23:18,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/data/25e74c346/bf2de048aae84731834cf4dc50b324e3 [2021-12-06 18:23:18,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:23:18,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:23:18,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:23:18,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:23:18,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:23:18,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:18" (1/1) ... [2021-12-06 18:23:18,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3797981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:18, skipping insertion in model container [2021-12-06 18:23:18,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:23:18" (1/1) ... [2021-12-06 18:23:18,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:23:18,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:23:21,059 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2021-12-06 18:23:21,061 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2021-12-06 18:23:21,062 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2021-12-06 18:23:21,062 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2021-12-06 18:23:21,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:23:21,102 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:23:21,415 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2021-12-06 18:23:21,415 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2021-12-06 18:23:21,415 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2021-12-06 18:23:21,415 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_56f0fcc4-4087-4faf-a52a-f0d8993efc87/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2021-12-06 18:23:21,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:23:21,627 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:23:21,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21 WrapperNode [2021-12-06 18:23:21,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:23:21,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:23:21,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:23:21,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:23:21,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:21,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:21,917 INFO L137 Inliner]: procedures = 473, calls = 4636, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8920 [2021-12-06 18:23:21,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:23:21,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:23:21,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:23:21,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:23:21,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:21,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:21,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:21,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:22,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:22,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:22,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:22,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:23:22,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:23:22,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:23:22,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:23:22,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (1/1) ... [2021-12-06 18:23:22,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:23:22,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:23:22,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:23:22,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0fcc4-4087-4faf-a52a-f0d8993efc87/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:23:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2021-12-06 18:23:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2021-12-06 18:23:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-06 18:23:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-06 18:23:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2021-12-06 18:23:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2021-12-06 18:23:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2021-12-06 18:23:22,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2021-12-06 18:23:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 18:23:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 18:23:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-12-06 18:23:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-12-06 18:23:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2021-12-06 18:23:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2021-12-06 18:23:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 18:23:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 18:23:22,313 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2021-12-06 18:23:22,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2021-12-06 18:23:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 18:23:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 18:23:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2021-12-06 18:23:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2021-12-06 18:23:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2021-12-06 18:23:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2021-12-06 18:23:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2021-12-06 18:23:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2021-12-06 18:23:22,314 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2021-12-06 18:23:22,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2021-12-06 18:23:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2021-12-06 18:23:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2021-12-06 18:23:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2021-12-06 18:23:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2021-12-06 18:23:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 18:23:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 18:23:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-06 18:23:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-06 18:23:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 18:23:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 18:23:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 18:23:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 18:23:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:23:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2021-12-06 18:23:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2021-12-06 18:23:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2021-12-06 18:23:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2021-12-06 18:23:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2021-12-06 18:23:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2021-12-06 18:23:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 18:23:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 18:23:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 18:23:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 18:23:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2021-12-06 18:23:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2021-12-06 18:23:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2021-12-06 18:23:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2021-12-06 18:23:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2021-12-06 18:23:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2021-12-06 18:23:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-06 18:23:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-06 18:23:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 18:23:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2021-12-06 18:23:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2021-12-06 18:23:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-12-06 18:23:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-12-06 18:23:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 18:23:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 18:23:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 18:23:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-12-06 18:23:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-12-06 18:23:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2021-12-06 18:23:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2021-12-06 18:23:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:23:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2021-12-06 18:23:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2021-12-06 18:23:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 18:23:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 18:23:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 18:23:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 18:23:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-12-06 18:23:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-12-06 18:23:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 18:23:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 18:23:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2021-12-06 18:23:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2021-12-06 18:23:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2021-12-06 18:23:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2021-12-06 18:23:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:23:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2021-12-06 18:23:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2021-12-06 18:23:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2021-12-06 18:23:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2021-12-06 18:23:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 18:23:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 18:23:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2021-12-06 18:23:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2021-12-06 18:23:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 18:23:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 18:23:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:23:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2021-12-06 18:23:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2021-12-06 18:23:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 18:23:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 18:23:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2021-12-06 18:23:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2021-12-06 18:23:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:23:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-12-06 18:23:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-12-06 18:23:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2021-12-06 18:23:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2021-12-06 18:23:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:23:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:23:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-12-06 18:23:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-12-06 18:23:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2021-12-06 18:23:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2021-12-06 18:23:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 18:23:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 18:23:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2021-12-06 18:23:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2021-12-06 18:23:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-06 18:23:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-06 18:23:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 18:23:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 18:23:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:23:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:23:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 18:23:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 18:23:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-06 18:23:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-06 18:23:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 18:23:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 18:23:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 18:23:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 18:23:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-12-06 18:23:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-12-06 18:23:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 18:23:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 18:23:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2021-12-06 18:23:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2021-12-06 18:23:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 18:23:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 18:23:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 18:23:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 18:23:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2021-12-06 18:23:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2021-12-06 18:23:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-06 18:23:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-06 18:23:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2021-12-06 18:23:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2021-12-06 18:23:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-12-06 18:23:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-12-06 18:23:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2021-12-06 18:23:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2021-12-06 18:23:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 18:23:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 18:23:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2021-12-06 18:23:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2021-12-06 18:23:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 18:23:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 18:23:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-06 18:23:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-06 18:23:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 18:23:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 18:23:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:23:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 18:23:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 18:23:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2021-12-06 18:23:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2021-12-06 18:23:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:23:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2021-12-06 18:23:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2021-12-06 18:23:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2021-12-06 18:23:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2021-12-06 18:23:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2021-12-06 18:23:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2021-12-06 18:23:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-06 18:23:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-06 18:23:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 18:23:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2021-12-06 18:23:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2021-12-06 18:23:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 18:23:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 18:23:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2021-12-06 18:23:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2021-12-06 18:23:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 18:23:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 18:23:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 18:23:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 18:23:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2021-12-06 18:23:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2021-12-06 18:23:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 18:23:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 18:23:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 18:23:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 18:23:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2021-12-06 18:23:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2021-12-06 18:23:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-06 18:23:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-06 18:23:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 18:23:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 18:23:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2021-12-06 18:23:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2021-12-06 18:23:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-06 18:23:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-06 18:23:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2021-12-06 18:23:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2021-12-06 18:23:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 18:23:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 18:23:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2021-12-06 18:23:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2021-12-06 18:23:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2021-12-06 18:23:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2021-12-06 18:23:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2021-12-06 18:23:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2021-12-06 18:23:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:23:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2021-12-06 18:23:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2021-12-06 18:23:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 18:23:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 18:23:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2021-12-06 18:23:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2021-12-06 18:23:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-06 18:23:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-06 18:23:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-06 18:23:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-06 18:23:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2021-12-06 18:23:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2021-12-06 18:23:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 18:23:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 18:23:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 18:23:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 18:23:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2021-12-06 18:23:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2021-12-06 18:23:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2021-12-06 18:23:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2021-12-06 18:23:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2021-12-06 18:23:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2021-12-06 18:23:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2021-12-06 18:23:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2021-12-06 18:23:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2021-12-06 18:23:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2021-12-06 18:23:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-06 18:23:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:23:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-06 18:23:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-06 18:23:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2021-12-06 18:23:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2021-12-06 18:23:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 18:23:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 18:23:22,968 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:23:22,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:23:23,270 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 18:23:38,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 18:23:38,321 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:23:38,342 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:23:38,342 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:23:38,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:38 BoogieIcfgContainer [2021-12-06 18:23:38,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:23:38,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:23:38,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:23:38,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:23:38,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:23:18" (1/3) ... [2021-12-06 18:23:38,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf718cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:23:38, skipping insertion in model container [2021-12-06 18:23:38,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:23:21" (2/3) ... [2021-12-06 18:23:38,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf718cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:23:38, skipping insertion in model container [2021-12-06 18:23:38,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:23:38" (3/3) ... [2021-12-06 18:23:38,352 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-12-06 18:23:38,355 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:23:38,356 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 18:23:38,400 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:23:38,405 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 18:23:38,405 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 18:23:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 2661 states, 1854 states have (on average 1.306903991370011) internal successors, (2423), 1858 states have internal predecessors, (2423), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) [2021-12-06 18:23:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-12-06 18:23:38,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:23:38,483 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:23:38,483 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 18:23:38,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:23:38,487 INFO L85 PathProgramCache]: Analyzing trace with hash -263096511, now seen corresponding path program 1 times [2021-12-06 18:23:38,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:23:38,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311310371] [2021-12-06 18:23:38,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:38,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:23:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:23:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:23:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:23:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:23:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:23:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:23:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:23:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:23:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:23:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:23:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:23:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:23:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:23:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:23:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:23:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:23:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:23:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:23:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:23:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:23:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:23:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:23:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:23:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:23:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:23:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:23:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:23:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:23:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:23:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:23:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:23:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:23:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:23:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:23:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:23:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:23:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:23:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-06 18:23:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-12-06 18:23:39,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:23:39,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311310371] [2021-12-06 18:23:39,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311310371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:23:39,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:23:39,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:23:39,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648675807] [2021-12-06 18:23:39,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:23:39,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:23:39,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:23:39,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:23:39,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:23:39,933 INFO L87 Difference]: Start difference. First operand has 2661 states, 1854 states have (on average 1.306903991370011) internal successors, (2423), 1858 states have internal predecessors, (2423), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 18:23:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:23:44,875 INFO L93 Difference]: Finished difference Result 7769 states and 11221 transitions. [2021-12-06 18:23:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:23:44,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2021-12-06 18:23:44,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:23:44,928 INFO L225 Difference]: With dead ends: 7769 [2021-12-06 18:23:44,928 INFO L226 Difference]: Without dead ends: 5173 [2021-12-06 18:23:44,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:23:44,949 INFO L933 BasicCegarLoop]: 4280 mSDtfsCounter, 3865 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 1424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 9867 SdHoareTripleChecker+Invalid, 2987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1424 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:23:44,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 9867 Invalid, 2987 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1424 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-06 18:23:44,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2021-12-06 18:23:45,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 5101. [2021-12-06 18:23:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5101 states, 3583 states have (on average 1.3067262070890315) internal successors, (4682), 3590 states have internal predecessors, (4682), 1289 states have call successors, (1289), 227 states have call predecessors, (1289), 226 states have return successors, (1285), 1285 states have call predecessors, (1285), 1285 states have call successors, (1285) [2021-12-06 18:23:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 5101 states and 7256 transitions. [2021-12-06 18:23:45,281 INFO L78 Accepts]: Start accepts. Automaton has 5101 states and 7256 transitions. Word has length 430 [2021-12-06 18:23:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:23:45,283 INFO L470 AbstractCegarLoop]: Abstraction has 5101 states and 7256 transitions. [2021-12-06 18:23:45,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 18:23:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 7256 transitions. [2021-12-06 18:23:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-06 18:23:45,302 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:23:45,302 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:23:45,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:23:45,302 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 18:23:45,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:23:45,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1368317239, now seen corresponding path program 1 times [2021-12-06 18:23:45,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:23:45,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741315447] [2021-12-06 18:23:45,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:23:45,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:23:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:23:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:23:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:23:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:23:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:23:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:23:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:23:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:23:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:23:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:23:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:23:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:23:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:23:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:23:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:23:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:23:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:23:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:23:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:45,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:23:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:23:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:23:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:23:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:23:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:23:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:23:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:23:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:23:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:23:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:23:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:23:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:23:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:23:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:23:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:23:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:23:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:23:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:23:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:23:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-06 18:23:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-06 18:23:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-06 18:23:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 18:23:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-06 18:23:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 18:23:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-06 18:23:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-12-06 18:23:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:23:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-12-06 18:23:46,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:23:46,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741315447] [2021-12-06 18:23:46,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741315447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:23:46,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:23:46,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:23:46,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125331709] [2021-12-06 18:23:46,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:23:46,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:23:46,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:23:46,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:23:46,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:23:46,460 INFO L87 Difference]: Start difference. First operand 5101 states and 7256 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:23:52,015 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 18:23:55,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:23:58,876 WARN L534 Checker$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 18:24:02,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:06,231 WARN L534 Checker$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 18:24:09,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:11,661 WARN L534 Checker$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 18:24:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:24:12,423 INFO L93 Difference]: Finished difference Result 12802 states and 18382 transitions. [2021-12-06 18:24:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:24:12,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 480 [2021-12-06 18:24:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:24:12,476 INFO L225 Difference]: With dead ends: 12802 [2021-12-06 18:24:12,476 INFO L226 Difference]: Without dead ends: 7778 [2021-12-06 18:24:12,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:24:12,496 INFO L933 BasicCegarLoop]: 4123 mSDtfsCounter, 4645 mSDsluCounter, 7135 mSDsCounter, 0 mSdLazyCounter, 3307 mSolverCounterSat, 3142 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 11258 SdHoareTripleChecker+Invalid, 6456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3142 IncrementalHoareTripleChecker+Valid, 3307 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:24:12,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5177 Valid, 11258 Invalid, 6456 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3142 Valid, 3307 Invalid, 7 Unknown, 0 Unchecked, 25.5s Time] [2021-12-06 18:24:12,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7778 states. [2021-12-06 18:24:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7778 to 7500. [2021-12-06 18:24:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5286 states have (on average 1.3057132046916382) internal successors, (6902), 5299 states have internal predecessors, (6902), 1869 states have call successors, (1869), 343 states have call predecessors, (1869), 342 states have return successors, (1865), 1860 states have call predecessors, (1865), 1865 states have call successors, (1865) [2021-12-06 18:24:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 10636 transitions. [2021-12-06 18:24:12,799 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 10636 transitions. Word has length 480 [2021-12-06 18:24:12,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:24:12,801 INFO L470 AbstractCegarLoop]: Abstraction has 7500 states and 10636 transitions. [2021-12-06 18:24:12,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:24:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 10636 transitions. [2021-12-06 18:24:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-12-06 18:24:12,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:24:12,818 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:24:12,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:24:12,818 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 18:24:12,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:24:12,818 INFO L85 PathProgramCache]: Analyzing trace with hash 596795748, now seen corresponding path program 1 times [2021-12-06 18:24:12,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:24:12,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96055636] [2021-12-06 18:24:12,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:24:12,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:24:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:24:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:24:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:24:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:24:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:24:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:24:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:24:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:24:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:24:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:24:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:24:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:24:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:24:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:24:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:24:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:24:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:24:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:24:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:24:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:24:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:24:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:24:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:24:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:24:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:24:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:24:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:24:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:24:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:24:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:24:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:24:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:24:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:24:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:24:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:24:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:24:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:24:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-06 18:24:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-06 18:24:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-06 18:24:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-06 18:24:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-06 18:24:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-06 18:24:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-06 18:24:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 18:24:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:13,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-12-06 18:24:13,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:24:13,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96055636] [2021-12-06 18:24:13,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96055636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:24:13,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:24:13,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:24:13,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336685163] [2021-12-06 18:24:13,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:24:13,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:24:13,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:24:13,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:24:13,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:24:13,894 INFO L87 Difference]: Start difference. First operand 7500 states and 10636 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:24:19,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:22,807 WARN L534 Checker$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 18:24:26,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:29,088 WARN L534 Checker$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 18:24:32,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:35,514 WARN L534 Checker$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 18:24:37,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:24:37,377 INFO L93 Difference]: Finished difference Result 22483 states and 32244 transitions. [2021-12-06 18:24:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:24:37,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 488 [2021-12-06 18:24:37,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:24:37,465 INFO L225 Difference]: With dead ends: 22483 [2021-12-06 18:24:37,465 INFO L226 Difference]: Without dead ends: 15060 [2021-12-06 18:24:37,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:24:37,491 INFO L933 BasicCegarLoop]: 4130 mSDtfsCounter, 4547 mSDsluCounter, 7155 mSDsCounter, 0 mSdLazyCounter, 3280 mSolverCounterSat, 3102 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5080 SdHoareTripleChecker+Valid, 11285 SdHoareTripleChecker+Invalid, 6388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3102 IncrementalHoareTripleChecker+Valid, 3280 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:24:37,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5080 Valid, 11285 Invalid, 6388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3102 Valid, 3280 Invalid, 6 Unknown, 0 Unchecked, 23.0s Time] [2021-12-06 18:24:37,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15060 states. [2021-12-06 18:24:37,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15060 to 14544. [2021-12-06 18:24:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14544 states, 10282 states have (on average 1.3066524022563704) internal successors, (13435), 10312 states have internal predecessors, (13435), 3590 states have call successors, (3590), 670 states have call predecessors, (3590), 669 states have return successors, (3586), 3567 states have call predecessors, (3586), 3586 states have call successors, (3586) [2021-12-06 18:24:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14544 states to 14544 states and 20611 transitions. [2021-12-06 18:24:38,031 INFO L78 Accepts]: Start accepts. Automaton has 14544 states and 20611 transitions. Word has length 488 [2021-12-06 18:24:38,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:24:38,031 INFO L470 AbstractCegarLoop]: Abstraction has 14544 states and 20611 transitions. [2021-12-06 18:24:38,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:24:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 14544 states and 20611 transitions. [2021-12-06 18:24:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-12-06 18:24:38,044 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:24:38,045 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:24:38,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:24:38,045 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 18:24:38,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:24:38,045 INFO L85 PathProgramCache]: Analyzing trace with hash 845280276, now seen corresponding path program 1 times [2021-12-06 18:24:38,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:24:38,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499272124] [2021-12-06 18:24:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:24:38,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:24:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:24:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:24:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:24:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:24:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:24:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:24:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:24:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:24:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:24:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:24:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:24:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:24:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:24:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:24:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:24:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:24:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:24:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:24:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:24:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:24:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:24:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:24:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:24:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:24:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:24:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:24:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:24:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:24:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:24:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:24:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:24:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:24:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:24:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:24:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:24:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:24:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:24:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-06 18:24:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-06 18:24:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-06 18:24:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:24:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-06 18:24:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-06 18:24:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-06 18:24:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-06 18:24:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-12-06 18:24:38,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:24:38,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499272124] [2021-12-06 18:24:38,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499272124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:24:38,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:24:38,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:24:38,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760170867] [2021-12-06 18:24:38,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:24:38,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:24:38,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:24:38,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:24:38,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:24:38,973 INFO L87 Difference]: Start difference. First operand 14544 states and 20611 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:24:43,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:47,071 WARN L534 Checker$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 18:24:51,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:24:54,621 WARN L534 Checker$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 18:24:58,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:24:58,588 INFO L93 Difference]: Finished difference Result 39203 states and 56062 transitions. [2021-12-06 18:24:58,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:24:58,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 482 [2021-12-06 18:24:58,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:24:58,709 INFO L225 Difference]: With dead ends: 39203 [2021-12-06 18:24:58,709 INFO L226 Difference]: Without dead ends: 24736 [2021-12-06 18:24:58,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:24:58,745 INFO L933 BasicCegarLoop]: 4215 mSDtfsCounter, 4645 mSDsluCounter, 7267 mSDsCounter, 0 mSdLazyCounter, 3308 mSolverCounterSat, 3090 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 11482 SdHoareTripleChecker+Invalid, 6402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3090 IncrementalHoareTripleChecker+Valid, 3308 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:24:58,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5177 Valid, 11482 Invalid, 6402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3090 Valid, 3308 Invalid, 4 Unknown, 0 Unchecked, 18.9s Time] [2021-12-06 18:24:58,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24736 states. [2021-12-06 18:24:59,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24736 to 23890. [2021-12-06 18:24:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23890 states, 16924 states have (on average 1.3054242495863861) internal successors, (22093), 16982 states have internal predecessors, (22093), 5842 states have call successors, (5842), 1122 states have call predecessors, (5842), 1121 states have return successors, (5838), 5795 states have call predecessors, (5838), 5838 states have call successors, (5838) [2021-12-06 18:24:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23890 states to 23890 states and 33773 transitions. [2021-12-06 18:24:59,508 INFO L78 Accepts]: Start accepts. Automaton has 23890 states and 33773 transitions. Word has length 482 [2021-12-06 18:24:59,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:24:59,508 INFO L470 AbstractCegarLoop]: Abstraction has 23890 states and 33773 transitions. [2021-12-06 18:24:59,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:24:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 23890 states and 33773 transitions. [2021-12-06 18:24:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-12-06 18:24:59,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:24:59,520 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:24:59,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:24:59,520 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 18:24:59,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:24:59,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1500503211, now seen corresponding path program 1 times [2021-12-06 18:24:59,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:24:59,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130805878] [2021-12-06 18:24:59,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:24:59,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:24:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:24:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:24:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:24:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:24:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:24:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:24:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:24:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:24:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:24:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:24:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:24:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:24:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:24:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:24:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:24:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:24:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:24:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:24:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:24:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:24:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:24:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:24:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:24:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:25:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:25:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:25:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:25:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:25:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:25:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:25:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:25:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:25:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:25:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:25:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:25:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:25:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:25:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:25:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:25:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-12-06 18:25:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 18:25:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-06 18:25:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-06 18:25:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-06 18:25:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-06 18:25:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-06 18:25:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 18:25:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-12-06 18:25:00,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:25:00,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130805878] [2021-12-06 18:25:00,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130805878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:25:00,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:25:00,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:25:00,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215107305] [2021-12-06 18:25:00,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:25:00,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:25:00,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:25:00,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:25:00,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:25:00,287 INFO L87 Difference]: Start difference. First operand 23890 states and 33773 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, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:25:04,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:08,235 WARN L534 Checker$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 18:25:14,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:17,240 WARN L534 Checker$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 18:25:20,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:23,289 WARN L534 Checker$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 18:25:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:25:25,254 INFO L93 Difference]: Finished difference Result 66053 states and 94277 transitions. [2021-12-06 18:25:25,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:25:25,255 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, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 481 [2021-12-06 18:25:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:25:25,419 INFO L225 Difference]: With dead ends: 66053 [2021-12-06 18:25:25,419 INFO L226 Difference]: Without dead ends: 42240 [2021-12-06 18:25:25,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:25:25,469 INFO L933 BasicCegarLoop]: 4551 mSDtfsCounter, 4455 mSDsluCounter, 7572 mSDsCounter, 0 mSdLazyCounter, 3429 mSolverCounterSat, 2919 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4989 SdHoareTripleChecker+Valid, 12123 SdHoareTripleChecker+Invalid, 6354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2919 IncrementalHoareTripleChecker+Valid, 3429 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:25:25,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4989 Valid, 12123 Invalid, 6354 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2919 Valid, 3429 Invalid, 6 Unknown, 0 Unchecked, 23.9s Time] [2021-12-06 18:25:25,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42240 states. [2021-12-06 18:25:26,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42240 to 40885. [2021-12-06 18:25:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40885 states, 29012 states have (on average 1.3049083138011857) internal successors, (37858), 29126 states have internal predecessors, (37858), 9937 states have call successors, (9937), 1934 states have call predecessors, (9937), 1933 states have return successors, (9933), 9842 states have call predecessors, (9933), 9933 states have call successors, (9933) [2021-12-06 18:25:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40885 states to 40885 states and 57728 transitions. [2021-12-06 18:25:26,672 INFO L78 Accepts]: Start accepts. Automaton has 40885 states and 57728 transitions. Word has length 481 [2021-12-06 18:25:26,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:25:26,673 INFO L470 AbstractCegarLoop]: Abstraction has 40885 states and 57728 transitions. [2021-12-06 18:25:26,673 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, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:25:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 40885 states and 57728 transitions. [2021-12-06 18:25:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-12-06 18:25:26,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:25:26,683 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:25:26,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:25:26,683 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 18:25:26,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:25:26,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1946866365, now seen corresponding path program 1 times [2021-12-06 18:25:26,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:25:26,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639087596] [2021-12-06 18:25:26,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:25:26,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:25:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:25:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:25:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:25:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:25:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:25:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:25:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:25:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:25:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:25:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:25:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:25:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:25:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:25:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:25:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:25:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:25:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:25:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:25:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:25:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:25:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:25:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:25:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:25:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:25:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:25:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:25:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:25:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:25:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:25:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:25:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:25:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:25:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:25:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:25:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:25:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:25:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:25:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:25:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:25:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:25:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:25:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:25:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:25:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:25:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6144 trivial. 0 not checked. [2021-12-06 18:25:27,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:25:27,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639087596] [2021-12-06 18:25:27,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639087596] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:25:27,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:25:27,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:25:27,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781393549] [2021-12-06 18:25:27,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:25:27,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:25:27,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:25:27,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:25:27,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:25:27,600 INFO L87 Difference]: Start difference. First operand 40885 states and 57728 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, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:25:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:25:33,591 INFO L93 Difference]: Finished difference Result 114928 states and 162399 transitions. [2021-12-06 18:25:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:25:33,592 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, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 493 [2021-12-06 18:25:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:25:33,856 INFO L225 Difference]: With dead ends: 114928 [2021-12-06 18:25:33,856 INFO L226 Difference]: Without dead ends: 77750 [2021-12-06 18:25:33,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:25:33,950 INFO L933 BasicCegarLoop]: 7096 mSDtfsCounter, 3457 mSDsluCounter, 7356 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 14452 SdHoareTripleChecker+Invalid, 2545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:25:33,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3856 Valid, 14452 Invalid, 2545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-06 18:25:34,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77750 states. [2021-12-06 18:25:35,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77750 to 76659. [2021-12-06 18:25:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76659 states, 54448 states have (on average 1.305557596238613) internal successors, (71085), 54594 states have internal predecessors, (71085), 18574 states have call successors, (18574), 3635 states have call predecessors, (18574), 3634 states have return successors, (18570), 18463 states have call predecessors, (18570), 18570 states have call successors, (18570) [2021-12-06 18:25:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76659 states to 76659 states and 108229 transitions. [2021-12-06 18:25:36,319 INFO L78 Accepts]: Start accepts. Automaton has 76659 states and 108229 transitions. Word has length 493 [2021-12-06 18:25:36,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:25:36,320 INFO L470 AbstractCegarLoop]: Abstraction has 76659 states and 108229 transitions. [2021-12-06 18:25:36,320 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, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 18:25:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 76659 states and 108229 transitions. [2021-12-06 18:25:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-12-06 18:25:36,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:25:36,330 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:25:36,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 18:25:36,330 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 18:25:36,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:25:36,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1646501057, now seen corresponding path program 1 times [2021-12-06 18:25:36,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:25:36,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115883747] [2021-12-06 18:25:36,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:25:36,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:25:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:25:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:25:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:25:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:25:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:25:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:25:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:25:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:25:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:25:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:25:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:25:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:25:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:25:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:25:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:25:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:25:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:25:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:25:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:25:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:25:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:25:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:25:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:25:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:25:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:25:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:25:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:25:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:25:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:25:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:25:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:25:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:25:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:25:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:25:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:25:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:25:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:25:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:25:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:25:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:25:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:25:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:25:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:25:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:25:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-12-06 18:25:37,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:25:37,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115883747] [2021-12-06 18:25:37,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115883747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:25:37,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:25:37,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:25:37,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078609619] [2021-12-06 18:25:37,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:25:37,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:25:37,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:25:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:25:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:25:37,583 INFO L87 Difference]: Start difference. First operand 76659 states and 108229 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 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 18:25:42,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:25:42,690 INFO L93 Difference]: Finished difference Result 77752 states and 109738 transitions. [2021-12-06 18:25:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:25:42,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 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 493 [2021-12-06 18:25:42,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:25:42,946 INFO L225 Difference]: With dead ends: 77752 [2021-12-06 18:25:42,946 INFO L226 Difference]: Without dead ends: 77750 [2021-12-06 18:25:42,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 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 18:25:42,974 INFO L933 BasicCegarLoop]: 3675 mSDtfsCounter, 3588 mSDsluCounter, 8778 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3962 SdHoareTripleChecker+Valid, 12453 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-06 18:25:42,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3962 Valid, 12453 Invalid, 2323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-06 18:25:43,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77750 states. [2021-12-06 18:25:45,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77750 to 76663. [2021-12-06 18:25:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76663 states, 54451 states have (on average 1.305540761418523) internal successors, (71088), 54597 states have internal predecessors, (71088), 18574 states have call successors, (18574), 3636 states have call predecessors, (18574), 3635 states have return successors, (18570), 18463 states have call predecessors, (18570), 18570 states have call successors, (18570) [2021-12-06 18:25:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76663 states to 76663 states and 108232 transitions. [2021-12-06 18:25:45,526 INFO L78 Accepts]: Start accepts. Automaton has 76663 states and 108232 transitions. Word has length 493 [2021-12-06 18:25:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:25:45,526 INFO L470 AbstractCegarLoop]: Abstraction has 76663 states and 108232 transitions. [2021-12-06 18:25:45,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 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 18:25:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 76663 states and 108232 transitions. [2021-12-06 18:25:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-12-06 18:25:45,538 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:25:45,539 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 5, 5, 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] [2021-12-06 18:25:45,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 18:25:45,539 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 18:25:45,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:25:45,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1294525306, now seen corresponding path program 1 times [2021-12-06 18:25:45,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:25:45,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541960507] [2021-12-06 18:25:45,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:25:45,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:25:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:25:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:25:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:25:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:25:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:25:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:25:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:25:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:25:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:25:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:25:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:25:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:25:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:25:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:25:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:25:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:25:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:25:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:25:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:25:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:25:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:25:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:25:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:25:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:45,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:25:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:25:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:25:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:25:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:25:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:25:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:25:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:25:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:25:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:25:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:25:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:25:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:25:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:25:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:25:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:25:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:25:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:25:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:25:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:25:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:25:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-06 18:25:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 18:25:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:25:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-06 18:25:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:25:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-12-06 18:25:46,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:25:46,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541960507] [2021-12-06 18:25:46,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541960507] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:25:46,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:25:46,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:25:46,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324936212] [2021-12-06 18:25:46,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:25:46,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:25:46,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:25:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:25:46,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:25:46,291 INFO L87 Difference]: Start difference. First operand 76663 states and 108232 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, (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 18:25:51,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:53,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:55,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:25:57,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:03,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:05,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:09,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:11,202 WARN L534 Checker$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 18:26:13,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:15,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:26:21,248 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 18:26:24,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:26:24,734 INFO L93 Difference]: Finished difference Result 187035 states and 264165 transitions. [2021-12-06 18:26:24,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 18:26:24,735 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, (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 504 [2021-12-06 18:26:24,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:26:25,142 INFO L225 Difference]: With dead ends: 187035 [2021-12-06 18:26:25,143 INFO L226 Difference]: Without dead ends: 114079 [2021-12-06 18:26:25,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 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 18:26:25,306 INFO L933 BasicCegarLoop]: 6652 mSDtfsCounter, 4131 mSDsluCounter, 7368 mSDsCounter, 0 mSdLazyCounter, 5401 mSolverCounterSat, 2409 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4714 SdHoareTripleChecker+Valid, 14020 SdHoareTripleChecker+Invalid, 7821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2409 IncrementalHoareTripleChecker+Valid, 5401 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2021-12-06 18:26:25,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4714 Valid, 14020 Invalid, 7821 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2409 Valid, 5401 Invalid, 11 Unknown, 0 Unchecked, 35.4s Time] [2021-12-06 18:26:25,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114079 states. [2021-12-06 18:26:28,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114079 to 112453. [2021-12-06 18:26:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112453 states, 79903 states have (on average 1.3057206863321777) internal successors, (104331), 80081 states have internal predecessors, (104331), 27211 states have call successors, (27211), 5337 states have call predecessors, (27211), 5336 states have return successors, (27207), 27084 states have call predecessors, (27207), 27207 states have call successors, (27207) [2021-12-06 18:26:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112453 states to 112453 states and 158749 transitions. [2021-12-06 18:26:29,186 INFO L78 Accepts]: Start accepts. Automaton has 112453 states and 158749 transitions. Word has length 504 [2021-12-06 18:26:29,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:26:29,187 INFO L470 AbstractCegarLoop]: Abstraction has 112453 states and 158749 transitions. [2021-12-06 18:26:29,187 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, (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 18:26:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 112453 states and 158749 transitions. [2021-12-06 18:26:29,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-12-06 18:26:29,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:26:29,199 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:26:29,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 18:26:29,200 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 18:26:29,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:26:29,200 INFO L85 PathProgramCache]: Analyzing trace with hash 886442702, now seen corresponding path program 1 times [2021-12-06 18:26:29,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:26:29,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828300219] [2021-12-06 18:26:29,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:26:29,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:26:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:26:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:26:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:26:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:26:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:26:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:26:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:26:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:26:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:26:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:26:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:26:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:26:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:26:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:26:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:26:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:26:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:26:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:26:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:26:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:26:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:26:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:26:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:26:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:26:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:26:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:26:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:26:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:26:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:26:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:26:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:26:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:26:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:26:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:26:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:26:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:26:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:26:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:26:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:26:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:26:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:26:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:26:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:26:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:26:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:26:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-12-06 18:26:30,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:26:30,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828300219] [2021-12-06 18:26:30,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828300219] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:26:30,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:26:30,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:26:30,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744365226] [2021-12-06 18:26:30,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:26:30,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:26:30,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:26:30,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:26:30,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:26:30,145 INFO L87 Difference]: Start difference. First operand 112453 states and 158749 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:26:36,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:26:36,634 INFO L93 Difference]: Finished difference Result 115716 states and 162657 transitions. [2021-12-06 18:26:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 18:26:36,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 498 [2021-12-06 18:26:36,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:26:37,031 INFO L225 Difference]: With dead ends: 115716 [2021-12-06 18:26:37,031 INFO L226 Difference]: Without dead ends: 115714 [2021-12-06 18:26:37,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:26:37,072 INFO L933 BasicCegarLoop]: 3681 mSDtfsCounter, 3566 mSDsluCounter, 8829 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3938 SdHoareTripleChecker+Valid, 12510 SdHoareTripleChecker+Invalid, 2359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 825 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:26:37,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3938 Valid, 12510 Invalid, 2359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [825 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-06 18:26:37,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115714 states. [2021-12-06 18:26:40,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115714 to 113883. [2021-12-06 18:26:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113883 states, 80826 states have (on average 1.3039368520030683) internal successors, (105392), 81004 states have internal predecessors, (105392), 27441 states have call successors, (27441), 5614 states have call predecessors, (27441), 5613 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-12-06 18:26:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113883 states to 113883 states and 160270 transitions. [2021-12-06 18:26:41,547 INFO L78 Accepts]: Start accepts. Automaton has 113883 states and 160270 transitions. Word has length 498 [2021-12-06 18:26:41,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:26:41,548 INFO L470 AbstractCegarLoop]: Abstraction has 113883 states and 160270 transitions. [2021-12-06 18:26:41,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:26:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 113883 states and 160270 transitions. [2021-12-06 18:26:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-12-06 18:26:41,561 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:26:41,562 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:26:41,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 18:26:41,562 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 18:26:41,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:26:41,562 INFO L85 PathProgramCache]: Analyzing trace with hash -17900449, now seen corresponding path program 1 times [2021-12-06 18:26:41,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:26:41,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036279837] [2021-12-06 18:26:41,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:26:41,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:26:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:26:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:26:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:26:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:26:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:26:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:26:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:26:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:26:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:26:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:26:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:26:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:26:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:26:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:26:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:26:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:26:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:26:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:26:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:26:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:26:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:26:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:26:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:26:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:26:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:26:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:26:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:26:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:26:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:26:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:26:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:26:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:26:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:26:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:26:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:26:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:26:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:26:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:26:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:26:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:26:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:26:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:26:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:26:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:26:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:26:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:26:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6164 trivial. 0 not checked. [2021-12-06 18:26:42,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:26:42,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036279837] [2021-12-06 18:26:42,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036279837] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:26:42,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:26:42,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:26:42,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032924612] [2021-12-06 18:26:42,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:26:42,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:26:42,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:26:42,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:26:42,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:26:42,399 INFO L87 Difference]: Start difference. First operand 113883 states and 160270 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:26:49,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:26:49,335 INFO L93 Difference]: Finished difference Result 115720 states and 162660 transitions. [2021-12-06 18:26:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:26:49,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 503 [2021-12-06 18:26:49,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:26:49,825 INFO L225 Difference]: With dead ends: 115720 [2021-12-06 18:26:49,826 INFO L226 Difference]: Without dead ends: 115718 [2021-12-06 18:26:49,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:26:49,886 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:26:49,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-06 18:26:49,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115718 states. [2021-12-06 18:26:53,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115718 to 113887. [2021-12-06 18:26:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113887 states, 80829 states have (on average 1.303925571267738) internal successors, (105395), 81007 states have internal predecessors, (105395), 27441 states have call successors, (27441), 5615 states have call predecessors, (27441), 5614 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-12-06 18:26:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113887 states to 113887 states and 160273 transitions. [2021-12-06 18:26:54,431 INFO L78 Accepts]: Start accepts. Automaton has 113887 states and 160273 transitions. Word has length 503 [2021-12-06 18:26:54,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:26:54,432 INFO L470 AbstractCegarLoop]: Abstraction has 113887 states and 160273 transitions. [2021-12-06 18:26:54,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:26:54,432 INFO L276 IsEmpty]: Start isEmpty. Operand 113887 states and 160273 transitions. [2021-12-06 18:26:54,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2021-12-06 18:26:54,448 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:26:54,448 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:26:54,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 18:26:54,448 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 18:26:54,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:26:54,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1614574894, now seen corresponding path program 1 times [2021-12-06 18:26:54,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:26:54,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622574269] [2021-12-06 18:26:54,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:26:54,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:26:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:26:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:26:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:26:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:26:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:26:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:26:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:26:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:26:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:26:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:26:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:26:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:26:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:26:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:26:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:26:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:26:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:26:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:26:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:26:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:26:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:26:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:26:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:26:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:26:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:26:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:26:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:26:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:26:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:26:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:26:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:26:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:26:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:26:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:26:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:26:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:26:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:26:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:26:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:26:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:26:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:26:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:26:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:26:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:26:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:26:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:26:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:26:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 18:26:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:26:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6178 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6172 trivial. 0 not checked. [2021-12-06 18:26:55,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:26:55,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622574269] [2021-12-06 18:26:55,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622574269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:26:55,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:26:55,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:26:55,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547581610] [2021-12-06 18:26:55,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:26:55,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:26:55,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:26:55,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:26:55,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:26:55,323 INFO L87 Difference]: Start difference. First operand 113887 states and 160273 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:27:02,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:27:02,609 INFO L93 Difference]: Finished difference Result 115724 states and 162663 transitions. [2021-12-06 18:27:02,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:27:02,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 508 [2021-12-06 18:27:02,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:27:03,064 INFO L225 Difference]: With dead ends: 115724 [2021-12-06 18:27:03,064 INFO L226 Difference]: Without dead ends: 115722 [2021-12-06 18:27:03,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:27:03,111 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 818 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:27:03,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [818 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-06 18:27:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115722 states. [2021-12-06 18:27:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115722 to 113891. [2021-12-06 18:27:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113891 states, 80832 states have (on average 1.3039142913697546) internal successors, (105398), 81010 states have internal predecessors, (105398), 27441 states have call successors, (27441), 5616 states have call predecessors, (27441), 5615 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-12-06 18:27:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113891 states to 113891 states and 160276 transitions. [2021-12-06 18:27:07,525 INFO L78 Accepts]: Start accepts. Automaton has 113891 states and 160276 transitions. Word has length 508 [2021-12-06 18:27:07,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:27:07,526 INFO L470 AbstractCegarLoop]: Abstraction has 113891 states and 160276 transitions. [2021-12-06 18:27:07,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:27:07,526 INFO L276 IsEmpty]: Start isEmpty. Operand 113891 states and 160276 transitions. [2021-12-06 18:27:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-12-06 18:27:07,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:27:07,540 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:27:07,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 18:27:07,540 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 18:27:07,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:27:07,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1996087937, now seen corresponding path program 1 times [2021-12-06 18:27:07,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:27:07,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657566434] [2021-12-06 18:27:07,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:27:07,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:27:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:27:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:27:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:27:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:27:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:27:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:27:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:27:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:27:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:27:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:27:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:27:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:27:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:27:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:27:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:27:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:27:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:27:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:27:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:27:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:27:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:27:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:27:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:27:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:27:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:27:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:27:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:27:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:27:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:27:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:27:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:27:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:27:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:27:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:27:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:27:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:27:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:27:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:27:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:27:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:27:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:27:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:27:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:27:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:27:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:27:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:27:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 18:27:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-06 18:27:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6192 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6184 trivial. 0 not checked. [2021-12-06 18:27:08,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:27:08,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657566434] [2021-12-06 18:27:08,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657566434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:27:08,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:27:08,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:27:08,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357827270] [2021-12-06 18:27:08,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:27:08,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:27:08,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:27:08,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:27:08,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:27:08,427 INFO L87 Difference]: Start difference. First operand 113891 states and 160276 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:27:15,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:27:15,245 INFO L93 Difference]: Finished difference Result 115728 states and 162666 transitions. [2021-12-06 18:27:15,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:27:15,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 513 [2021-12-06 18:27:15,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:27:15,683 INFO L225 Difference]: With dead ends: 115728 [2021-12-06 18:27:15,683 INFO L226 Difference]: Without dead ends: 115726 [2021-12-06 18:27:15,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:27:15,743 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 817 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 817 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:27:15,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [817 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-06 18:27:15,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115726 states. [2021-12-06 18:27:19,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115726 to 113895. [2021-12-06 18:27:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113895 states, 80835 states have (on average 1.3039030123090245) internal successors, (105401), 81013 states have internal predecessors, (105401), 27441 states have call successors, (27441), 5617 states have call predecessors, (27441), 5616 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-12-06 18:27:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113895 states to 113895 states and 160279 transitions. [2021-12-06 18:27:20,235 INFO L78 Accepts]: Start accepts. Automaton has 113895 states and 160279 transitions. Word has length 513 [2021-12-06 18:27:20,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:27:20,235 INFO L470 AbstractCegarLoop]: Abstraction has 113895 states and 160279 transitions. [2021-12-06 18:27:20,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:27:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 113895 states and 160279 transitions. [2021-12-06 18:27:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2021-12-06 18:27:20,249 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:27:20,249 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:27:20,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 18:27:20,249 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 18:27:20,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:27:20,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1369761906, now seen corresponding path program 1 times [2021-12-06 18:27:20,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:27:20,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182775580] [2021-12-06 18:27:20,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:27:20,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:27:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:27:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:27:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:27:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:27:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:27:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:27:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:27:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:27:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:27:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:27:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:27:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:27:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:27:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:27:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:27:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:27:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:27:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:27:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:27:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:27:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:27:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:27:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:27:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:27:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:27:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:27:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:27:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:27:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:27:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:27:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:27:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:27:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:27:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:27:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:27:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:27:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:27:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:27:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:27:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:27:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:27:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:27:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:27:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:27:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:27:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:27:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 18:27:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-06 18:27:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 18:27:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6210 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6200 trivial. 0 not checked. [2021-12-06 18:27:21,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:27:21,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182775580] [2021-12-06 18:27:21,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182775580] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:27:21,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:27:21,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:27:21,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292195691] [2021-12-06 18:27:21,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:27:21,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:27:21,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:27:21,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:27:21,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:27:21,158 INFO L87 Difference]: Start difference. First operand 113895 states and 160279 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:27:28,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:27:28,284 INFO L93 Difference]: Finished difference Result 115732 states and 162669 transitions. [2021-12-06 18:27:28,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:27:28,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 518 [2021-12-06 18:27:28,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:27:28,702 INFO L225 Difference]: With dead ends: 115732 [2021-12-06 18:27:28,702 INFO L226 Difference]: Without dead ends: 115730 [2021-12-06 18:27:28,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:27:28,755 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:27:28,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [816 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-06 18:27:28,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115730 states. [2021-12-06 18:27:32,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115730 to 113899. [2021-12-06 18:27:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113899 states, 80838 states have (on average 1.3038917340854548) internal successors, (105404), 81016 states have internal predecessors, (105404), 27441 states have call successors, (27441), 5618 states have call predecessors, (27441), 5617 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-12-06 18:27:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113899 states to 113899 states and 160282 transitions. [2021-12-06 18:27:33,530 INFO L78 Accepts]: Start accepts. Automaton has 113899 states and 160282 transitions. Word has length 518 [2021-12-06 18:27:33,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:27:33,530 INFO L470 AbstractCegarLoop]: Abstraction has 113899 states and 160282 transitions. [2021-12-06 18:27:33,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:27:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 113899 states and 160282 transitions. [2021-12-06 18:27:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-12-06 18:27:33,543 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:27:33,544 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:27:33,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 18:27:33,544 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:27:33,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:27:33,544 INFO L85 PathProgramCache]: Analyzing trace with hash -286579307, now seen corresponding path program 1 times [2021-12-06 18:27:33,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:27:33,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165863141] [2021-12-06 18:27:33,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:27:33,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:27:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:27:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:27:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:27:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:27:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:27:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:27:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:27:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:27:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:27:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:27:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:27:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:27:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:27:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:27:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:27:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:27:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:27:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:27:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:27:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:27:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:27:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:27:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:27:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:27:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:27:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:27:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:27:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:27:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:27:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:27:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:27:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:27:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:27:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:27:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:27:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:27:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:27:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:27:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-06 18:27:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-06 18:27:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-06 18:27:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-06 18:27:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-06 18:27:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 18:27:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:27:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:27:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:27:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 18:27:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:27:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5909 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5898 trivial. 0 not checked. [2021-12-06 18:27:34,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:27:34,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165863141] [2021-12-06 18:27:34,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165863141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:27:34,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:27:34,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:27:34,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423592744] [2021-12-06 18:27:34,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:27:34,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:27:34,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:27:34,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:27:34,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:27:34,230 INFO L87 Difference]: Start difference. First operand 113899 states and 160282 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-06 18:27:37,807 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 18:27:41,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:27:45,856 WARN L534 Checker$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 18:27:51,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:27:54,022 WARN L534 Checker$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 18:28:00,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:03,362 WARN L534 Checker$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 18:28:05,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:28:09,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:28:09,496 INFO L93 Difference]: Finished difference Result 343674 states and 488072 transitions. [2021-12-06 18:28:09,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:28:09,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 515 [2021-12-06 18:28:09,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:28:10,483 INFO L225 Difference]: With dead ends: 343674 [2021-12-06 18:28:10,483 INFO L226 Difference]: Without dead ends: 229852 [2021-12-06 18:28:10,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:28:10,779 INFO L933 BasicCegarLoop]: 5073 mSDtfsCounter, 4344 mSDsluCounter, 8135 mSDsCounter, 0 mSdLazyCounter, 3467 mSolverCounterSat, 2697 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4900 SdHoareTripleChecker+Valid, 13208 SdHoareTripleChecker+Invalid, 6172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2697 IncrementalHoareTripleChecker+Valid, 3467 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:28:10,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4900 Valid, 13208 Invalid, 6172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2697 Valid, 3467 Invalid, 8 Unknown, 0 Unchecked, 28.0s Time] [2021-12-06 18:28:10,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229852 states. [2021-12-06 18:28:19,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229852 to 221575. [2021-12-06 18:28:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221575 states, 157252 states have (on average 1.3036209396382876) internal successors, (204997), 157567 states have internal predecessors, (204997), 53382 states have call successors, (53382), 10955 states have call predecessors, (53382), 10938 states have return successors, (53378), 53149 states have call predecessors, (53378), 53378 states have call successors, (53378) [2021-12-06 18:28:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221575 states to 221575 states and 311757 transitions. [2021-12-06 18:28:20,801 INFO L78 Accepts]: Start accepts. Automaton has 221575 states and 311757 transitions. Word has length 515 [2021-12-06 18:28:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:28:20,801 INFO L470 AbstractCegarLoop]: Abstraction has 221575 states and 311757 transitions. [2021-12-06 18:28:20,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-06 18:28:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 221575 states and 311757 transitions. [2021-12-06 18:28:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2021-12-06 18:28:20,814 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:28:20,814 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:28:20,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 18:28:20,815 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 18:28:20,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:28:20,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1925719711, now seen corresponding path program 1 times [2021-12-06 18:28:20,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:28:20,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982196715] [2021-12-06 18:28:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:28:20,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:28:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:28:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:28:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:28:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:28:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:28:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:28:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:28:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:28:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:28:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:28:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:28:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:28:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:28:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:28:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:28:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:28:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:28:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:28:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:28:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:28:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:28:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:28:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:28:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:28:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:28:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:28:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:28:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:28:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:28:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:28:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:28:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:28:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:28:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:28:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:28:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:28:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:28:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:28:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:28:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:28:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:28:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:28:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:28:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:28:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:28:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:28:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 18:28:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-06 18:28:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 18:28:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 18:28:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6232 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6220 trivial. 0 not checked. [2021-12-06 18:28:21,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:28:21,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982196715] [2021-12-06 18:28:21,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982196715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:28:21,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:28:21,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:28:21,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025147779] [2021-12-06 18:28:21,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:28:21,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:28:21,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:28:21,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:28:21,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:28:21,942 INFO L87 Difference]: Start difference. First operand 221575 states and 311757 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:28:32,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:28:32,347 INFO L93 Difference]: Finished difference Result 225143 states and 316374 transitions. [2021-12-06 18:28:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:28:32,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 523 [2021-12-06 18:28:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:28:33,166 INFO L225 Difference]: With dead ends: 225143 [2021-12-06 18:28:33,167 INFO L226 Difference]: Without dead ends: 225141 [2021-12-06 18:28:33,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:28:33,251 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:28:33,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [815 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-06 18:28:33,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225141 states. [2021-12-06 18:28:42,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225141 to 221579. [2021-12-06 18:28:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221579 states, 157255 states have (on average 1.3036151473721027) internal successors, (205000), 157570 states have internal predecessors, (205000), 53382 states have call successors, (53382), 10956 states have call predecessors, (53382), 10939 states have return successors, (53378), 53149 states have call predecessors, (53378), 53378 states have call successors, (53378) [2021-12-06 18:28:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221579 states to 221579 states and 311760 transitions. [2021-12-06 18:28:43,008 INFO L78 Accepts]: Start accepts. Automaton has 221579 states and 311760 transitions. Word has length 523 [2021-12-06 18:28:43,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:28:43,008 INFO L470 AbstractCegarLoop]: Abstraction has 221579 states and 311760 transitions. [2021-12-06 18:28:43,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:28:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 221579 states and 311760 transitions. [2021-12-06 18:28:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-06 18:28:43,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:28:43,023 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:28:43,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 18:28:43,023 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 18:28:43,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:28:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash 541848046, now seen corresponding path program 1 times [2021-12-06 18:28:43,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:28:43,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471496540] [2021-12-06 18:28:43,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:28:43,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:28:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:28:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:28:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:28:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:28:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:28:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:28:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:28:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:28:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:28:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:28:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:28:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:28:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:28:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:28:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:28:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:28:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:28:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:28:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:28:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:28:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:28:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:28:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:28:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:28:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:28:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:28:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:28:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:28:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:28:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:28:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:28:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:28:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:28:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:28:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:28:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:28:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:28:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:28:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:28:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:28:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:28:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:28:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:28:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:28:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:28:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:28:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:28:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 18:28:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-06 18:28:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 18:28:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 18:28:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-06 18:28:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:28:44,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6258 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6244 trivial. 0 not checked. [2021-12-06 18:28:44,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:28:44,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471496540] [2021-12-06 18:28:44,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471496540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:28:44,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:28:44,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:28:44,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722362109] [2021-12-06 18:28:44,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:28:44,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:28:44,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:28:44,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:28:44,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:28:44,074 INFO L87 Difference]: Start difference. First operand 221579 states and 311760 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:28:54,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:28:54,786 INFO L93 Difference]: Finished difference Result 225147 states and 316377 transitions. [2021-12-06 18:28:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:28:54,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 528 [2021-12-06 18:28:54,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:28:55,603 INFO L225 Difference]: With dead ends: 225147 [2021-12-06 18:28:55,603 INFO L226 Difference]: Without dead ends: 225145 [2021-12-06 18:28:55,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:28:55,683 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 814 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:28:55,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [814 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-06 18:28:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225145 states. [2021-12-06 18:29:05,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225145 to 221583. [2021-12-06 18:29:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221583 states, 157258 states have (on average 1.303609355326915) internal successors, (205003), 157573 states have internal predecessors, (205003), 53382 states have call successors, (53382), 10957 states have call predecessors, (53382), 10940 states have return successors, (53378), 53149 states have call predecessors, (53378), 53378 states have call successors, (53378) [2021-12-06 18:29:06,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221583 states to 221583 states and 311763 transitions. [2021-12-06 18:29:06,127 INFO L78 Accepts]: Start accepts. Automaton has 221583 states and 311763 transitions. Word has length 528 [2021-12-06 18:29:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:29:06,128 INFO L470 AbstractCegarLoop]: Abstraction has 221583 states and 311763 transitions. [2021-12-06 18:29:06,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:29:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 221583 states and 311763 transitions. [2021-12-06 18:29:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-12-06 18:29:06,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:29:06,144 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:29:06,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 18:29:06,145 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:29:06,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:29:06,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1532688319, now seen corresponding path program 1 times [2021-12-06 18:29:06,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:29:06,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051314154] [2021-12-06 18:29:06,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:29:06,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:29:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:29:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:29:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:29:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:29:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:29:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:29:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:29:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:29:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:29:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:29:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:29:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:29:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:29:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:29:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:29:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:29:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:29:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:29:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:29:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:29:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:29:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:29:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:29:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:29:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:29:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:29:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:29:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:29:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:29:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:29:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:29:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:29:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:29:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:29:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:29:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:29:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:29:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:29:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:29:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:29:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:29:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:29:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:29:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:29:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:29:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:29:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 18:29:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-06 18:29:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 18:29:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 18:29:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-06 18:29:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-06 18:29:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:07,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6288 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6272 trivial. 0 not checked. [2021-12-06 18:29:07,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:29:07,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051314154] [2021-12-06 18:29:07,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051314154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:29:07,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:29:07,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:29:07,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990191375] [2021-12-06 18:29:07,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:29:07,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:29:07,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:29:07,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:29:07,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:29:07,078 INFO L87 Difference]: Start difference. First operand 221583 states and 311763 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:29:18,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:29:18,138 INFO L93 Difference]: Finished difference Result 225151 states and 316380 transitions. [2021-12-06 18:29:18,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:29:18,139 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 533 [2021-12-06 18:29:18,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:29:19,078 INFO L225 Difference]: With dead ends: 225151 [2021-12-06 18:29:19,079 INFO L226 Difference]: Without dead ends: 225149 [2021-12-06 18:29:19,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:29:19,158 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 813 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:29:19,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [813 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-06 18:29:19,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225149 states. [2021-12-06 18:29:28,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225149 to 221587. [2021-12-06 18:29:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221587 states, 157261 states have (on average 1.3036035635027121) internal successors, (205006), 157576 states have internal predecessors, (205006), 53382 states have call successors, (53382), 10958 states have call predecessors, (53382), 10941 states have return successors, (53378), 53149 states have call predecessors, (53378), 53378 states have call successors, (53378) [2021-12-06 18:29:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221587 states to 221587 states and 311766 transitions. [2021-12-06 18:29:29,515 INFO L78 Accepts]: Start accepts. Automaton has 221587 states and 311766 transitions. Word has length 533 [2021-12-06 18:29:29,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:29:29,516 INFO L470 AbstractCegarLoop]: Abstraction has 221587 states and 311766 transitions. [2021-12-06 18:29:29,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:29:29,516 INFO L276 IsEmpty]: Start isEmpty. Operand 221587 states and 311766 transitions. [2021-12-06 18:29:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2021-12-06 18:29:29,533 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:29:29,533 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:29:29,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 18:29:29,533 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 18:29:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:29:29,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1633090482, now seen corresponding path program 1 times [2021-12-06 18:29:29,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:29:29,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173751040] [2021-12-06 18:29:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:29:29,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:29:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:29:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:29:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:29:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:29:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:29:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:29:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:29:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:29:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:29:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:29:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:29:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:29:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:29:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:29:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:29:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:29:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:29:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:29:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:29:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:29:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:29:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:29:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:29:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:29:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:29:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:29:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:29:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:29:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:29:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:29:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:29:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:29:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:29:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:29:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:29:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:29:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:29:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:29:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:29:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:29:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:29:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:29:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:29:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-06 18:29:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 18:29:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:29:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 18:29:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-06 18:29:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 18:29:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 18:29:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-06 18:29:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-06 18:29:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-12-06 18:29:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6322 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6304 trivial. 0 not checked. [2021-12-06 18:29:30,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:29:30,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173751040] [2021-12-06 18:29:30,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173751040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:29:30,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:29:30,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:29:30,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959460076] [2021-12-06 18:29:30,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:29:30,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:29:30,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:29:30,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:29:30,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:29:30,489 INFO L87 Difference]: Start difference. First operand 221587 states and 311766 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:29:42,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:29:42,012 INFO L93 Difference]: Finished difference Result 225155 states and 316383 transitions. [2021-12-06 18:29:42,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:29:42,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 538 [2021-12-06 18:29:42,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:29:42,853 INFO L225 Difference]: With dead ends: 225155 [2021-12-06 18:29:42,853 INFO L226 Difference]: Without dead ends: 225151 [2021-12-06 18:29:42,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:29:42,935 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1502 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 1502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:29:42,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [812 Valid, 1502 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-06 18:29:43,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225151 states. [2021-12-06 18:29:53,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225151 to 221589. [2021-12-06 18:29:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221589 states, 157263 states have (on average 1.3035933436345486) internal successors, (205007), 157577 states have internal predecessors, (205007), 53382 states have call successors, (53382), 10959 states have call predecessors, (53382), 10941 states have return successors, (53378), 53149 states have call predecessors, (53378), 53378 states have call successors, (53378) [2021-12-06 18:29:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221589 states to 221589 states and 311767 transitions. [2021-12-06 18:29:54,298 INFO L78 Accepts]: Start accepts. Automaton has 221589 states and 311767 transitions. Word has length 538 [2021-12-06 18:29:54,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:29:54,299 INFO L470 AbstractCegarLoop]: Abstraction has 221589 states and 311767 transitions. [2021-12-06 18:29:54,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 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 18:29:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 221589 states and 311767 transitions. [2021-12-06 18:29:54,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2021-12-06 18:29:54,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:29:54,318 INFO L514 BasicCegarLoop]: trace histogram [42, 42, 36, 36, 36, 36, 36, 36, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:29:54,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 18:29:54,318 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 18:29:54,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:29:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash -375818658, now seen corresponding path program 1 times [2021-12-06 18:29:54,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:29:54,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318298407] [2021-12-06 18:29:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:29:54,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:29:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:29:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:29:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:29:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:29:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:29:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:29:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:29:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:29:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:29:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:29:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:29:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:29:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:29:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:29:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:29:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:29:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:29:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:29:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:29:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:29:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:29:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:29:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:29:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:29:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:29:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:29:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:29:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:29:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:29:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:29:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:29:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:29:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:29:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:29:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:29:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:29:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:29:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:29:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:29:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:29:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:29:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:29:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:29:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:29:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-06 18:29:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-06 18:29:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:29:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 18:29:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-06 18:29:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:29:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-06 18:29:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-06 18:29:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 18:29:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-06 18:29:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-06 18:29:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-12-06 18:29:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-06 18:29:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-06 18:29:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-06 18:29:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-06 18:29:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:29:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6651 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6631 trivial. 0 not checked. [2021-12-06 18:29:55,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:29:55,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318298407] [2021-12-06 18:29:55,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318298407] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:29:55,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:29:55,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 18:29:55,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777295609] [2021-12-06 18:29:55,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:29:55,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 18:29:55,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:29:55,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 18:29:55,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:29:55,473 INFO L87 Difference]: Start difference. First operand 221589 states and 311767 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (61), 5 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-06 18:30:06,873 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 18:30:08,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:11,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:13,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:15,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:17,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:19,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:21,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:23,526 WARN L534 Checker$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 18:30:33,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:30:33,648 INFO L93 Difference]: Finished difference Result 225151 states and 316379 transitions. [2021-12-06 18:30:33,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:30:33,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (61), 5 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 579 [2021-12-06 18:30:33,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:30:34,493 INFO L225 Difference]: With dead ends: 225151 [2021-12-06 18:30:34,493 INFO L226 Difference]: Without dead ends: 222583 [2021-12-06 18:30:34,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-06 18:30:34,594 INFO L933 BasicCegarLoop]: 3456 mSDtfsCounter, 4219 mSDsluCounter, 7369 mSDsCounter, 0 mSdLazyCounter, 4809 mSolverCounterSat, 2268 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4587 SdHoareTripleChecker+Valid, 10825 SdHoareTripleChecker+Invalid, 7086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2268 IncrementalHoareTripleChecker+Valid, 4809 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:30:34,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4587 Valid, 10825 Invalid, 7086 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2268 Valid, 4809 Invalid, 9 Unknown, 0 Unchecked, 29.9s Time] [2021-12-06 18:30:34,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222583 states. [2021-12-06 18:30:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222583 to 219049. [2021-12-06 18:30:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219049 states, 155447 states have (on average 1.30391709071259) internal successors, (202690), 155663 states have internal predecessors, (202690), 52763 states have call successors, (52763), 10837 states have call predecessors, (52763), 10837 states have return successors, (52763), 52644 states have call predecessors, (52763), 52763 states have call successors, (52763) [2021-12-06 18:30:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219049 states to 219049 states and 308216 transitions. [2021-12-06 18:30:45,249 INFO L78 Accepts]: Start accepts. Automaton has 219049 states and 308216 transitions. Word has length 579 [2021-12-06 18:30:45,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:30:45,250 INFO L470 AbstractCegarLoop]: Abstraction has 219049 states and 308216 transitions. [2021-12-06 18:30:45,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (61), 5 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-06 18:30:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 219049 states and 308216 transitions. [2021-12-06 18:30:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-12-06 18:30:45,306 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:30:45,306 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 36, 36, 36, 36, 36, 36, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:30:45,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 18:30:45,306 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:30:45,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:30:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash 861172983, now seen corresponding path program 1 times [2021-12-06 18:30:45,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:30:45,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415484337] [2021-12-06 18:30:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:30:45,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:30:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:30:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:30:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:30:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:30:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:30:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:30:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:30:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:30:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:30:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:30:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:30:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:30:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:30:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:30:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:30:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:30:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:30:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:30:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:30:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:30:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:30:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:30:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:30:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:30:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:30:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:30:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:30:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:30:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:30:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:30:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:30:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:30:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:30:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:30:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:30:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:30:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:30:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:30:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:30:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:30:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-06 18:30:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-06 18:30:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:30:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 18:30:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-06 18:30:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-06 18:30:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-06 18:30:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 18:30:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-06 18:30:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-06 18:30:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 18:30:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 18:30:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-06 18:30:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-06 18:30:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-12-06 18:30:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:30:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 6306 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6292 trivial. 0 not checked. [2021-12-06 18:30:46,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:30:46,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415484337] [2021-12-06 18:30:46,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415484337] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:30:46,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:30:46,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:30:46,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077349986] [2021-12-06 18:30:46,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:30:46,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:30:46,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:30:46,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:30:46,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:30:46,527 INFO L87 Difference]: Start difference. First operand 219049 states and 308216 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-12-06 18:30:50,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:30:53,693 WARN L534 Checker$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 18:30:58,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:31:05,440 WARN L534 Checker$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 18:31:09,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:31:17,976 WARN L534 Checker$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 18:31:28,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:31:28,765 INFO L93 Difference]: Finished difference Result 553823 states and 786057 transitions. [2021-12-06 18:31:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:31:28,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 586 [2021-12-06 18:31:28,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:31:30,207 INFO L225 Difference]: With dead ends: 553823 [2021-12-06 18:31:30,207 INFO L226 Difference]: Without dead ends: 336491 [2021-12-06 18:31:30,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:31:30,743 INFO L933 BasicCegarLoop]: 6797 mSDtfsCounter, 3725 mSDsluCounter, 10245 mSDsCounter, 0 mSdLazyCounter, 3888 mSolverCounterSat, 1729 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4262 SdHoareTripleChecker+Valid, 17042 SdHoareTripleChecker+Invalid, 5623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1729 IncrementalHoareTripleChecker+Valid, 3888 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:31:30,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4262 Valid, 17042 Invalid, 5623 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1729 Valid, 3888 Invalid, 6 Unknown, 0 Unchecked, 28.5s Time] [2021-12-06 18:31:30,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336491 states. [2021-12-06 18:31:45,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336491 to 324416. [2021-12-06 18:31:45,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324416 states, 230317 states have (on average 1.3038507795777126) internal successors, (300299), 230664 states have internal predecessors, (300299), 78040 states have call successors, (78040), 16057 states have call predecessors, (78040), 16057 states have return successors, (78040), 77838 states have call predecessors, (78040), 78040 states have call successors, (78040) [2021-12-06 18:31:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324416 states to 324416 states and 456379 transitions. [2021-12-06 18:31:47,491 INFO L78 Accepts]: Start accepts. Automaton has 324416 states and 456379 transitions. Word has length 586 [2021-12-06 18:31:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:31:47,492 INFO L470 AbstractCegarLoop]: Abstraction has 324416 states and 456379 transitions. [2021-12-06 18:31:47,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-12-06 18:31:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 324416 states and 456379 transitions. [2021-12-06 18:31:47,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2021-12-06 18:31:47,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:31:47,567 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 36, 36, 36, 36, 36, 36, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:31:47,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 18:31:47,567 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:31:47,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:47,567 INFO L85 PathProgramCache]: Analyzing trace with hash -935274881, now seen corresponding path program 1 times [2021-12-06 18:31:47,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:47,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303328267] [2021-12-06 18:31:47,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:47,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:31:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:31:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:31:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:31:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:31:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:31:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:31:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:31:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:31:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:31:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:31:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:31:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:31:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:31:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:31:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:31:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:31:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:31:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:31:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:31:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:31:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:31:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:31:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:31:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:31:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:31:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:31:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:31:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:31:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:31:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:31:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:31:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:31:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:31:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:31:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:31:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:31:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:31:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:31:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:31:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:31:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:31:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:31:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-06 18:31:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-06 18:31:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:31:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-06 18:31:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 18:31:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 18:31:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 18:31:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-12-06 18:31:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-12-06 18:31:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 18:31:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 18:31:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 18:31:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-06 18:31:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6593 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 6553 trivial. 0 not checked. [2021-12-06 18:31:48,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:31:48,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303328267] [2021-12-06 18:31:48,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303328267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:31:48,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:31:48,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:31:48,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954355541] [2021-12-06 18:31:48,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:31:48,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:31:48,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:31:48,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:31:48,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:31:48,391 INFO L87 Difference]: Start difference. First operand 324416 states and 456379 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-12-06 18:31:52,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:31:55,602 WARN L534 Checker$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 18:32:05,984 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 18:32:28,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:32:28,731 INFO L93 Difference]: Finished difference Result 769937 states and 1091814 transitions. [2021-12-06 18:32:28,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:32:28,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 603 [2021-12-06 18:32:28,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:32:30,750 INFO L225 Difference]: With dead ends: 769937 [2021-12-06 18:32:30,750 INFO L226 Difference]: Without dead ends: 445366 [2021-12-06 18:32:31,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:32:31,594 INFO L933 BasicCegarLoop]: 6856 mSDtfsCounter, 3770 mSDsluCounter, 10294 mSDsCounter, 0 mSdLazyCounter, 3885 mSolverCounterSat, 1748 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4308 SdHoareTripleChecker+Valid, 17150 SdHoareTripleChecker+Invalid, 5636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1748 IncrementalHoareTripleChecker+Valid, 3885 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:32:31,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4308 Valid, 17150 Invalid, 5636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1748 Valid, 3885 Invalid, 3 Unknown, 0 Unchecked, 21.2s Time] [2021-12-06 18:32:31,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445366 states. [2021-12-06 18:32:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445366 to 324416. [2021-12-06 18:32:49,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324416 states, 230317 states have (on average 1.3038464377358163) internal successors, (300298), 230664 states have internal predecessors, (300298), 78040 states have call successors, (78040), 16057 states have call predecessors, (78040), 16057 states have return successors, (78040), 77838 states have call predecessors, (78040), 78040 states have call successors, (78040) [2021-12-06 18:32:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324416 states to 324416 states and 456378 transitions. [2021-12-06 18:32:50,456 INFO L78 Accepts]: Start accepts. Automaton has 324416 states and 456378 transitions. Word has length 603 [2021-12-06 18:32:50,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:32:50,456 INFO L470 AbstractCegarLoop]: Abstraction has 324416 states and 456378 transitions. [2021-12-06 18:32:50,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-12-06 18:32:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 324416 states and 456378 transitions. [2021-12-06 18:32:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2021-12-06 18:32:50,535 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:32:50,535 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 36, 36, 36, 36, 36, 36, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:32:50,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 18:32:50,536 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:32:50,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:32:50,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1712329473, now seen corresponding path program 1 times [2021-12-06 18:32:50,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:32:50,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111459436] [2021-12-06 18:32:50,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:32:50,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:32:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:32:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:32:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:32:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:32:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:32:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:32:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:32:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:32:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:32:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:32:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:32:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:32:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:32:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:32:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:32:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:32:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:32:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:32:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:32:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:32:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:32:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:32:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:32:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:32:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:32:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:32:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:32:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:32:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:32:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:32:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:32:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:32:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:32:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:32:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:32:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:32:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:32:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:32:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:32:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:32:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:32:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:32:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:32:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-06 18:32:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-06 18:32:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:32:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-06 18:32:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 18:32:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 18:32:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 18:32:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-12-06 18:32:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-12-06 18:32:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 18:32:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 18:32:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 18:32:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-06 18:32:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6593 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6582 trivial. 0 not checked. [2021-12-06 18:32:51,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:32:51,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111459436] [2021-12-06 18:32:51,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111459436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:32:51,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:32:51,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:32:51,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175254877] [2021-12-06 18:32:51,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:32:51,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:32:51,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:32:51,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:32:51,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:32:51,465 INFO L87 Difference]: Start difference. First operand 324416 states and 456378 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-06 18:32:55,498 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 18:32:58,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:33:06,084 WARN L534 Checker$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 18:33:08,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:33:14,399 WARN L534 Checker$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 18:33:19,079 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 18:33:40,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:33:40,672 INFO L93 Difference]: Finished difference Result 820789 states and 1164579 transitions. [2021-12-06 18:33:40,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 18:33:40,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 603 [2021-12-06 18:33:40,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:33:42,926 INFO L225 Difference]: With dead ends: 820789 [2021-12-06 18:33:42,926 INFO L226 Difference]: Without dead ends: 498090 [2021-12-06 18:33:43,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:33:43,770 INFO L933 BasicCegarLoop]: 6155 mSDtfsCounter, 4054 mSDsluCounter, 9585 mSDsCounter, 0 mSdLazyCounter, 3699 mSolverCounterSat, 2094 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4589 SdHoareTripleChecker+Valid, 15740 SdHoareTripleChecker+Invalid, 5799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2094 IncrementalHoareTripleChecker+Valid, 3699 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:33:43,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4589 Valid, 15740 Invalid, 5799 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2094 Valid, 3699 Invalid, 6 Unknown, 0 Unchecked, 26.7s Time] [2021-12-06 18:33:44,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498090 states. [2021-12-06 18:34:07,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498090 to 480338. [2021-12-06 18:34:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480338 states, 341155 states have (on average 1.3037592883000395) internal successors, (444784), 341682 states have internal predecessors, (444784), 115366 states have call successors, (115366), 23815 states have call predecessors, (115366), 23815 states have return successors, (115366), 115056 states have call predecessors, (115366), 115366 states have call successors, (115366) [2021-12-06 18:34:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480338 states to 480338 states and 675516 transitions. [2021-12-06 18:34:10,414 INFO L78 Accepts]: Start accepts. Automaton has 480338 states and 675516 transitions. Word has length 603 [2021-12-06 18:34:10,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:34:10,415 INFO L470 AbstractCegarLoop]: Abstraction has 480338 states and 675516 transitions. [2021-12-06 18:34:10,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-06 18:34:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 480338 states and 675516 transitions. [2021-12-06 18:34:10,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2021-12-06 18:34:10,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:34:10,485 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 36, 36, 36, 36, 36, 36, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:34:10,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 18:34:10,485 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:34:10,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:34:10,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1579275108, now seen corresponding path program 1 times [2021-12-06 18:34:10,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:34:10,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719370268] [2021-12-06 18:34:10,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:34:10,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:34:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:34:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:34:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:34:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:34:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:34:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:34:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:34:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:34:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:34:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:34:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:34:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:34:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:34:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:34:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:34:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:34:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:34:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:34:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:34:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:34:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:34:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:34:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 18:34:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:34:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:34:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:34:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:34:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 18:34:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:34:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:34:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 18:34:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 18:34:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 18:34:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 18:34:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 18:34:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 18:34:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 18:34:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 18:34:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 18:34:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 18:34:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-06 18:34:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:34:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-06 18:34:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-06 18:34:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-06 18:34:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-06 18:34:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-06 18:34:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-06 18:34:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 18:34:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 18:34:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2021-12-06 18:34:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-06 18:34:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-06 18:34:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-06 18:34:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 18:34:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-12-06 18:34:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-06 18:34:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6593 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6582 trivial. 0 not checked. [2021-12-06 18:34:11,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:34:11,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719370268] [2021-12-06 18:34:11,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719370268] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:34:11,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:34:11,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:34:11,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496405837] [2021-12-06 18:34:11,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:34:11,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:34:11,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:34:11,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:34:11,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:34:11,386 INFO L87 Difference]: Start difference. First operand 480338 states and 675516 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-06 18:34:15,336 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 18:34:18,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:34:25,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []