./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8 --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 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:21:18,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:21:18,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:21:18,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:21:18,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:21:18,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:21:18,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:21:18,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:21:18,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:21:18,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:21:18,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:21:18,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:21:18,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:21:18,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:21:18,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:21:18,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:21:18,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:21:18,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:21:18,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:21:18,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:21:18,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:21:18,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:21:18,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:21:18,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:21:18,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:21:18,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:21:18,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:21:18,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:21:18,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:21:18,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:21:18,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:21:18,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:21:18,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:21:18,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:21:18,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:21:18,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:21:18,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:21:18,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:21:18,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:21:18,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:21:18,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:21:18,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:21:19,017 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:21:19,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:21:19,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:21:19,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:21:19,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:21:19,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:21:19,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:21:19,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:21:19,022 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:21:19,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:21:19,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:21:19,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:21:19,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:21:19,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:21:19,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:21:19,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:21:19,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:21:19,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:21:19,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:21:19,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:21:19,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:21:19,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:21:19,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:21:19,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:21:19,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:21:19,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:21:19,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:21:19,028 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:21:19,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:21:19,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:21:19,030 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b [2022-11-16 12:21:19,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:21:19,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:21:19,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:21:19,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:21:19,315 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:21:19,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-16 12:21:19,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/data/0611d7cf2/b42d717c28a048e3a70ff1967b9c9a6a/FLAG9a926099c [2022-11-16 12:21:20,629 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:21:20,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-16 12:21:20,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/data/0611d7cf2/b42d717c28a048e3a70ff1967b9c9a6a/FLAG9a926099c [2022-11-16 12:21:21,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/data/0611d7cf2/b42d717c28a048e3a70ff1967b9c9a6a [2022-11-16 12:21:21,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:21:21,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:21:21,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:21:21,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:21:21,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:21:21,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:21:21" (1/1) ... [2022-11-16 12:21:21,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e86f8eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:21, skipping insertion in model container [2022-11-16 12:21:21,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:21:21" (1/1) ... [2022-11-16 12:21:21,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:21:21,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:21:32,416 WARN L229 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-16 12:21:32,418 WARN L229 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-16 12:21:32,418 WARN L229 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-16 12:21:32,419 WARN L229 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-16 12:21:32,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:21:32,548 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:21:33,562 WARN L229 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-16 12:21:33,564 WARN L229 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-16 12:21:33,565 WARN L229 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-16 12:21:33,565 WARN L229 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_aff50496-5889-4afa-9b4d-35e7ad61e5fe/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-16 12:21:33,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:21:34,162 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:21:34,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34 WrapperNode [2022-11-16 12:21:34,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:21:34,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:21:34,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:21:34,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:21:34,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:34,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:35,425 INFO L138 Inliner]: procedures = 856, calls = 16466, calls flagged for inlining = 419, calls inlined = 352, statements flattened = 29787 [2022-11-16 12:21:35,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:21:35,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:21:35,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:21:35,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:21:35,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:35,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:35,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:35,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:36,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:36,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:36,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:37,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:37,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:21:37,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:21:37,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:21:37,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:21:37,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (1/1) ... [2022-11-16 12:21:37,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:21:37,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:21:37,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:21:37,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:21:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-16 12:21:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-16 12:21:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-16 12:21:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-16 12:21:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-16 12:21:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-16 12:21:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-16 12:21:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-16 12:21:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-16 12:21:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-16 12:21:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-16 12:21:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-16 12:21:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-16 12:21:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-16 12:21:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 12:21:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 12:21:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-16 12:21:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-16 12:21:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-16 12:21:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-16 12:21:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-16 12:21:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-16 12:21:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-16 12:21:37,310 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-16 12:21:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 12:21:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 12:21:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-16 12:21:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-16 12:21:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-16 12:21:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-16 12:21:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-16 12:21:37,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-16 12:21:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-16 12:21:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-16 12:21:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-16 12:21:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-16 12:21:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-16 12:21:37,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-16 12:21:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 12:21:37,313 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 12:21:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:21:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:21:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-16 12:21:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-16 12:21:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-16 12:21:37,314 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-16 12:21:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-16 12:21:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-16 12:21:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-16 12:21:37,315 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-16 12:21:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-16 12:21:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-16 12:21:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 12:21:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 12:21:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:21:37,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:21:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-16 12:21:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-16 12:21:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-16 12:21:37,318 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-16 12:21:37,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-16 12:21:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-16 12:21:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-16 12:21:37,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-16 12:21:37,319 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 12:21:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 12:21:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-16 12:21:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-16 12:21:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 12:21:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 12:21:37,320 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-16 12:21:37,320 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-16 12:21:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:21:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-16 12:21:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-16 12:21:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-16 12:21:37,321 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-16 12:21:37,321 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-16 12:21:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-16 12:21:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-16 12:21:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-16 12:21:37,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-16 12:21:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-16 12:21:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-16 12:21:37,323 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-16 12:21:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-16 12:21:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-16 12:21:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-16 12:21:37,324 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-16 12:21:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-16 12:21:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-16 12:21:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-16 12:21:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-16 12:21:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-16 12:21:37,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-16 12:21:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:21:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-16 12:21:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-16 12:21:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:21:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 12:21:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 12:21:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 12:21:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 12:21:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:21:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-16 12:21:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-16 12:21:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:21:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-16 12:21:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-16 12:21:37,328 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-16 12:21:37,328 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-16 12:21:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-16 12:21:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-16 12:21:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-16 12:21:37,333 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-16 12:21:37,334 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 12:21:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 12:21:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-16 12:21:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-16 12:21:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-16 12:21:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-16 12:21:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-16 12:21:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-16 12:21:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-16 12:21:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-16 12:21:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 12:21:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 12:21:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-16 12:21:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-16 12:21:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-16 12:21:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-16 12:21:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-16 12:21:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-16 12:21:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:21:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:21:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-16 12:21:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-16 12:21:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-16 12:21:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-16 12:21:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-16 12:21:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-16 12:21:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-16 12:21:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-16 12:21:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 12:21:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 12:21:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-16 12:21:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-16 12:21:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:21:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-16 12:21:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-16 12:21:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-16 12:21:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-16 12:21:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-16 12:21:37,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-16 12:21:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-16 12:21:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-16 12:21:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-16 12:21:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-16 12:21:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-16 12:21:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-16 12:21:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-16 12:21:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-16 12:21:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-16 12:21:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:21:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:21:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-16 12:21:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-16 12:21:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-16 12:21:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-16 12:21:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-16 12:21:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-16 12:21:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-16 12:21:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-16 12:21:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-16 12:21:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-16 12:21:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-16 12:21:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-16 12:21:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-16 12:21:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-16 12:21:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:21:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 12:21:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 12:21:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-16 12:21:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-16 12:21:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:21:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-16 12:21:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-16 12:21:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-16 12:21:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-16 12:21:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-16 12:21:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-16 12:21:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-16 12:21:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-16 12:21:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-16 12:21:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-16 12:21:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-16 12:21:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-16 12:21:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-16 12:21:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-16 12:21:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 12:21:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 12:21:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 12:21:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 12:21:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-16 12:21:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-16 12:21:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-16 12:21:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-16 12:21:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-16 12:21:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-16 12:21:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-16 12:21:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-16 12:21:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-16 12:21:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-16 12:21:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-16 12:21:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-16 12:21:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-16 12:21:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-16 12:21:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-16 12:21:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-16 12:21:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-16 12:21:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-16 12:21:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 12:21:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 12:21:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:21:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-16 12:21:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-16 12:21:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:21:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:21:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2022-11-16 12:21:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2022-11-16 12:21:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-16 12:21:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-16 12:21:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-16 12:21:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-16 12:21:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-16 12:21:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-16 12:21:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-16 12:21:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-16 12:21:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-16 12:21:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-16 12:21:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-16 12:21:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-16 12:21:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-16 12:21:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-16 12:21:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-16 12:21:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-16 12:21:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-16 12:21:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-16 12:21:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-16 12:21:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-16 12:21:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-16 12:21:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-16 12:21:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-16 12:21:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-16 12:21:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-16 12:21:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-16 12:21:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-16 12:21:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 12:21:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 12:21:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2022-11-16 12:21:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2022-11-16 12:21:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 12:21:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 12:21:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2022-11-16 12:21:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2022-11-16 12:21:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-16 12:21:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-16 12:21:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-16 12:21:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-16 12:21:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:21:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:21:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-16 12:21:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-16 12:21:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-16 12:21:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-16 12:21:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-16 12:21:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-16 12:21:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-16 12:21:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-16 12:21:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-16 12:21:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-16 12:21:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-16 12:21:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-16 12:21:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-16 12:21:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-16 12:21:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-16 12:21:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-16 12:21:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-16 12:21:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-16 12:21:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-16 12:21:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-16 12:21:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2022-11-16 12:21:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2022-11-16 12:21:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-16 12:21:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-16 12:21:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-16 12:21:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-16 12:21:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 12:21:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 12:21:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-16 12:21:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-16 12:21:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-16 12:21:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-16 12:21:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 12:21:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 12:21:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-16 12:21:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-16 12:21:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:21:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-16 12:21:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-16 12:21:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-16 12:21:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-16 12:21:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-16 12:21:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-16 12:21:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-16 12:21:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-16 12:21:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-16 12:21:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-16 12:21:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 12:21:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 12:21:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:21:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-16 12:21:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-16 12:21:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-16 12:21:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-16 12:21:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:21:37,378 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-16 12:21:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-16 12:21:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-16 12:21:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-16 12:21:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:21:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:21:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-16 12:21:37,379 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-16 12:21:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-16 12:21:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-16 12:21:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-16 12:21:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-16 12:21:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-16 12:21:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-16 12:21:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-16 12:21:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-16 12:21:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-16 12:21:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-16 12:21:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-16 12:21:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-16 12:21:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-16 12:21:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-16 12:21:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-16 12:21:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-16 12:21:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-16 12:21:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-16 12:21:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-16 12:21:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-16 12:21:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:21:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:21:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-16 12:21:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-16 12:21:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-16 12:21:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-16 12:21:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-16 12:21:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-16 12:21:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-16 12:21:37,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-16 12:21:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-16 12:21:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-16 12:21:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-16 12:21:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-16 12:21:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 12:21:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 12:21:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-16 12:21:37,384 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-16 12:21:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-16 12:21:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-16 12:21:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-16 12:21:37,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-16 12:21:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-16 12:21:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-16 12:21:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-16 12:21:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-16 12:21:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-16 12:21:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-16 12:21:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-16 12:21:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-16 12:21:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-16 12:21:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-16 12:21:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-16 12:21:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-16 12:21:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-16 12:21:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-16 12:21:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-16 12:21:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-16 12:21:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-16 12:21:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-16 12:21:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:21:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:21:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:21:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 12:21:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 12:21:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-16 12:21:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-16 12:21:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-16 12:21:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-16 12:21:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-16 12:21:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-16 12:21:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-16 12:21:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-16 12:21:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 12:21:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 12:21:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-16 12:21:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-16 12:21:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-16 12:21:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-16 12:21:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 12:21:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 12:21:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-16 12:21:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-16 12:21:37,391 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-16 12:21:37,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-16 12:21:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-16 12:21:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-16 12:21:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 12:21:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 12:21:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-16 12:21:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-16 12:21:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-16 12:21:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-16 12:21:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-16 12:21:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-16 12:21:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-16 12:21:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-16 12:21:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-16 12:21:37,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-16 12:21:37,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:21:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-16 12:21:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-16 12:21:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-16 12:21:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-16 12:21:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-16 12:21:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-16 12:21:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-16 12:21:37,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-16 12:21:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 12:21:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 12:21:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-16 12:21:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-16 12:21:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-16 12:21:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-16 12:21:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-16 12:21:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-16 12:21:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-16 12:21:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-16 12:21:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2022-11-16 12:21:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2022-11-16 12:21:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-16 12:21:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-16 12:21:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-16 12:21:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-16 12:21:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 12:21:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 12:21:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-16 12:21:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-16 12:21:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-16 12:21:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-16 12:21:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-16 12:21:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-16 12:21:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-16 12:21:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-16 12:21:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-16 12:21:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-16 12:21:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-16 12:21:37,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-16 12:21:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-16 12:21:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-16 12:21:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:21:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:21:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-16 12:21:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-16 12:21:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-16 12:21:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-16 12:21:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-16 12:21:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-16 12:21:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-16 12:21:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-16 12:21:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-16 12:21:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-16 12:21:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 12:21:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 12:21:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-16 12:21:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-16 12:21:37,401 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 12:21:37,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 12:21:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-16 12:21:37,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-16 12:21:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-16 12:21:37,402 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-16 12:21:37,402 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-16 12:21:37,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-16 12:21:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-16 12:21:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-16 12:21:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 12:21:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 12:21:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-16 12:21:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-16 12:21:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-16 12:21:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-16 12:21:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-16 12:21:37,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-16 12:21:37,408 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-16 12:21:37,408 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-16 12:21:37,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:21:37,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:21:37,408 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-16 12:21:37,409 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-16 12:21:37,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-16 12:21:37,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-16 12:21:37,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:21:37,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 12:21:37,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 12:21:37,410 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-16 12:21:39,714 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:21:39,719 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:21:41,172 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:22:38,649 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:22:38,698 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:22:38,698 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-16 12:22:38,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:38 BoogieIcfgContainer [2022-11-16 12:22:38,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:22:38,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:22:38,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:22:38,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:22:38,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:21:21" (1/3) ... [2022-11-16 12:22:38,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc1aba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:22:38, skipping insertion in model container [2022-11-16 12:22:38,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:34" (2/3) ... [2022-11-16 12:22:38,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc1aba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:22:38, skipping insertion in model container [2022-11-16 12:22:38,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:22:38" (3/3) ... [2022-11-16 12:22:38,735 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-16 12:22:38,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:22:38,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-16 12:22:38,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:22:38,966 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26c5b28d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:22:38,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 12:22:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 8347 states, 5937 states have (on average 1.3779686710459829) internal successors, (8181), 6045 states have internal predecessors, (8181), 2159 states have call successors, (2159), 250 states have call predecessors, (2159), 249 states have return successors, (2155), 2142 states have call predecessors, (2155), 2155 states have call successors, (2155) [2022-11-16 12:22:39,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 12:22:39,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:22:39,002 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-16 12:22:39,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:22:39,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:39,008 INFO L85 PathProgramCache]: Analyzing trace with hash -952967469, now seen corresponding path program 1 times [2022-11-16 12:22:39,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:39,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71882926] [2022-11-16 12:22:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:22:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:42,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:22:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:42,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:22:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:22:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:42,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:22:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:22:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-16 12:22:42,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:42,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71882926] [2022-11-16 12:22:42,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71882926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:42,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:42,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:22:42,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336445285] [2022-11-16 12:22:42,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:42,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:22:42,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:42,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:22:42,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:22:42,427 INFO L87 Difference]: Start difference. First operand has 8347 states, 5937 states have (on average 1.3779686710459829) internal successors, (8181), 6045 states have internal predecessors, (8181), 2159 states have call successors, (2159), 250 states have call predecessors, (2159), 249 states have return successors, (2155), 2142 states have call predecessors, (2155), 2155 states have call successors, (2155) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 12:22:43,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:22:43,511 INFO L93 Difference]: Finished difference Result 16639 states and 25415 transitions. [2022-11-16 12:22:43,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:22:43,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2022-11-16 12:22:43,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:22:43,584 INFO L225 Difference]: With dead ends: 16639 [2022-11-16 12:22:43,584 INFO L226 Difference]: Without dead ends: 8305 [2022-11-16 12:22:43,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:22:43,682 INFO L413 NwaCegarLoop]: 12315 mSDtfsCounter, 12286 mSDsluCounter, 24611 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12304 SdHoareTripleChecker+Valid, 36926 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:22:43,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12304 Valid, 36926 Invalid, 26 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:22:43,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8305 states. [2022-11-16 12:22:44,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8305 to 8305. [2022-11-16 12:22:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8305 states, 5900 states have (on average 1.356271186440678) internal successors, (8002), 6005 states have internal predecessors, (8002), 2153 states have call successors, (2153), 250 states have call predecessors, (2153), 249 states have return successors, (2150), 2137 states have call predecessors, (2150), 2150 states have call successors, (2150) [2022-11-16 12:22:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8305 states to 8305 states and 12305 transitions. [2022-11-16 12:22:44,549 INFO L78 Accepts]: Start accepts. Automaton has 8305 states and 12305 transitions. Word has length 50 [2022-11-16 12:22:44,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:22:44,551 INFO L495 AbstractCegarLoop]: Abstraction has 8305 states and 12305 transitions. [2022-11-16 12:22:44,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 12:22:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand 8305 states and 12305 transitions. [2022-11-16 12:22:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 12:22:44,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:22:44,557 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-16 12:22:44,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:22:44,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:22:44,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:44,558 INFO L85 PathProgramCache]: Analyzing trace with hash -480278544, now seen corresponding path program 1 times [2022-11-16 12:22:44,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:44,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596755295] [2022-11-16 12:22:44,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:44,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:22:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:22:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:22:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:22:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:22:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:22:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:22:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-16 12:22:47,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:47,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596755295] [2022-11-16 12:22:47,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596755295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:47,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:47,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:22:47,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589120718] [2022-11-16 12:22:47,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:47,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:22:47,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:47,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:22:47,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:22:47,273 INFO L87 Difference]: Start difference. First operand 8305 states and 12305 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:22:47,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:22:47,988 INFO L93 Difference]: Finished difference Result 8345 states and 12343 transitions. [2022-11-16 12:22:47,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:22:47,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2022-11-16 12:22:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:22:48,045 INFO L225 Difference]: With dead ends: 8345 [2022-11-16 12:22:48,046 INFO L226 Difference]: Without dead ends: 8343 [2022-11-16 12:22:48,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:22:48,055 INFO L413 NwaCegarLoop]: 12318 mSDtfsCounter, 12252 mSDsluCounter, 24656 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12268 SdHoareTripleChecker+Valid, 36974 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:22:48,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12268 Valid, 36974 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:22:48,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8343 states. [2022-11-16 12:22:48,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8343 to 8341. [2022-11-16 12:22:48,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8341 states, 5924 states have (on average 1.3553342336259284) internal successors, (8029), 6031 states have internal predecessors, (8029), 2157 states have call successors, (2157), 258 states have call predecessors, (2157), 257 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2022-11-16 12:22:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8341 states to 8341 states and 12340 transitions. [2022-11-16 12:22:48,733 INFO L78 Accepts]: Start accepts. Automaton has 8341 states and 12340 transitions. Word has length 55 [2022-11-16 12:22:48,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:22:48,734 INFO L495 AbstractCegarLoop]: Abstraction has 8341 states and 12340 transitions. [2022-11-16 12:22:48,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:22:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand 8341 states and 12340 transitions. [2022-11-16 12:22:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-16 12:22:48,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:22:48,744 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-16 12:22:48,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:22:48,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:22:48,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:48,745 INFO L85 PathProgramCache]: Analyzing trace with hash 390996147, now seen corresponding path program 1 times [2022-11-16 12:22:48,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:48,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525615166] [2022-11-16 12:22:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:48,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:22:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:22:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:22:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:22:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:22:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:22:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:22:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:22:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-16 12:22:51,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:51,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525615166] [2022-11-16 12:22:51,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525615166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:51,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:51,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:22:51,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616072642] [2022-11-16 12:22:51,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:51,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:22:51,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:51,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:22:51,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:22:51,263 INFO L87 Difference]: Start difference. First operand 8341 states and 12340 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-16 12:22:51,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:22:51,994 INFO L93 Difference]: Finished difference Result 8347 states and 12345 transitions. [2022-11-16 12:22:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:22:51,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2022-11-16 12:22:51,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:22:52,067 INFO L225 Difference]: With dead ends: 8347 [2022-11-16 12:22:52,067 INFO L226 Difference]: Without dead ends: 8345 [2022-11-16 12:22:52,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:22:52,079 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12281 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:22:52,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12281 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:22:52,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8345 states. [2022-11-16 12:22:52,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8345 to 8345. [2022-11-16 12:22:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8345 states, 5927 states have (on average 1.3551543782689388) internal successors, (8032), 6034 states have internal predecessors, (8032), 2157 states have call successors, (2157), 259 states have call predecessors, (2157), 258 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2022-11-16 12:22:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8345 states to 8345 states and 12343 transitions. [2022-11-16 12:22:52,732 INFO L78 Accepts]: Start accepts. Automaton has 8345 states and 12343 transitions. Word has length 60 [2022-11-16 12:22:52,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:22:52,732 INFO L495 AbstractCegarLoop]: Abstraction has 8345 states and 12343 transitions. [2022-11-16 12:22:52,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-16 12:22:52,733 INFO L276 IsEmpty]: Start isEmpty. Operand 8345 states and 12343 transitions. [2022-11-16 12:22:52,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 12:22:52,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:22:52,734 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2022-11-16 12:22:52,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:22:52,735 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:22:52,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:52,735 INFO L85 PathProgramCache]: Analyzing trace with hash -711155312, now seen corresponding path program 1 times [2022-11-16 12:22:52,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:52,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562878075] [2022-11-16 12:22:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:52,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:22:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:22:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:22:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:22:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:22:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:22:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:22:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:22:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:22:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 12:22:54,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:54,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562878075] [2022-11-16 12:22:54,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562878075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:54,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:54,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:22:54,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872483942] [2022-11-16 12:22:54,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:54,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:22:54,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:54,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:22:54,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:22:54,731 INFO L87 Difference]: Start difference. First operand 8345 states and 12343 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 12:22:55,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:22:55,525 INFO L93 Difference]: Finished difference Result 8351 states and 12348 transitions. [2022-11-16 12:22:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:22:55,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2022-11-16 12:22:55,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:22:55,564 INFO L225 Difference]: With dead ends: 8351 [2022-11-16 12:22:55,564 INFO L226 Difference]: Without dead ends: 8349 [2022-11-16 12:22:55,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:22:55,573 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12280 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:22:55,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12280 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:22:55,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2022-11-16 12:22:56,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 8349. [2022-11-16 12:22:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8349 states, 5930 states have (on average 1.354974704890388) internal successors, (8035), 6037 states have internal predecessors, (8035), 2157 states have call successors, (2157), 260 states have call predecessors, (2157), 259 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2022-11-16 12:22:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8349 states to 8349 states and 12346 transitions. [2022-11-16 12:22:56,247 INFO L78 Accepts]: Start accepts. Automaton has 8349 states and 12346 transitions. Word has length 65 [2022-11-16 12:22:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:22:56,249 INFO L495 AbstractCegarLoop]: Abstraction has 8349 states and 12346 transitions. [2022-11-16 12:22:56,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 12:22:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 8349 states and 12346 transitions. [2022-11-16 12:22:56,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-16 12:22:56,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:22:56,252 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2022-11-16 12:22:56,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:22:56,252 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:22:56,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:56,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1113965933, now seen corresponding path program 1 times [2022-11-16 12:22:56,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:56,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727890750] [2022-11-16 12:22:56,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:56,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:22:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:22:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:22:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:22:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:22:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:22:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:22:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:22:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:22:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:22:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:22:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:22:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-16 12:22:58,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:22:58,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727890750] [2022-11-16 12:22:58,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727890750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:22:58,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:22:58,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:22:58,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752693561] [2022-11-16 12:22:58,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:22:58,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:22:58,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:22:58,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:22:58,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:22:58,233 INFO L87 Difference]: Start difference. First operand 8349 states and 12346 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 12:22:59,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:22:59,129 INFO L93 Difference]: Finished difference Result 8828 states and 13033 transitions. [2022-11-16 12:22:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:22:59,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2022-11-16 12:22:59,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:22:59,169 INFO L225 Difference]: With dead ends: 8828 [2022-11-16 12:22:59,170 INFO L226 Difference]: Without dead ends: 8826 [2022-11-16 12:22:59,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:22:59,178 INFO L413 NwaCegarLoop]: 12911 mSDtfsCounter, 12220 mSDsluCounter, 26524 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12233 SdHoareTripleChecker+Valid, 39435 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:22:59,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12233 Valid, 39435 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:22:59,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8826 states. [2022-11-16 12:22:59,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8826 to 8820. [2022-11-16 12:22:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8820 states, 6251 states have (on average 1.3525835866261398) internal successors, (8455), 6363 states have internal predecessors, (8455), 2286 states have call successors, (2286), 283 states have call predecessors, (2286), 280 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:22:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8820 states to 8820 states and 13027 transitions. [2022-11-16 12:22:59,892 INFO L78 Accepts]: Start accepts. Automaton has 8820 states and 13027 transitions. Word has length 70 [2022-11-16 12:22:59,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:22:59,892 INFO L495 AbstractCegarLoop]: Abstraction has 8820 states and 13027 transitions. [2022-11-16 12:22:59,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 12:22:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 8820 states and 13027 transitions. [2022-11-16 12:22:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-16 12:22:59,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:22:59,895 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 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] [2022-11-16 12:22:59,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:22:59,896 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:22:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:22:59,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1718608688, now seen corresponding path program 1 times [2022-11-16 12:22:59,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:22:59,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374310327] [2022-11-16 12:22:59,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:22:59,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:23:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:23:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:23:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:23:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-16 12:23:01,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:01,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374310327] [2022-11-16 12:23:01,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374310327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:01,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:01,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:01,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739930987] [2022-11-16 12:23:01,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:01,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:01,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:01,717 INFO L87 Difference]: Start difference. First operand 8820 states and 13027 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 12:23:02,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:02,539 INFO L93 Difference]: Finished difference Result 8854 states and 13052 transitions. [2022-11-16 12:23:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:02,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2022-11-16 12:23:02,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:02,582 INFO L225 Difference]: With dead ends: 8854 [2022-11-16 12:23:02,583 INFO L226 Difference]: Without dead ends: 8852 [2022-11-16 12:23:02,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:02,592 INFO L413 NwaCegarLoop]: 12304 mSDtfsCounter, 11937 mSDsluCounter, 24930 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11949 SdHoareTripleChecker+Valid, 37234 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:02,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11949 Valid, 37234 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:02,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8852 states. [2022-11-16 12:23:03,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8852 to 8850. [2022-11-16 12:23:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8850 states, 6272 states have (on average 1.3515625) internal successors, (8477), 6384 states have internal predecessors, (8477), 2286 states have call successors, (2286), 292 states have call predecessors, (2286), 289 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8850 states to 8850 states and 13049 transitions. [2022-11-16 12:23:03,415 INFO L78 Accepts]: Start accepts. Automaton has 8850 states and 13049 transitions. Word has length 75 [2022-11-16 12:23:03,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:03,416 INFO L495 AbstractCegarLoop]: Abstraction has 8850 states and 13049 transitions. [2022-11-16 12:23:03,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 12:23:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 8850 states and 13049 transitions. [2022-11-16 12:23:03,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-16 12:23:03,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:03,418 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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] [2022-11-16 12:23:03,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:23:03,418 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:03,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:03,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1259787149, now seen corresponding path program 1 times [2022-11-16 12:23:03,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:03,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559915534] [2022-11-16 12:23:03,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:03,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:23:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:23:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:23:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:23:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:23:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-16 12:23:05,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:05,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559915534] [2022-11-16 12:23:05,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559915534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:05,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:05,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:05,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513466503] [2022-11-16 12:23:05,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:05,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:05,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:05,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:05,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:05,246 INFO L87 Difference]: Start difference. First operand 8850 states and 13049 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 12:23:06,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:06,001 INFO L93 Difference]: Finished difference Result 8856 states and 13054 transitions. [2022-11-16 12:23:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:06,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2022-11-16 12:23:06,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:06,042 INFO L225 Difference]: With dead ends: 8856 [2022-11-16 12:23:06,042 INFO L226 Difference]: Without dead ends: 8854 [2022-11-16 12:23:06,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:06,050 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12277 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:06,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12277 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:06,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8854 states. [2022-11-16 12:23:06,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8854 to 8854. [2022-11-16 12:23:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8854 states, 6275 states have (on average 1.351394422310757) internal successors, (8480), 6387 states have internal predecessors, (8480), 2286 states have call successors, (2286), 293 states have call predecessors, (2286), 290 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:06,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8854 states to 8854 states and 13052 transitions. [2022-11-16 12:23:06,859 INFO L78 Accepts]: Start accepts. Automaton has 8854 states and 13052 transitions. Word has length 80 [2022-11-16 12:23:06,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:06,859 INFO L495 AbstractCegarLoop]: Abstraction has 8854 states and 13052 transitions. [2022-11-16 12:23:06,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 12:23:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8854 states and 13052 transitions. [2022-11-16 12:23:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-16 12:23:06,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:06,861 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 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] [2022-11-16 12:23:06,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:23:06,861 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:06,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:06,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1907929904, now seen corresponding path program 1 times [2022-11-16 12:23:06,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:06,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421889189] [2022-11-16 12:23:06,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:06,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:23:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:23:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:23:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:23:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:23:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 12:23:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-16 12:23:08,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:08,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421889189] [2022-11-16 12:23:08,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421889189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:08,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:08,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:08,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729629166] [2022-11-16 12:23:08,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:08,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:08,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:08,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:08,626 INFO L87 Difference]: Start difference. First operand 8854 states and 13052 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 12:23:09,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:09,513 INFO L93 Difference]: Finished difference Result 8860 states and 13057 transitions. [2022-11-16 12:23:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:09,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2022-11-16 12:23:09,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:09,565 INFO L225 Difference]: With dead ends: 8860 [2022-11-16 12:23:09,565 INFO L226 Difference]: Without dead ends: 8858 [2022-11-16 12:23:09,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:09,574 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12276 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:09,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12276 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:09,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8858 states. [2022-11-16 12:23:10,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8858 to 8858. [2022-11-16 12:23:10,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8858 states, 6278 states have (on average 1.3512265052564512) internal successors, (8483), 6390 states have internal predecessors, (8483), 2286 states have call successors, (2286), 294 states have call predecessors, (2286), 291 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8858 states to 8858 states and 13055 transitions. [2022-11-16 12:23:10,475 INFO L78 Accepts]: Start accepts. Automaton has 8858 states and 13055 transitions. Word has length 85 [2022-11-16 12:23:10,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:10,476 INFO L495 AbstractCegarLoop]: Abstraction has 8858 states and 13055 transitions. [2022-11-16 12:23:10,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 12:23:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 8858 states and 13055 transitions. [2022-11-16 12:23:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 12:23:10,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:10,479 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 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] [2022-11-16 12:23:10,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:23:10,479 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:10,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:10,480 INFO L85 PathProgramCache]: Analyzing trace with hash 436396135, now seen corresponding path program 1 times [2022-11-16 12:23:10,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:10,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060200666] [2022-11-16 12:23:10,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:10,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:23:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:23:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:23:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:23:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:23:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:23:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:23:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:23:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:23:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-16 12:23:12,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:12,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060200666] [2022-11-16 12:23:12,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060200666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:12,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:12,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:12,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255361965] [2022-11-16 12:23:12,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:12,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:12,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:12,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:12,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:12,169 INFO L87 Difference]: Start difference. First operand 8858 states and 13055 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 12:23:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:13,098 INFO L93 Difference]: Finished difference Result 8864 states and 13060 transitions. [2022-11-16 12:23:13,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:13,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 103 [2022-11-16 12:23:13,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:13,133 INFO L225 Difference]: With dead ends: 8864 [2022-11-16 12:23:13,133 INFO L226 Difference]: Without dead ends: 8862 [2022-11-16 12:23:13,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:13,140 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12256 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12265 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:13,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12265 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:13,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8862 states. [2022-11-16 12:23:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8862 to 8862. [2022-11-16 12:23:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8862 states, 6281 states have (on average 1.3510587486069097) internal successors, (8486), 6393 states have internal predecessors, (8486), 2286 states have call successors, (2286), 295 states have call predecessors, (2286), 292 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 13058 transitions. [2022-11-16 12:23:14,002 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 13058 transitions. Word has length 103 [2022-11-16 12:23:14,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:14,002 INFO L495 AbstractCegarLoop]: Abstraction has 8862 states and 13058 transitions. [2022-11-16 12:23:14,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 12:23:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 13058 transitions. [2022-11-16 12:23:14,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-16 12:23:14,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:14,004 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 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] [2022-11-16 12:23:14,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:23:14,004 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:14,005 INFO L85 PathProgramCache]: Analyzing trace with hash -2065817380, now seen corresponding path program 1 times [2022-11-16 12:23:14,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:14,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616338089] [2022-11-16 12:23:14,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:14,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:23:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:23:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:23:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:23:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:23:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:23:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:23:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:23:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:23:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 12:23:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-16 12:23:15,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:15,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616338089] [2022-11-16 12:23:15,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616338089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:15,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:15,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:15,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865213823] [2022-11-16 12:23:15,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:15,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:15,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:15,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:15,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:15,528 INFO L87 Difference]: Start difference. First operand 8862 states and 13058 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-16 12:23:16,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:16,326 INFO L93 Difference]: Finished difference Result 8868 states and 13063 transitions. [2022-11-16 12:23:16,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:16,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2022-11-16 12:23:16,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:16,447 INFO L225 Difference]: With dead ends: 8868 [2022-11-16 12:23:16,447 INFO L226 Difference]: Without dead ends: 8866 [2022-11-16 12:23:16,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:16,456 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12256 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12264 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:16,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12264 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:16,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8866 states. [2022-11-16 12:23:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8866 to 8866. [2022-11-16 12:23:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8866 states, 6284 states have (on average 1.3508911521323999) internal successors, (8489), 6396 states have internal predecessors, (8489), 2286 states have call successors, (2286), 296 states have call predecessors, (2286), 293 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8866 states to 8866 states and 13061 transitions. [2022-11-16 12:23:17,323 INFO L78 Accepts]: Start accepts. Automaton has 8866 states and 13061 transitions. Word has length 108 [2022-11-16 12:23:17,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:17,323 INFO L495 AbstractCegarLoop]: Abstraction has 8866 states and 13061 transitions. [2022-11-16 12:23:17,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-16 12:23:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 8866 states and 13061 transitions. [2022-11-16 12:23:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-16 12:23:17,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:17,325 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 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] [2022-11-16 12:23:17,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:23:17,326 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:17,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:17,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1462830777, now seen corresponding path program 1 times [2022-11-16 12:23:17,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:17,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865715881] [2022-11-16 12:23:17,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:17,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:23:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:23:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:23:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:23:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:23:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:23:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:23:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:23:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:23:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 12:23:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:23:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-16 12:23:18,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:18,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865715881] [2022-11-16 12:23:18,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865715881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:18,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:18,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:18,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222296171] [2022-11-16 12:23:18,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:18,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:18,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:18,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:18,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:18,625 INFO L87 Difference]: Start difference. First operand 8866 states and 13061 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 12:23:19,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:19,321 INFO L93 Difference]: Finished difference Result 8872 states and 13066 transitions. [2022-11-16 12:23:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:19,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2022-11-16 12:23:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:19,354 INFO L225 Difference]: With dead ends: 8872 [2022-11-16 12:23:19,354 INFO L226 Difference]: Without dead ends: 8870 [2022-11-16 12:23:19,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:19,361 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12256 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12263 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:19,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12263 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:19,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8870 states. [2022-11-16 12:23:20,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8870 to 8870. [2022-11-16 12:23:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8870 states, 6287 states have (on average 1.3507237156036265) internal successors, (8492), 6399 states have internal predecessors, (8492), 2286 states have call successors, (2286), 297 states have call predecessors, (2286), 294 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8870 states to 8870 states and 13064 transitions. [2022-11-16 12:23:20,305 INFO L78 Accepts]: Start accepts. Automaton has 8870 states and 13064 transitions. Word has length 113 [2022-11-16 12:23:20,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:20,306 INFO L495 AbstractCegarLoop]: Abstraction has 8870 states and 13064 transitions. [2022-11-16 12:23:20,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 12:23:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 8870 states and 13064 transitions. [2022-11-16 12:23:20,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-16 12:23:20,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:20,308 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2022-11-16 12:23:20,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:23:20,309 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:20,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:20,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1832556560, now seen corresponding path program 1 times [2022-11-16 12:23:20,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:20,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986462426] [2022-11-16 12:23:20,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:20,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:23:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:23:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:23:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:23:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:23:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 12:23:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:23:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:23:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:23:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:23:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-16 12:23:21,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:21,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986462426] [2022-11-16 12:23:21,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986462426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:21,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:21,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:21,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729298769] [2022-11-16 12:23:21,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:21,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:21,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:21,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:21,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:21,737 INFO L87 Difference]: Start difference. First operand 8870 states and 13064 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 12:23:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:22,317 INFO L93 Difference]: Finished difference Result 8876 states and 13069 transitions. [2022-11-16 12:23:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:22,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 105 [2022-11-16 12:23:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:22,349 INFO L225 Difference]: With dead ends: 8876 [2022-11-16 12:23:22,349 INFO L226 Difference]: Without dead ends: 8874 [2022-11-16 12:23:22,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:22,356 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12272 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:22,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12272 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:22,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2022-11-16 12:23:23,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 8874. [2022-11-16 12:23:23,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8874 states, 6290 states have (on average 1.3505564387917328) internal successors, (8495), 6402 states have internal predecessors, (8495), 2286 states have call successors, (2286), 298 states have call predecessors, (2286), 295 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8874 states to 8874 states and 13067 transitions. [2022-11-16 12:23:23,245 INFO L78 Accepts]: Start accepts. Automaton has 8874 states and 13067 transitions. Word has length 105 [2022-11-16 12:23:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:23,246 INFO L495 AbstractCegarLoop]: Abstraction has 8874 states and 13067 transitions. [2022-11-16 12:23:23,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 12:23:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 8874 states and 13067 transitions. [2022-11-16 12:23:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-16 12:23:23,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:23,248 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 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] [2022-11-16 12:23:23,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:23:23,249 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:23,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:23,249 INFO L85 PathProgramCache]: Analyzing trace with hash 60494355, now seen corresponding path program 1 times [2022-11-16 12:23:23,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:23,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919636004] [2022-11-16 12:23:23,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:23,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:23:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:23:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:23:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:23:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:23:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 12:23:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:23:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:23:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:23:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:23:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 12:23:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-16 12:23:24,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:24,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919636004] [2022-11-16 12:23:24,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919636004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:24,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:24,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:24,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766025574] [2022-11-16 12:23:24,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:24,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:24,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:24,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:24,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:24,715 INFO L87 Difference]: Start difference. First operand 8874 states and 13067 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 12:23:25,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:25,448 INFO L93 Difference]: Finished difference Result 8880 states and 13072 transitions. [2022-11-16 12:23:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:25,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2022-11-16 12:23:25,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:25,484 INFO L225 Difference]: With dead ends: 8880 [2022-11-16 12:23:25,484 INFO L226 Difference]: Without dead ends: 8878 [2022-11-16 12:23:25,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:25,492 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12271 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:25,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12271 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8878 states. [2022-11-16 12:23:26,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8878 to 8878. [2022-11-16 12:23:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8878 states, 6293 states have (on average 1.350389321468298) internal successors, (8498), 6405 states have internal predecessors, (8498), 2286 states have call successors, (2286), 299 states have call predecessors, (2286), 296 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8878 states to 8878 states and 13070 transitions. [2022-11-16 12:23:26,375 INFO L78 Accepts]: Start accepts. Automaton has 8878 states and 13070 transitions. Word has length 110 [2022-11-16 12:23:26,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:26,376 INFO L495 AbstractCegarLoop]: Abstraction has 8878 states and 13070 transitions. [2022-11-16 12:23:26,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 12:23:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 8878 states and 13070 transitions. [2022-11-16 12:23:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-16 12:23:26,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:26,379 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 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] [2022-11-16 12:23:26,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:23:26,379 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:26,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:26,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1649247824, now seen corresponding path program 1 times [2022-11-16 12:23:26,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:26,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138547081] [2022-11-16 12:23:26,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:26,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:23:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:23:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:23:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:23:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:23:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 12:23:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:23:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:23:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:23:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:23:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 12:23:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-16 12:23:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-16 12:23:27,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:27,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138547081] [2022-11-16 12:23:27,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138547081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:27,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:27,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:27,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18033037] [2022-11-16 12:23:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:27,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:27,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:27,917 INFO L87 Difference]: Start difference. First operand 8878 states and 13070 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 12:23:28,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:28,751 INFO L93 Difference]: Finished difference Result 8884 states and 13075 transitions. [2022-11-16 12:23:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:28,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2022-11-16 12:23:28,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:28,779 INFO L225 Difference]: With dead ends: 8884 [2022-11-16 12:23:28,780 INFO L226 Difference]: Without dead ends: 8882 [2022-11-16 12:23:28,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:28,784 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12270 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:28,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12270 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:28,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8882 states. [2022-11-16 12:23:29,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8882 to 8882. [2022-11-16 12:23:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8882 states, 6296 states have (on average 1.3502223634053367) internal successors, (8501), 6408 states have internal predecessors, (8501), 2286 states have call successors, (2286), 300 states have call predecessors, (2286), 297 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:29,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8882 states to 8882 states and 13073 transitions. [2022-11-16 12:23:29,587 INFO L78 Accepts]: Start accepts. Automaton has 8882 states and 13073 transitions. Word has length 115 [2022-11-16 12:23:29,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:29,587 INFO L495 AbstractCegarLoop]: Abstraction has 8882 states and 13073 transitions. [2022-11-16 12:23:29,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 12:23:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 8882 states and 13073 transitions. [2022-11-16 12:23:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-16 12:23:29,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:29,590 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 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] [2022-11-16 12:23:29,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:23:29,590 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:29,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:29,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1993776141, now seen corresponding path program 1 times [2022-11-16 12:23:29,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:29,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755875392] [2022-11-16 12:23:29,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:29,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:23:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:23:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:23:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:23:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:23:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 12:23:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:23:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:23:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:23:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:23:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 12:23:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-16 12:23:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 12:23:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-16 12:23:31,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:31,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755875392] [2022-11-16 12:23:31,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755875392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:31,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:31,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:31,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435380168] [2022-11-16 12:23:31,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:31,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:31,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:31,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:31,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:31,228 INFO L87 Difference]: Start difference. First operand 8882 states and 13073 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 12:23:31,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:31,971 INFO L93 Difference]: Finished difference Result 8888 states and 13078 transitions. [2022-11-16 12:23:31,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:31,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 120 [2022-11-16 12:23:31,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:32,002 INFO L225 Difference]: With dead ends: 8888 [2022-11-16 12:23:32,002 INFO L226 Difference]: Without dead ends: 8886 [2022-11-16 12:23:32,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:32,007 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12269 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:32,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12269 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:32,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8886 states. [2022-11-16 12:23:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8886 to 8886. [2022-11-16 12:23:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8886 states, 6299 states have (on average 1.3500555643752976) internal successors, (8504), 6411 states have internal predecessors, (8504), 2286 states have call successors, (2286), 301 states have call predecessors, (2286), 298 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:32,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8886 states to 8886 states and 13076 transitions. [2022-11-16 12:23:32,874 INFO L78 Accepts]: Start accepts. Automaton has 8886 states and 13076 transitions. Word has length 120 [2022-11-16 12:23:32,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:32,875 INFO L495 AbstractCegarLoop]: Abstraction has 8886 states and 13076 transitions. [2022-11-16 12:23:32,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 12:23:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 8886 states and 13076 transitions. [2022-11-16 12:23:32,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-16 12:23:32,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:32,877 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 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] [2022-11-16 12:23:32,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 12:23:32,877 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:32,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:32,878 INFO L85 PathProgramCache]: Analyzing trace with hash 400982864, now seen corresponding path program 1 times [2022-11-16 12:23:32,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:32,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135486049] [2022-11-16 12:23:32,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:32,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:23:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:23:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:23:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 12:23:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:23:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:23:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 12:23:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:23:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:23:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:23:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:23:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 12:23:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-16 12:23:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 12:23:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:23:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-11-16 12:23:34,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:34,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135486049] [2022-11-16 12:23:34,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135486049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:34,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:34,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:34,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488914044] [2022-11-16 12:23:34,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:34,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:34,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:34,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:34,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:34,591 INFO L87 Difference]: Start difference. First operand 8886 states and 13076 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:23:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:35,413 INFO L93 Difference]: Finished difference Result 8892 states and 13081 transitions. [2022-11-16 12:23:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:35,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 125 [2022-11-16 12:23:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:35,436 INFO L225 Difference]: With dead ends: 8892 [2022-11-16 12:23:35,437 INFO L226 Difference]: Without dead ends: 8890 [2022-11-16 12:23:35,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:35,442 INFO L413 NwaCegarLoop]: 12302 mSDtfsCounter, 12266 mSDsluCounter, 24579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12268 SdHoareTripleChecker+Valid, 36881 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:35,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12268 Valid, 36881 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:35,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8890 states. [2022-11-16 12:23:36,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8890 to 8890. [2022-11-16 12:23:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8890 states, 6302 states have (on average 1.3498889241510632) internal successors, (8507), 6414 states have internal predecessors, (8507), 2286 states have call successors, (2286), 302 states have call predecessors, (2286), 299 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2022-11-16 12:23:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8890 states to 8890 states and 13079 transitions. [2022-11-16 12:23:36,144 INFO L78 Accepts]: Start accepts. Automaton has 8890 states and 13079 transitions. Word has length 125 [2022-11-16 12:23:36,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:36,144 INFO L495 AbstractCegarLoop]: Abstraction has 8890 states and 13079 transitions. [2022-11-16 12:23:36,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:23:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand 8890 states and 13079 transitions. [2022-11-16 12:23:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-16 12:23:36,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:36,146 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 3, 3, 3, 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] [2022-11-16 12:23:36,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 12:23:36,146 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:36,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:36,147 INFO L85 PathProgramCache]: Analyzing trace with hash -946088985, now seen corresponding path program 1 times [2022-11-16 12:23:36,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:36,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928187573] [2022-11-16 12:23:36,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:36,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:23:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:23:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:23:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:23:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:23:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:23:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:23:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:23:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:23:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 12:23:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:23:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 12:23:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:23:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-16 12:23:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:23:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:23:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 12:23:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-11-16 12:23:37,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:37,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928187573] [2022-11-16 12:23:37,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928187573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:37,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:37,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:37,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947246944] [2022-11-16 12:23:37,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:37,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:37,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:37,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:37,718 INFO L87 Difference]: Start difference. First operand 8890 states and 13079 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-16 12:23:38,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:38,472 INFO L93 Difference]: Finished difference Result 9199 states and 13494 transitions. [2022-11-16 12:23:38,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:38,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2022-11-16 12:23:38,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:38,498 INFO L225 Difference]: With dead ends: 9199 [2022-11-16 12:23:38,498 INFO L226 Difference]: Without dead ends: 9195 [2022-11-16 12:23:38,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:38,503 INFO L413 NwaCegarLoop]: 12381 mSDtfsCounter, 12017 mSDsluCounter, 25371 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12018 SdHoareTripleChecker+Valid, 37752 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:38,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12018 Valid, 37752 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:23:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9195 states. [2022-11-16 12:23:39,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9195 to 9191. [2022-11-16 12:23:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9191 states, 6501 states have (on average 1.3471773573296415) internal successors, (8758), 6613 states have internal predecessors, (8758), 2365 states have call successors, (2365), 326 states have call predecessors, (2365), 322 states have return successors, (2365), 2346 states have call predecessors, (2365), 2362 states have call successors, (2365) [2022-11-16 12:23:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9191 states to 9191 states and 13488 transitions. [2022-11-16 12:23:39,494 INFO L78 Accepts]: Start accepts. Automaton has 9191 states and 13488 transitions. Word has length 143 [2022-11-16 12:23:39,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:39,494 INFO L495 AbstractCegarLoop]: Abstraction has 9191 states and 13488 transitions. [2022-11-16 12:23:39,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-16 12:23:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 9191 states and 13488 transitions. [2022-11-16 12:23:39,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-16 12:23:39,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:39,498 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 3, 3, 3, 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] [2022-11-16 12:23:39,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 12:23:39,498 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:39,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:39,499 INFO L85 PathProgramCache]: Analyzing trace with hash 456792924, now seen corresponding path program 1 times [2022-11-16 12:23:39,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:39,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190762589] [2022-11-16 12:23:39,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:39,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:23:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:23:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:23:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:23:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:23:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:23:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:23:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:23:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:23:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:23:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:23:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:23:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 12:23:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:23:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 12:23:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:23:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-16 12:23:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:23:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:23:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 12:23:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 12:23:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-11-16 12:23:40,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:40,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190762589] [2022-11-16 12:23:40,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190762589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:40,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:40,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:23:40,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371900226] [2022-11-16 12:23:40,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:40,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:23:40,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:40,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:23:40,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:23:40,870 INFO L87 Difference]: Start difference. First operand 9191 states and 13488 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 12:23:41,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:23:41,598 INFO L93 Difference]: Finished difference Result 9191 states and 13488 transitions. [2022-11-16 12:23:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:23:41,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 148 [2022-11-16 12:23:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:23:41,622 INFO L225 Difference]: With dead ends: 9191 [2022-11-16 12:23:41,622 INFO L226 Difference]: Without dead ends: 9049 [2022-11-16 12:23:41,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:23:41,629 INFO L413 NwaCegarLoop]: 12300 mSDtfsCounter, 12252 mSDsluCounter, 24578 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12252 SdHoareTripleChecker+Valid, 36878 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:23:41,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12252 Valid, 36878 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:23:41,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9049 states. [2022-11-16 12:23:42,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9049 to 9049. [2022-11-16 12:23:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9049 states, 6410 states have (on average 1.3508580343213727) internal successors, (8659), 6519 states have internal predecessors, (8659), 2332 states have call successors, (2332), 307 states have call predecessors, (2332), 305 states have return successors, (2335), 2316 states have call predecessors, (2335), 2332 states have call successors, (2335) [2022-11-16 12:23:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9049 states to 9049 states and 13326 transitions. [2022-11-16 12:23:42,473 INFO L78 Accepts]: Start accepts. Automaton has 9049 states and 13326 transitions. Word has length 148 [2022-11-16 12:23:42,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:23:42,474 INFO L495 AbstractCegarLoop]: Abstraction has 9049 states and 13326 transitions. [2022-11-16 12:23:42,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 12:23:42,474 INFO L276 IsEmpty]: Start isEmpty. Operand 9049 states and 13326 transitions. [2022-11-16 12:23:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-16 12:23:42,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:23:42,478 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:23:42,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 12:23:42,478 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:23:42,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:42,479 INFO L85 PathProgramCache]: Analyzing trace with hash -767248995, now seen corresponding path program 1 times [2022-11-16 12:23:42,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:42,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975639699] [2022-11-16 12:23:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:42,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:23:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:23:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:23:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:23:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:23:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:23:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:23:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:23:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:23:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:23:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:23:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:23:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:23:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:23:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:23:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:23:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:23:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:23:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-16 12:23:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 12:23:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-16 12:23:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-16 12:23:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:23:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 12:23:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-16 12:23:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 12:23:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-16 12:23:43,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:43,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975639699] [2022-11-16 12:23:43,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975639699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:43,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:43,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:23:43,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574514088] [2022-11-16 12:23:43,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:43,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:23:43,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:43,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:23:43,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:23:43,929 INFO L87 Difference]: Start difference. First operand 9049 states and 13326 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 12:23:58,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:10,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:10,494 INFO L93 Difference]: Finished difference Result 18595 states and 27462 transitions. [2022-11-16 12:24:10,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:24:10,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-11-16 12:24:10,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:24:10,541 INFO L225 Difference]: With dead ends: 18595 [2022-11-16 12:24:10,542 INFO L226 Difference]: Without dead ends: 9563 [2022-11-16 12:24:10,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:24:10,588 INFO L413 NwaCegarLoop]: 10494 mSDtfsCounter, 2202 mSDsluCounter, 15662 mSDsCounter, 0 mSdLazyCounter, 6977 mSolverCounterSat, 2001 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2643 SdHoareTripleChecker+Valid, 26156 SdHoareTripleChecker+Invalid, 8978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2001 IncrementalHoareTripleChecker+Valid, 6977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:24:10,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2643 Valid, 26156 Invalid, 8978 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2001 Valid, 6977 Invalid, 0 Unknown, 0 Unchecked, 24.8s Time] [2022-11-16 12:24:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9563 states. [2022-11-16 12:24:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9563 to 9050. [2022-11-16 12:24:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9050 states, 6411 states have (on average 1.3508033068164094) internal successors, (8660), 6520 states have internal predecessors, (8660), 2332 states have call successors, (2332), 307 states have call predecessors, (2332), 305 states have return successors, (2335), 2316 states have call predecessors, (2335), 2332 states have call successors, (2335) [2022-11-16 12:24:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9050 states to 9050 states and 13327 transitions. [2022-11-16 12:24:11,822 INFO L78 Accepts]: Start accepts. Automaton has 9050 states and 13327 transitions. Word has length 198 [2022-11-16 12:24:11,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:24:11,822 INFO L495 AbstractCegarLoop]: Abstraction has 9050 states and 13327 transitions. [2022-11-16 12:24:11,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 12:24:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 9050 states and 13327 transitions. [2022-11-16 12:24:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-16 12:24:11,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:24:11,826 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:24:11,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 12:24:11,827 INFO L420 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)] === [2022-11-16 12:24:11,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:11,827 INFO L85 PathProgramCache]: Analyzing trace with hash -206549217, now seen corresponding path program 1 times [2022-11-16 12:24:11,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:11,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785451540] [2022-11-16 12:24:11,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:11,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:24:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:24:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:24:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:24:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:24:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:24:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:24:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:24:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:24:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:24:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:24:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:24:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:24:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:24:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:24:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:24:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:24:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:24:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-16 12:24:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 12:24:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-16 12:24:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-16 12:24:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 12:24:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-16 12:24:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 12:24:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-16 12:24:14,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:14,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785451540] [2022-11-16 12:24:14,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785451540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:14,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:14,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:24:14,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743380267] [2022-11-16 12:24:14,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:14,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:24:14,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:14,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:24:14,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:24:14,682 INFO L87 Difference]: Start difference. First operand 9050 states and 13327 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 12:24:33,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:24:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:24:49,358 INFO L93 Difference]: Finished difference Result 9571 states and 14150 transitions. [2022-11-16 12:24:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:24:49,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-11-16 12:24:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:24:49,397 INFO L225 Difference]: With dead ends: 9571 [2022-11-16 12:24:49,397 INFO L226 Difference]: Without dead ends: 9569 [2022-11-16 12:24:49,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:24:49,401 INFO L413 NwaCegarLoop]: 10494 mSDtfsCounter, 12513 mSDsluCounter, 24873 mSDsCounter, 0 mSdLazyCounter, 10370 mSolverCounterSat, 3623 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13837 SdHoareTripleChecker+Valid, 35367 SdHoareTripleChecker+Invalid, 13994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3623 IncrementalHoareTripleChecker+Valid, 10370 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:24:49,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13837 Valid, 35367 Invalid, 13994 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3623 Valid, 10370 Invalid, 1 Unknown, 0 Unchecked, 32.6s Time] [2022-11-16 12:24:49,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9569 states. [2022-11-16 12:24:50,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9569 to 9054. [2022-11-16 12:24:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9054 states, 6414 states have (on average 1.350639226691612) internal successors, (8663), 6523 states have internal predecessors, (8663), 2332 states have call successors, (2332), 308 states have call predecessors, (2332), 306 states have return successors, (2335), 2316 states have call predecessors, (2335), 2332 states have call successors, (2335) [2022-11-16 12:24:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9054 states to 9054 states and 13330 transitions. [2022-11-16 12:24:50,239 INFO L78 Accepts]: Start accepts. Automaton has 9054 states and 13330 transitions. Word has length 198 [2022-11-16 12:24:50,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:24:50,239 INFO L495 AbstractCegarLoop]: Abstraction has 9054 states and 13330 transitions. [2022-11-16 12:24:50,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 12:24:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 9054 states and 13330 transitions. [2022-11-16 12:24:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-16 12:24:50,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:24:50,246 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:24:50,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 12:24:50,246 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:24:50,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash 696691222, now seen corresponding path program 1 times [2022-11-16 12:24:50,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:50,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145482756] [2022-11-16 12:24:50,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:50,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:24:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:24:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:24:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:24:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:24:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:24:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:24:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:24:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:24:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:24:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:24:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:24:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:24:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:24:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:24:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:24:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:24:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:24:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-16 12:24:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 12:24:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-16 12:24:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-16 12:24:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-16 12:24:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-16 12:24:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-16 12:24:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 12:24:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 12:24:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-16 12:24:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-16 12:24:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-16 12:24:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-16 12:24:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-16 12:24:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 12:24:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:24:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:53,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:24:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-16 12:24:53,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:53,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145482756] [2022-11-16 12:24:53,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145482756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:53,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:53,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:24:53,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587308894] [2022-11-16 12:24:53,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:53,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:24:53,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:53,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:24:53,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:24:53,139 INFO L87 Difference]: Start difference. First operand 9054 states and 13330 transitions. Second operand has 9 states, 8 states have (on average 15.5) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-16 12:25:30,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:25:57,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:57,545 INFO L93 Difference]: Finished difference Result 18620 states and 27503 transitions. [2022-11-16 12:25:57,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:25:57,546 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.5) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 261 [2022-11-16 12:25:57,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:57,591 INFO L225 Difference]: With dead ends: 18620 [2022-11-16 12:25:57,591 INFO L226 Difference]: Without dead ends: 9583 [2022-11-16 12:25:57,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:25:57,635 INFO L413 NwaCegarLoop]: 10246 mSDtfsCounter, 2208 mSDsluCounter, 61314 mSDsCounter, 0 mSdLazyCounter, 23578 mSolverCounterSat, 2027 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2646 SdHoareTripleChecker+Valid, 71560 SdHoareTripleChecker+Invalid, 25606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 2027 IncrementalHoareTripleChecker+Valid, 23578 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:57,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2646 Valid, 71560 Invalid, 25606 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [2027 Valid, 23578 Invalid, 1 Unknown, 0 Unchecked, 61.6s Time] [2022-11-16 12:25:57,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9583 states. [2022-11-16 12:25:58,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9583 to 9060. [2022-11-16 12:25:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9060 states, 6418 states have (on average 1.3504206918043005) internal successors, (8667), 6525 states have internal predecessors, (8667), 2334 states have call successors, (2334), 308 states have call predecessors, (2334), 306 states have return successors, (2337), 2318 states have call predecessors, (2337), 2334 states have call successors, (2337) [2022-11-16 12:25:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9060 states to 9060 states and 13338 transitions. [2022-11-16 12:25:58,841 INFO L78 Accepts]: Start accepts. Automaton has 9060 states and 13338 transitions. Word has length 261 [2022-11-16 12:25:58,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:58,842 INFO L495 AbstractCegarLoop]: Abstraction has 9060 states and 13338 transitions. [2022-11-16 12:25:58,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.5) internal successors, (124), 6 states have internal predecessors, (124), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-16 12:25:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 9060 states and 13338 transitions. [2022-11-16 12:25:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-16 12:25:58,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:58,848 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:25:58,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 12:25:58,849 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:25:58,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:58,849 INFO L85 PathProgramCache]: Analyzing trace with hash -981696164, now seen corresponding path program 1 times [2022-11-16 12:25:58,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:58,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677984549] [2022-11-16 12:25:58,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:26:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:26:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:26:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:26:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:26:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:26:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:26:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:26:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:26:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:26:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:26:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:26:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:26:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:26:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:26:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:26:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:26:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:26:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-16 12:26:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 12:26:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-16 12:26:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-16 12:26:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 12:26:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-16 12:26:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 12:26:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-16 12:26:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 12:26:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-16 12:26:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 12:26:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:26:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:26:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-16 12:26:00,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:00,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677984549] [2022-11-16 12:26:00,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677984549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:00,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:00,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:26:00,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374056838] [2022-11-16 12:26:00,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:00,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:00,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:00,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:00,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:00,800 INFO L87 Difference]: Start difference. First operand 9060 states and 13338 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 12:26:23,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:26:40,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:26:40,462 INFO L93 Difference]: Finished difference Result 9575 states and 14156 transitions. [2022-11-16 12:26:40,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:26:40,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 238 [2022-11-16 12:26:40,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:26:40,509 INFO L225 Difference]: With dead ends: 9575 [2022-11-16 12:26:40,509 INFO L226 Difference]: Without dead ends: 9573 [2022-11-16 12:26:40,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:26:40,517 INFO L413 NwaCegarLoop]: 10514 mSDtfsCounter, 2239 mSDsluCounter, 34112 mSDsCounter, 0 mSdLazyCounter, 13456 mSolverCounterSat, 2030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 44626 SdHoareTripleChecker+Invalid, 15486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2030 IncrementalHoareTripleChecker+Valid, 13456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:26:40,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 44626 Invalid, 15486 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2030 Valid, 13456 Invalid, 0 Unknown, 0 Unchecked, 37.6s Time] [2022-11-16 12:26:40,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9573 states. [2022-11-16 12:26:41,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9573 to 9060. [2022-11-16 12:26:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9060 states, 6418 states have (on average 1.35026488002493) internal successors, (8666), 6525 states have internal predecessors, (8666), 2334 states have call successors, (2334), 308 states have call predecessors, (2334), 306 states have return successors, (2337), 2318 states have call predecessors, (2337), 2334 states have call successors, (2337) [2022-11-16 12:26:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9060 states to 9060 states and 13337 transitions. [2022-11-16 12:26:41,825 INFO L78 Accepts]: Start accepts. Automaton has 9060 states and 13337 transitions. Word has length 238 [2022-11-16 12:26:41,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:26:41,826 INFO L495 AbstractCegarLoop]: Abstraction has 9060 states and 13337 transitions. [2022-11-16 12:26:41,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 12:26:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 9060 states and 13337 transitions. [2022-11-16 12:26:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-16 12:26:41,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:26:41,834 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:26:41,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 12:26:41,834 INFO L420 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)] === [2022-11-16 12:26:41,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:41,835 INFO L85 PathProgramCache]: Analyzing trace with hash -209913627, now seen corresponding path program 1 times [2022-11-16 12:26:41,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:41,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330691858] [2022-11-16 12:26:41,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:41,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:26:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:26:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:26:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:26:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:26:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:26:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:26:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:26:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:26:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:26:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:26:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:26:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:26:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:26:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:26:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:26:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:26:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:26:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 12:26:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:26:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:26:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:26:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:26:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 12:26:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-16 12:26:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:26:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 12:26:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:26:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-16 12:26:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-16 12:26:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-16 12:26:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:26:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-16 12:26:46,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:46,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330691858] [2022-11-16 12:26:46,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330691858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:46,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:46,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:26:46,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139009187] [2022-11-16 12:26:46,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:46,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:26:46,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:46,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:26:46,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:26:46,358 INFO L87 Difference]: Start difference. First operand 9060 states and 13337 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 5 states have internal predecessors, (125), 3 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-16 12:27:48,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:50,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:52,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:54,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:56,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:58,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:00,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:02,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:04,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:06,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:08,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:11,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:13,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:15,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:17,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:19,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:21,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:24,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:27,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:29,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:31,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:33,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:35,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:37,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:42,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:44,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:51,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:29:51,301 INFO L93 Difference]: Finished difference Result 9941 states and 14773 transitions. [2022-11-16 12:29:51,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 12:29:51,302 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 5 states have internal predecessors, (125), 3 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 274 [2022-11-16 12:29:51,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:29:51,341 INFO L225 Difference]: With dead ends: 9941 [2022-11-16 12:29:51,341 INFO L226 Difference]: Without dead ends: 9939 [2022-11-16 12:29:51,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-11-16 12:29:51,349 INFO L413 NwaCegarLoop]: 7159 mSDtfsCounter, 15702 mSDsluCounter, 27436 mSDsCounter, 0 mSdLazyCounter, 33311 mSolverCounterSat, 7516 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 171.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16273 SdHoareTripleChecker+Valid, 34595 SdHoareTripleChecker+Invalid, 40852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 7516 IncrementalHoareTripleChecker+Valid, 33311 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 181.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:29:51,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16273 Valid, 34595 Invalid, 40852 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [7516 Valid, 33311 Invalid, 25 Unknown, 0 Unchecked, 181.4s Time] [2022-11-16 12:29:51,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9939 states. [2022-11-16 12:29:52,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9939 to 9064. [2022-11-16 12:29:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9064 states, 6421 states have (on average 1.3499454913564866) internal successors, (8668), 6528 states have internal predecessors, (8668), 2334 states have call successors, (2334), 309 states have call predecessors, (2334), 307 states have return successors, (2337), 2318 states have call predecessors, (2337), 2334 states have call successors, (2337) [2022-11-16 12:29:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9064 states to 9064 states and 13339 transitions. [2022-11-16 12:29:52,745 INFO L78 Accepts]: Start accepts. Automaton has 9064 states and 13339 transitions. Word has length 274 [2022-11-16 12:29:52,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:29:52,746 INFO L495 AbstractCegarLoop]: Abstraction has 9064 states and 13339 transitions. [2022-11-16 12:29:52,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 5 states have internal predecessors, (125), 3 states have call successors, (38), 6 states have call predecessors, (38), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-16 12:29:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 9064 states and 13339 transitions. [2022-11-16 12:29:52,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-16 12:29:52,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:29:52,757 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2022-11-16 12:29:52,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 12:29:52,757 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:29:52,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:52,758 INFO L85 PathProgramCache]: Analyzing trace with hash -345699371, now seen corresponding path program 1 times [2022-11-16 12:29:52,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:52,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609012317] [2022-11-16 12:29:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:52,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:53,302 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:29:53,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711210225] [2022-11-16 12:29:53,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:53,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:29:53,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:29:53,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:29:53,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:29:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:58,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 16473 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:29:58,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:29:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-16 12:29:59,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:29:59,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:59,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609012317] [2022-11-16 12:29:59,091 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:29:59,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711210225] [2022-11-16 12:29:59,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711210225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:59,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:59,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:29:59,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227263916] [2022-11-16 12:29:59,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:59,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:59,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:59,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:59,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:59,094 INFO L87 Difference]: Start difference. First operand 9064 states and 13339 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-16 12:30:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:30:00,886 INFO L93 Difference]: Finished difference Result 20227 states and 29919 transitions. [2022-11-16 12:30:00,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:30:00,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 278 [2022-11-16 12:30:00,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:30:00,927 INFO L225 Difference]: With dead ends: 20227 [2022-11-16 12:30:00,927 INFO L226 Difference]: Without dead ends: 11180 [2022-11-16 12:30:00,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:30:00,968 INFO L413 NwaCegarLoop]: 14133 mSDtfsCounter, 2156 mSDsluCounter, 12463 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 26596 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:30:00,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 26596 Invalid, 6 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:30:00,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11180 states. [2022-11-16 12:30:02,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11180 to 9105. [2022-11-16 12:30:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9105 states, 6455 states have (on average 1.3499612703330752) internal successors, (8714), 6562 states have internal predecessors, (8714), 2341 states have call successors, (2341), 309 states have call predecessors, (2341), 307 states have return successors, (2344), 2325 states have call predecessors, (2344), 2341 states have call successors, (2344) [2022-11-16 12:30:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9105 states to 9105 states and 13399 transitions. [2022-11-16 12:30:02,189 INFO L78 Accepts]: Start accepts. Automaton has 9105 states and 13399 transitions. Word has length 278 [2022-11-16 12:30:02,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:30:02,190 INFO L495 AbstractCegarLoop]: Abstraction has 9105 states and 13399 transitions. [2022-11-16 12:30:02,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-16 12:30:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 9105 states and 13399 transitions. [2022-11-16 12:30:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-16 12:30:02,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:30:02,202 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2022-11-16 12:30:02,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 12:30:02,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-16 12:30:02,415 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:30:02,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:02,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1047299245, now seen corresponding path program 1 times [2022-11-16 12:30:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:02,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144883597] [2022-11-16 12:30:02,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:02,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:03,245 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:30:03,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412614044] [2022-11-16 12:30:03,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:03,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:30:03,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:30:03,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:30:03,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:30:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:09,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 16494 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:30:09,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:30:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-16 12:30:09,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:30:09,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:30:09,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144883597] [2022-11-16 12:30:09,335 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:30:09,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412614044] [2022-11-16 12:30:09,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412614044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:30:09,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:30:09,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:30:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474140288] [2022-11-16 12:30:09,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:30:09,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:30:09,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:30:09,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:30:09,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:30:09,339 INFO L87 Difference]: Start difference. First operand 9105 states and 13399 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-16 12:30:11,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:30:11,286 INFO L93 Difference]: Finished difference Result 18588 states and 27369 transitions. [2022-11-16 12:30:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:30:11,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 278 [2022-11-16 12:30:11,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:30:11,329 INFO L225 Difference]: With dead ends: 18588 [2022-11-16 12:30:11,329 INFO L226 Difference]: Without dead ends: 9500 [2022-11-16 12:30:11,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:30:11,369 INFO L413 NwaCegarLoop]: 12642 mSDtfsCounter, 2593 mSDsluCounter, 22041 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 34683 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:30:11,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 34683 Invalid, 132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [89 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 12:30:11,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9500 states. [2022-11-16 12:30:12,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9500 to 9107. [2022-11-16 12:30:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9107 states, 6457 states have (on average 1.3498528728511692) internal successors, (8716), 6564 states have internal predecessors, (8716), 2341 states have call successors, (2341), 309 states have call predecessors, (2341), 307 states have return successors, (2344), 2325 states have call predecessors, (2344), 2341 states have call successors, (2344) [2022-11-16 12:30:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9107 states to 9107 states and 13401 transitions. [2022-11-16 12:30:12,750 INFO L78 Accepts]: Start accepts. Automaton has 9107 states and 13401 transitions. Word has length 278 [2022-11-16 12:30:12,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:30:12,751 INFO L495 AbstractCegarLoop]: Abstraction has 9107 states and 13401 transitions. [2022-11-16 12:30:12,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-16 12:30:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 9107 states and 13401 transitions. [2022-11-16 12:30:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-11-16 12:30:12,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:30:12,763 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:30:12,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:30:12,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-16 12:30:12,991 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:30:12,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:12,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2112140059, now seen corresponding path program 1 times [2022-11-16 12:30:12,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:12,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184945498] [2022-11-16 12:30:12,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:12,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:30:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:30:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:30:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:30:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:30:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:30:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:30:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:30:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:30:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:30:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:30:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:30:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:30:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:30:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:30:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:30:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:30:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:30:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 12:30:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:30:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:30:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:30:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:30:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 12:30:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-16 12:30:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 12:30:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:30:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-16 12:30:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-16 12:30:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-16 12:30:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-16 12:30:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-16 12:30:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-16 12:30:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-16 12:30:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 12:30:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-16 12:30:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-16 12:30:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2022-11-16 12:30:16,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:30:16,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184945498] [2022-11-16 12:30:16,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184945498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:30:16,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:30:16,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:30:16,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322685920] [2022-11-16 12:30:16,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:30:16,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:30:16,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:30:16,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:30:16,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:30:16,360 INFO L87 Difference]: Start difference. First operand 9107 states and 13401 transitions. Second operand has 9 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-16 12:31:12,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:31:49,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:49,534 INFO L93 Difference]: Finished difference Result 11113 states and 16633 transitions. [2022-11-16 12:31:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 12:31:49,534 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 3 states have call successors, (38) Word has length 313 [2022-11-16 12:31:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:49,581 INFO L225 Difference]: With dead ends: 11113 [2022-11-16 12:31:49,581 INFO L226 Difference]: Without dead ends: 11111 [2022-11-16 12:31:49,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-16 12:31:49,589 INFO L413 NwaCegarLoop]: 8392 mSDtfsCounter, 9323 mSDsluCounter, 31852 mSDsCounter, 0 mSdLazyCounter, 28388 mSolverCounterSat, 8753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10463 SdHoareTripleChecker+Valid, 40244 SdHoareTripleChecker+Invalid, 37141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 8753 IncrementalHoareTripleChecker+Valid, 28388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:49,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10463 Valid, 40244 Invalid, 37141 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [8753 Valid, 28388 Invalid, 0 Unknown, 0 Unchecked, 89.4s Time] [2022-11-16 12:31:49,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11111 states. [2022-11-16 12:31:50,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11111 to 9107. [2022-11-16 12:31:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9107 states, 6457 states have (on average 1.3495431314852098) internal successors, (8714), 6564 states have internal predecessors, (8714), 2341 states have call successors, (2341), 309 states have call predecessors, (2341), 307 states have return successors, (2344), 2325 states have call predecessors, (2344), 2341 states have call successors, (2344) [2022-11-16 12:31:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9107 states to 9107 states and 13399 transitions. [2022-11-16 12:31:50,808 INFO L78 Accepts]: Start accepts. Automaton has 9107 states and 13399 transitions. Word has length 313 [2022-11-16 12:31:50,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:50,809 INFO L495 AbstractCegarLoop]: Abstraction has 9107 states and 13399 transitions. [2022-11-16 12:31:50,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.125) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-16 12:31:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 9107 states and 13399 transitions. [2022-11-16 12:31:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-16 12:31:50,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:50,821 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:31:50,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 12:31:50,822 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:31:50,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash -116526580, now seen corresponding path program 1 times [2022-11-16 12:31:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:31:50,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49126990] [2022-11-16 12:31:50,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:31:51,412 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:31:51,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381553524] [2022-11-16 12:31:51,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:51,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:31:51,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:31:51,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:31:51,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:31:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:31:56,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 16763 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:31:56,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:31:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-16 12:31:56,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:31:56,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:31:56,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49126990] [2022-11-16 12:31:56,509 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:31:56,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381553524] [2022-11-16 12:31:56,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381553524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:31:56,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:31:56,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:31:56,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137523150] [2022-11-16 12:31:56,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:31:56,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:31:56,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:31:56,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:31:56,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:31:56,512 INFO L87 Difference]: Start difference. First operand 9107 states and 13399 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 12:31:58,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:31:58,226 INFO L93 Difference]: Finished difference Result 18385 states and 27062 transitions. [2022-11-16 12:31:58,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:31:58,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 300 [2022-11-16 12:31:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:31:58,263 INFO L225 Difference]: With dead ends: 18385 [2022-11-16 12:31:58,263 INFO L226 Difference]: Without dead ends: 9295 [2022-11-16 12:31:58,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:31:58,294 INFO L413 NwaCegarLoop]: 12461 mSDtfsCounter, 373 mSDsluCounter, 24465 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 36926 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:31:58,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 36926 Invalid, 110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [99 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 12:31:58,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9295 states. [2022-11-16 12:31:59,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9295 to 9109. [2022-11-16 12:31:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9109 states, 6459 states have (on average 1.349434897042886) internal successors, (8716), 6566 states have internal predecessors, (8716), 2341 states have call successors, (2341), 309 states have call predecessors, (2341), 307 states have return successors, (2344), 2325 states have call predecessors, (2344), 2341 states have call successors, (2344) [2022-11-16 12:31:59,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9109 states to 9109 states and 13401 transitions. [2022-11-16 12:31:59,380 INFO L78 Accepts]: Start accepts. Automaton has 9109 states and 13401 transitions. Word has length 300 [2022-11-16 12:31:59,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:31:59,381 INFO L495 AbstractCegarLoop]: Abstraction has 9109 states and 13401 transitions. [2022-11-16 12:31:59,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-16 12:31:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 9109 states and 13401 transitions. [2022-11-16 12:31:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-11-16 12:31:59,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:31:59,388 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:31:59,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 12:31:59,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff50496-5889-4afa-9b4d-35e7ad61e5fe/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-16 12:31:59,588 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:31:59,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:31:59,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1773915922, now seen corresponding path program 1 times [2022-11-16 12:31:59,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:31:59,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958556135] [2022-11-16 12:31:59,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:31:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:31:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:32:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:32:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:32:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:32:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:32:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:32:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:32:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:32:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:32:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:32:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:32:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:32:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:32:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:32:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:32:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:32:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:32:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:32:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 12:32:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:32:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:32:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:32:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:32:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 12:32:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-16 12:32:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 12:32:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:32:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-16 12:32:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-16 12:32:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-16 12:32:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-16 12:32:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:32:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:32:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:32:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:32:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:32:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 12:32:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-16 12:32:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:32:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:32:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:32:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:32:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:32:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:32:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-16 12:32:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-16 12:32:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-16 12:32:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2022-11-16 12:32:01,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:32:01,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958556135] [2022-11-16 12:32:01,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958556135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:32:01,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:32:01,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 12:32:01,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354538322] [2022-11-16 12:32:01,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:32:01,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:32:01,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:32:01,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:32:01,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:32:01,749 INFO L87 Difference]: Start difference. First operand 9109 states and 13401 transitions. Second operand has 10 states, 10 states have (on average 18.1) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (54), 6 states have call predecessors, (54), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-16 12:32:55,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:56,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:59,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:01,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:03,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:05,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:07,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:09,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:10,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:12,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:14,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:17,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:19,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:58,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:34:02,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:02,718 INFO L93 Difference]: Finished difference Result 19086 states and 28232 transitions. [2022-11-16 12:34:02,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 12:34:02,719 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (54), 6 states have call predecessors, (54), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) Word has length 387 [2022-11-16 12:34:02,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:34:02,768 INFO L225 Difference]: With dead ends: 19086 [2022-11-16 12:34:02,768 INFO L226 Difference]: Without dead ends: 9994 [2022-11-16 12:34:02,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:34:02,801 INFO L413 NwaCegarLoop]: 9901 mSDtfsCounter, 4054 mSDsluCounter, 44560 mSDsCounter, 0 mSdLazyCounter, 26117 mSolverCounterSat, 4962 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4571 SdHoareTripleChecker+Valid, 54461 SdHoareTripleChecker+Invalid, 31091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 4962 IncrementalHoareTripleChecker+Valid, 26117 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:34:02,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4571 Valid, 54461 Invalid, 31091 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [4962 Valid, 26117 Invalid, 12 Unknown, 0 Unchecked, 117.3s Time] [2022-11-16 12:34:02,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2022-11-16 12:34:03,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 9114. [2022-11-16 12:34:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9114 states, 6463 states have (on average 1.349218629119604) internal successors, (8720), 6570 states have internal predecessors, (8720), 2341 states have call successors, (2341), 309 states have call predecessors, (2341), 308 states have return successors, (2346), 2326 states have call predecessors, (2346), 2341 states have call successors, (2346) [2022-11-16 12:34:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9114 states to 9114 states and 13407 transitions. [2022-11-16 12:34:03,957 INFO L78 Accepts]: Start accepts. Automaton has 9114 states and 13407 transitions. Word has length 387 [2022-11-16 12:34:03,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:34:03,957 INFO L495 AbstractCegarLoop]: Abstraction has 9114 states and 13407 transitions. [2022-11-16 12:34:03,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (54), 6 states have call predecessors, (54), 2 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-16 12:34:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 9114 states and 13407 transitions. [2022-11-16 12:34:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-16 12:34:03,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:34:03,965 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2022-11-16 12:34:03,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-16 12:34:03,965 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 12:34:03,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:03,966 INFO L85 PathProgramCache]: Analyzing trace with hash -776682304, now seen corresponding path program 1 times [2022-11-16 12:34:03,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:03,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522432514] [2022-11-16 12:34:03,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:03,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:34:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:34:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:34:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:34:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:34:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:34:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:04,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:34:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:34:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:34:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:34:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:34:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 12:34:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:34:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:34:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 12:34:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:34:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 12:34:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-16 12:34:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-16 12:34:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-16 12:34:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-16 12:34:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 12:34:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-16 12:34:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 12:34:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:34:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:34:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:34:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:34:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:34:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 12:34:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-16 12:34:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:34:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:34:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:34:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:34:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:34:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:34:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-16 12:34:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 12:34:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-16 12:34:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-16 12:34:05,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:05,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522432514] [2022-11-16 12:34:05,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522432514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:05,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:05,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:34:05,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829330786] [2022-11-16 12:34:05,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:05,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:34:05,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:05,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:34:05,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:34:05,296 INFO L87 Difference]: Start difference. First operand 9114 states and 13407 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 4 states have call predecessors, (44), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-16 12:34:30,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []