./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 5e519f3a 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_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/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_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc --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-5e519f3 [2022-11-02 21:12:04,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:12:04,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:12:04,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:12:04,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:12:04,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:12:04,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:12:04,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:12:04,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:12:04,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:12:04,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:12:04,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:12:04,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:12:04,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:12:04,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:12:04,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:12:04,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:12:04,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:12:04,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:12:04,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:12:04,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:12:04,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:12:04,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:12:04,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:12:04,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:12:04,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:12:04,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:12:04,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:12:04,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:12:04,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:12:04,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:12:04,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:12:04,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:12:04,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:12:04,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:12:04,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:12:04,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:12:04,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:12:04,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:12:04,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:12:04,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:12:04,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:12:04,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:12:04,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:12:04,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:12:04,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:12:04,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:12:04,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:12:04,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:12:04,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:12:04,499 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:12:04,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:12:04,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:12:04,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:12:04,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:12:04,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:12:04,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:12:04,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:12:04,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:12:04,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:12:04,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:12:04,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:12:04,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:12:04,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:12:04,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:12:04,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:12:04,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:12:04,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:12:04,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:12:04,514 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:12:04,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:12:04,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:12:04,515 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_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b [2022-11-02 21:12:04,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:12:04,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:12:04,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:12:04,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:12:04,813 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:12:04,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-02 21:12:04,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/data/b4fb5fab7/a102bf496c724506999f24f171240c86/FLAGb90315f28 [2022-11-02 21:12:06,205 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:12:06,206 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-02 21:12:06,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/data/b4fb5fab7/a102bf496c724506999f24f171240c86/FLAGb90315f28 [2022-11-02 21:12:06,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/data/b4fb5fab7/a102bf496c724506999f24f171240c86 [2022-11-02 21:12:06,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:12:06,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:12:06,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:12:06,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:12:06,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:12:06,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:12:06" (1/1) ... [2022-11-02 21:12:06,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359c1893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:06, skipping insertion in model container [2022-11-02 21:12:06,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:12:06" (1/1) ... [2022-11-02 21:12:06,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:12:07,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:12:16,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-02 21:12:16,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-02 21:12:16,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-02 21:12:16,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-02 21:12:17,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:12:17,142 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:12:18,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-02 21:12:18,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-02 21:12:18,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-02 21:12:18,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-02 21:12:18,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:12:18,889 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:12:18,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18 WrapperNode [2022-11-02 21:12:18,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:12:18,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:12:18,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:12:18,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:12:18,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:19,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:20,417 INFO L138 Inliner]: procedures = 856, calls = 16450, calls flagged for inlining = 419, calls inlined = 352, statements flattened = 29361 [2022-11-02 21:12:20,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:12:20,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:12:20,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:12:20,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:12:20,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:20,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:20,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:20,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:21,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:21,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:21,347 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:21,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:21,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:12:21,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:12:21,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:12:21,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:12:21,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (1/1) ... [2022-11-02 21:12:21,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:12:21,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:12:21,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:12:21,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b6874-4309-458c-9684-192707af5a52/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:12:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-02 21:12:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-02 21:12:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-02 21:12:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-02 21:12:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-02 21:12:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-02 21:12:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-02 21:12:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-02 21:12:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-02 21:12:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-02 21:12:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-02 21:12:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-02 21:12:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-02 21:12:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-02 21:12:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 21:12:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 21:12:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-02 21:12:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-02 21:12:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 21:12:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 21:12:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-02 21:12:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-02 21:12:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 21:12:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 21:12:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 21:12:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 21:12:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-02 21:12:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-02 21:12:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 21:12:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 21:12:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-02 21:12:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-02 21:12:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-02 21:12:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-02 21:12:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-02 21:12:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-02 21:12:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 21:12:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 21:12:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 21:12:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 21:12:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 21:12:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 21:12:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 21:12:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 21:12:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-02 21:12:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-02 21:12:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-02 21:12:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-02 21:12:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-02 21:12:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-02 21:12:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 21:12:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 21:12:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 21:12:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 21:12:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 21:12:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 21:12:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-02 21:12:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-02 21:12:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-02 21:12:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-02 21:12:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-02 21:12:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-02 21:12:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-02 21:12:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-02 21:12:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 21:12:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 21:12:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-02 21:12:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-02 21:12:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 21:12:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 21:12:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-02 21:12:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-02 21:12:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:12:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-02 21:12:21,694 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-02 21:12:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-02 21:12:21,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-02 21:12:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-02 21:12:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-02 21:12:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-02 21:12:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-02 21:12:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 21:12:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 21:12:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-02 21:12:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-02 21:12:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 21:12:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 21:12:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-02 21:12:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-02 21:12:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-02 21:12:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-02 21:12:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-02 21:12:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-02 21:12:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 21:12:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 21:12:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:12:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-02 21:12:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-02 21:12:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:12:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 21:12:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 21:12:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:12:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:12:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:12:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-02 21:12:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-02 21:12:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 21:12:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-02 21:12:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-02 21:12:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-02 21:12:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-02 21:12:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 21:12:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 21:12:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-02 21:12:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-02 21:12:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:12:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:12:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-02 21:12:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-02 21:12:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 21:12:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 21:12:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-02 21:12:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-02 21:12:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-02 21:12:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-02 21:12:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 21:12:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 21:12:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-02 21:12:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-02 21:12:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-02 21:12:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-02 21:12:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-02 21:12:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-02 21:12:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:12:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:12:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-02 21:12:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-02 21:12:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-02 21:12:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-02 21:12:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-02 21:12:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-02 21:12:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-02 21:12:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-02 21:12:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 21:12:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 21:12:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-02 21:12:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-02 21:12:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 21:12:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:12:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-02 21:12:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-02 21:12:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-02 21:12:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 21:12:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 21:12:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 21:12:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 21:12:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 21:12:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-02 21:12:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-02 21:12:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-02 21:12:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-02 21:12:21,708 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-02 21:12:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-02 21:12:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:12:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:12:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-02 21:12:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-02 21:12:21,709 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-02 21:12:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-02 21:12:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-02 21:12:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-02 21:12:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-02 21:12:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-02 21:12:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-02 21:12:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-02 21:12:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-02 21:12:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-02 21:12:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-02 21:12:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-02 21:12:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:12:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 21:12:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 21:12:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-02 21:12:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-02 21:12:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:12:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-02 21:12:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-02 21:12:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-02 21:12:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-02 21:12:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-02 21:12:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-02 21:12:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-02 21:12:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-02 21:12:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-02 21:12:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-02 21:12:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-02 21:12:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-02 21:12:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-02 21:12:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-02 21:12:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 21:12:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 21:12:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 21:12:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 21:12:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-02 21:12:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-02 21:12:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-02 21:12:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-02 21:12:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-02 21:12:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-02 21:12:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-02 21:12:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-02 21:12:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-02 21:12:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-02 21:12:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-02 21:12:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-02 21:12:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-02 21:12:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-02 21:12:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-02 21:12:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-02 21:12:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-02 21:12:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-02 21:12:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 21:12:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 21:12:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:12:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-02 21:12:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-02 21:12:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:12:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:12:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2022-11-02 21:12:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2022-11-02 21:12:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-02 21:12:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-02 21:12:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 21:12:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 21:12:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-02 21:12:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-02 21:12:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-02 21:12:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-02 21:12:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-02 21:12:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-02 21:12:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-02 21:12:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-02 21:12:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-02 21:12:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-02 21:12:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:12:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-02 21:12:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-02 21:12:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-02 21:12:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 21:12:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 21:12:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-02 21:12:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-02 21:12:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-02 21:12:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-02 21:12:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-02 21:12:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-02 21:12:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-02 21:12:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 21:12:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 21:12:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2022-11-02 21:12:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2022-11-02 21:12:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:12:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:12:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2022-11-02 21:12:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2022-11-02 21:12:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-02 21:12:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-02 21:12:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-02 21:12:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-02 21:12:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:12:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:12:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-02 21:12:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-02 21:12:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-02 21:12:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-02 21:12:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-02 21:12:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-02 21:12:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 21:12:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 21:12:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-02 21:12:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-02 21:12:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-02 21:12:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-02 21:12:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 21:12:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 21:12:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-02 21:12:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-02 21:12:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-02 21:12:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-02 21:12:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-02 21:12:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-02 21:12:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2022-11-02 21:12:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2022-11-02 21:12:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-02 21:12:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-02 21:12:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-02 21:12:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-02 21:12:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 21:12:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 21:12:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 21:12:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 21:12:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 21:12:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 21:12:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:12:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:12:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-02 21:12:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-02 21:12:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:12:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-02 21:12:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-02 21:12:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-02 21:12:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-02 21:12:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-02 21:12:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-02 21:12:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-02 21:12:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-02 21:12:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-02 21:12:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-02 21:12:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 21:12:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 21:12:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 21:12:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-02 21:12:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-02 21:12:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-02 21:12:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-02 21:12:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 21:12:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 21:12:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 21:12:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-02 21:12:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-02 21:12:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 21:12:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 21:12:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-02 21:12:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-02 21:12:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-02 21:12:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-02 21:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 21:12:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 21:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 21:12:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 21:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-02 21:12:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-02 21:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-02 21:12:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-02 21:12:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-02 21:12:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-02 21:12:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-02 21:12:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-02 21:12:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-02 21:12:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-02 21:12:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-02 21:12:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-02 21:12:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 21:12:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 21:12:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:12:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 21:12:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-02 21:12:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-02 21:12:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-02 21:12:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-02 21:12:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-02 21:12:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-02 21:12:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-02 21:12:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-02 21:12:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-02 21:12:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-02 21:12:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 21:12:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 21:12:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 21:12:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 21:12:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-02 21:12:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-02 21:12:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-02 21:12:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-02 21:12:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 21:12:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 21:12:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-02 21:12:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-02 21:12:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-02 21:12:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-02 21:12:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-02 21:12:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-02 21:12:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-02 21:12:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-02 21:12:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 21:12:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 21:12:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-02 21:12:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-02 21:12:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 21:12:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 21:12:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-02 21:12:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-02 21:12:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-02 21:12:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-02 21:12:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 21:12:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:12:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:12:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 21:12:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 21:12:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 21:12:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 21:12:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 21:12:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 21:12:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-02 21:12:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-02 21:12:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-02 21:12:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-02 21:12:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 21:12:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 21:12:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-02 21:12:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-02 21:12:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-02 21:12:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-02 21:12:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 21:12:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 21:12:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-02 21:12:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-02 21:12:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-02 21:12:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-02 21:12:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-02 21:12:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-02 21:12:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 21:12:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 21:12:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 21:12:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 21:12:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-02 21:12:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-02 21:12:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 21:12:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 21:12:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-02 21:12:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-02 21:12:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-02 21:12:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-02 21:12:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:12:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-02 21:12:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-02 21:12:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-02 21:12:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-02 21:12:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-02 21:12:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-02 21:12:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-02 21:12:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-02 21:12:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 21:12:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 21:12:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-02 21:12:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-02 21:12:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-02 21:12:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-02 21:12:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-02 21:12:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-02 21:12:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-02 21:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-02 21:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2022-11-02 21:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2022-11-02 21:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-02 21:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-02 21:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 21:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 21:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 21:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 21:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-02 21:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-02 21:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-02 21:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-02 21:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-02 21:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-02 21:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-02 21:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-02 21:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-02 21:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-02 21:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-02 21:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-02 21:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 21:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 21:12:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:12:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-02 21:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-02 21:12:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-02 21:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-02 21:12:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-02 21:12:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-02 21:12:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-02 21:12:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-02 21:12:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-02 21:12:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-02 21:12:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 21:12:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 21:12:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-02 21:12:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-02 21:12:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 21:12:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 21:12:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-02 21:12:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-02 21:12:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-02 21:12:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-02 21:12:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-02 21:12:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-02 21:12:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-02 21:12:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-02 21:12:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 21:12:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 21:12:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 21:12:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 21:12:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 21:12:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 21:12:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-02 21:12:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-02 21:12:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-02 21:12:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-02 21:12:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 21:12:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 21:12:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 21:12:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 21:12:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-02 21:12:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-02 21:12:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:12:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 21:12:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 21:12:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 21:12:24,265 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:12:24,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:12:25,720 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:13:40,378 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:13:40,413 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:13:40,413 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-02 21:13:40,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:13:40 BoogieIcfgContainer [2022-11-02 21:13:40,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:13:40,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:13:40,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:13:40,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:13:40,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:12:06" (1/3) ... [2022-11-02 21:13:40,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562ebffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:13:40, skipping insertion in model container [2022-11-02 21:13:40,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:12:18" (2/3) ... [2022-11-02 21:13:40,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562ebffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:13:40, skipping insertion in model container [2022-11-02 21:13:40,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:13:40" (3/3) ... [2022-11-02 21:13:40,430 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-02 21:13:40,450 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:13:40,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 21:13:40,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:13:40,630 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;@35c5f817, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:13:40,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 21:13:40,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 8047 states, 5637 states have (on average 1.3505410679439418) internal successors, (7613), 5745 states have internal predecessors, (7613), 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) [2022-11-02 21:13:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 21:13:40,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:13:40,670 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] [2022-11-02 21:13:40,671 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)] === [2022-11-02 21:13:40,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:40,677 INFO L85 PathProgramCache]: Analyzing trace with hash -127250995, now seen corresponding path program 1 times [2022-11-02 21:13:40,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:40,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754065780] [2022-11-02 21:13:40,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:40,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:13:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:13:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:13:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:13:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:13:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:44,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:13:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 21:13:44,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:13:44,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754065780] [2022-11-02 21:13:44,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754065780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:13:44,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:13:44,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:13:44,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393733350] [2022-11-02 21:13:44,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:13:44,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:13:44,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:44,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:13:44,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:13:44,388 INFO L87 Difference]: Start difference. First operand has 8047 states, 5637 states have (on average 1.3505410679439418) internal successors, (7613), 5745 states have internal predecessors, (7613), 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) [2022-11-02 21:13:45,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:13:45,652 INFO L93 Difference]: Finished difference Result 16039 states and 24220 transitions. [2022-11-02 21:13:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:13:45,656 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 [2022-11-02 21:13:45,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:13:45,749 INFO L225 Difference]: With dead ends: 16039 [2022-11-02 21:13:45,749 INFO L226 Difference]: Without dead ends: 8005 [2022-11-02 21:13:45,870 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 [2022-11-02 21:13:45,874 INFO L413 NwaCegarLoop]: 11844 mSDtfsCounter, 11815 mSDsluCounter, 23669 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11833 SdHoareTripleChecker+Valid, 35513 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 [2022-11-02 21:13:45,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11833 Valid, 35513 Invalid, 26 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:13:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8005 states. [2022-11-02 21:13:46,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8005 to 8005. [2022-11-02 21:13:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8005 states, 5600 states have (on average 1.3448214285714286) internal successors, (7531), 5705 states have internal predecessors, (7531), 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) [2022-11-02 21:13:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8005 states to 8005 states and 11834 transitions. [2022-11-02 21:13:46,794 INFO L78 Accepts]: Start accepts. Automaton has 8005 states and 11834 transitions. Word has length 50 [2022-11-02 21:13:46,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:13:46,796 INFO L495 AbstractCegarLoop]: Abstraction has 8005 states and 11834 transitions. [2022-11-02 21:13:46,797 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) [2022-11-02 21:13:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 8005 states and 11834 transitions. [2022-11-02 21:13:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 21:13:46,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:13:46,802 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] [2022-11-02 21:13:46,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:13:46,803 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)] === [2022-11-02 21:13:46,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:46,803 INFO L85 PathProgramCache]: Analyzing trace with hash -367112587, now seen corresponding path program 1 times [2022-11-02 21:13:46,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:46,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249876236] [2022-11-02 21:13:46,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:46,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:13:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:13:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:13:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:13:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:13:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:13:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:13:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 21:13:49,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:13:49,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249876236] [2022-11-02 21:13:49,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249876236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:13:49,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:13:49,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:13:49,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20479407] [2022-11-02 21:13:49,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:13:49,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:13:49,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:49,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:13:49,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:13:49,660 INFO L87 Difference]: Start difference. First operand 8005 states and 11834 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) [2022-11-02 21:13:50,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:13:50,384 INFO L93 Difference]: Finished difference Result 8045 states and 11872 transitions. [2022-11-02 21:13:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:13:50,386 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 [2022-11-02 21:13:50,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:13:50,452 INFO L225 Difference]: With dead ends: 8045 [2022-11-02 21:13:50,452 INFO L226 Difference]: Without dead ends: 8043 [2022-11-02 21:13:50,462 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 [2022-11-02 21:13:50,463 INFO L413 NwaCegarLoop]: 11847 mSDtfsCounter, 11781 mSDsluCounter, 23714 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11797 SdHoareTripleChecker+Valid, 35561 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 [2022-11-02 21:13:50,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11797 Valid, 35561 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:13:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8043 states. [2022-11-02 21:13:51,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8043 to 8041. [2022-11-02 21:13:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8041 states, 5624 states have (on average 1.3438833570412518) internal successors, (7558), 5731 states have internal predecessors, (7558), 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) [2022-11-02 21:13:51,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8041 states to 8041 states and 11869 transitions. [2022-11-02 21:13:51,185 INFO L78 Accepts]: Start accepts. Automaton has 8041 states and 11869 transitions. Word has length 55 [2022-11-02 21:13:51,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:13:51,186 INFO L495 AbstractCegarLoop]: Abstraction has 8041 states and 11869 transitions. [2022-11-02 21:13:51,187 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) [2022-11-02 21:13:51,187 INFO L276 IsEmpty]: Start isEmpty. Operand 8041 states and 11869 transitions. [2022-11-02 21:13:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-02 21:13:51,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:13:51,199 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] [2022-11-02 21:13:51,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:13:51,199 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)] === [2022-11-02 21:13:51,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:51,200 INFO L85 PathProgramCache]: Analyzing trace with hash 129339021, now seen corresponding path program 1 times [2022-11-02 21:13:51,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:51,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70977981] [2022-11-02 21:13:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:51,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:13:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:13:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:13:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:13:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:13:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:13:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:13:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:13:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-02 21:13:53,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:13:53,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70977981] [2022-11-02 21:13:53,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70977981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:13:53,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:13:53,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:13:53,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134010039] [2022-11-02 21:13:53,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:13:53,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:13:53,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:53,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:13:53,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:13:53,780 INFO L87 Difference]: Start difference. First operand 8041 states and 11869 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) [2022-11-02 21:13:54,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:13:54,500 INFO L93 Difference]: Finished difference Result 8047 states and 11874 transitions. [2022-11-02 21:13:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:13:54,501 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 [2022-11-02 21:13:54,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:13:54,555 INFO L225 Difference]: With dead ends: 8047 [2022-11-02 21:13:54,555 INFO L226 Difference]: Without dead ends: 8045 [2022-11-02 21:13:54,564 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 [2022-11-02 21:13:54,565 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11795 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11810 SdHoareTripleChecker+Valid, 35468 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 [2022-11-02 21:13:54,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11810 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:13:54,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8045 states. [2022-11-02 21:13:55,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8045 to 8045. [2022-11-02 21:13:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8045 states, 5627 states have (on average 1.343700017771459) internal successors, (7561), 5734 states have internal predecessors, (7561), 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) [2022-11-02 21:13:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8045 states to 8045 states and 11872 transitions. [2022-11-02 21:13:55,348 INFO L78 Accepts]: Start accepts. Automaton has 8045 states and 11872 transitions. Word has length 60 [2022-11-02 21:13:55,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:13:55,349 INFO L495 AbstractCegarLoop]: Abstraction has 8045 states and 11872 transitions. [2022-11-02 21:13:55,349 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) [2022-11-02 21:13:55,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8045 states and 11872 transitions. [2022-11-02 21:13:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 21:13:55,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:13:55,353 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] [2022-11-02 21:13:55,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:13:55,354 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)] === [2022-11-02 21:13:55,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:55,354 INFO L85 PathProgramCache]: Analyzing trace with hash 800568629, now seen corresponding path program 1 times [2022-11-02 21:13:55,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:55,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51221177] [2022-11-02 21:13:55,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:55,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:13:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:13:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:13:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:13:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:13:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:13:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:13:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:13:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:13:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-02 21:13:57,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:13:57,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51221177] [2022-11-02 21:13:57,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51221177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:13:57,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:13:57,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:13:57,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224627948] [2022-11-02 21:13:57,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:13:57,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:13:57,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:57,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:13:57,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:13:57,545 INFO L87 Difference]: Start difference. First operand 8045 states and 11872 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) [2022-11-02 21:13:58,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:13:58,378 INFO L93 Difference]: Finished difference Result 8051 states and 11877 transitions. [2022-11-02 21:13:58,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:13:58,378 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 [2022-11-02 21:13:58,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:13:58,448 INFO L225 Difference]: With dead ends: 8051 [2022-11-02 21:13:58,448 INFO L226 Difference]: Without dead ends: 8049 [2022-11-02 21:13:58,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:13:58,459 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11795 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11809 SdHoareTripleChecker+Valid, 35468 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 [2022-11-02 21:13:58,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11809 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:13:58,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8049 states. [2022-11-02 21:13:59,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8049 to 8049. [2022-11-02 21:13:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8049 states, 5630 states have (on average 1.3435168738898757) internal successors, (7564), 5737 states have internal predecessors, (7564), 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) [2022-11-02 21:13:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8049 states to 8049 states and 11875 transitions. [2022-11-02 21:13:59,199 INFO L78 Accepts]: Start accepts. Automaton has 8049 states and 11875 transitions. Word has length 65 [2022-11-02 21:13:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:13:59,200 INFO L495 AbstractCegarLoop]: Abstraction has 8049 states and 11875 transitions. [2022-11-02 21:13:59,200 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) [2022-11-02 21:13:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 8049 states and 11875 transitions. [2022-11-02 21:13:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-02 21:13:59,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:13:59,202 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] [2022-11-02 21:13:59,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:13:59,202 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)] === [2022-11-02 21:13:59,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:59,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1343713459, now seen corresponding path program 1 times [2022-11-02 21:13:59,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:59,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500129406] [2022-11-02 21:13:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:59,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:14:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:14:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:14:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 21:14:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-02 21:14:01,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:01,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500129406] [2022-11-02 21:14:01,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500129406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:01,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:01,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:01,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110051944] [2022-11-02 21:14:01,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:01,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:01,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:01,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:01,348 INFO L87 Difference]: Start difference. First operand 8049 states and 11875 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) [2022-11-02 21:14:02,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:02,193 INFO L93 Difference]: Finished difference Result 8478 states and 12485 transitions. [2022-11-02 21:14:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:02,193 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 [2022-11-02 21:14:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:02,235 INFO L225 Difference]: With dead ends: 8478 [2022-11-02 21:14:02,235 INFO L226 Difference]: Without dead ends: 8476 [2022-11-02 21:14:02,240 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 [2022-11-02 21:14:02,241 INFO L413 NwaCegarLoop]: 12363 mSDtfsCounter, 11749 mSDsluCounter, 25351 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11762 SdHoareTripleChecker+Valid, 37714 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 [2022-11-02 21:14:02,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11762 Valid, 37714 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:02,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8476 states. [2022-11-02 21:14:02,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8476 to 8470. [2022-11-02 21:14:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8470 states, 5901 states have (on average 1.339942382647009) internal successors, (7907), 6013 states have internal predecessors, (7907), 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) [2022-11-02 21:14:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8470 states to 8470 states and 12479 transitions. [2022-11-02 21:14:03,035 INFO L78 Accepts]: Start accepts. Automaton has 8470 states and 12479 transitions. Word has length 70 [2022-11-02 21:14:03,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:03,035 INFO L495 AbstractCegarLoop]: Abstraction has 8470 states and 12479 transitions. [2022-11-02 21:14:03,036 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) [2022-11-02 21:14:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 8470 states and 12479 transitions. [2022-11-02 21:14:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-02 21:14:03,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:03,039 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 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] [2022-11-02 21:14:03,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:14:03,039 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)] === [2022-11-02 21:14:03,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2033079437, now seen corresponding path program 1 times [2022-11-02 21:14:03,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:03,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528256043] [2022-11-02 21:14:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:03,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:14:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 21:14:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 21:14:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:14:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:14:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 21:14:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-02 21:14:05,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:05,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528256043] [2022-11-02 21:14:05,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528256043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:05,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:05,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:05,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485574273] [2022-11-02 21:14:05,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:05,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:05,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:05,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:05,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:05,149 INFO L87 Difference]: Start difference. First operand 8470 states and 12479 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, (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) [2022-11-02 21:14:06,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:06,052 INFO L93 Difference]: Finished difference Result 8504 states and 12504 transitions. [2022-11-02 21:14:06,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:06,053 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, (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 88 [2022-11-02 21:14:06,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:06,096 INFO L225 Difference]: With dead ends: 8504 [2022-11-02 21:14:06,096 INFO L226 Difference]: Without dead ends: 8502 [2022-11-02 21:14:06,103 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 [2022-11-02 21:14:06,105 INFO L413 NwaCegarLoop]: 11833 mSDtfsCounter, 11481 mSDsluCounter, 23963 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11493 SdHoareTripleChecker+Valid, 35796 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 [2022-11-02 21:14:06,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11493 Valid, 35796 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:06,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8502 states. [2022-11-02 21:14:06,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8502 to 8500. [2022-11-02 21:14:06,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8500 states, 5922 states have (on average 1.3389057750759878) internal successors, (7929), 6034 states have internal predecessors, (7929), 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) [2022-11-02 21:14:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8500 states to 8500 states and 12501 transitions. [2022-11-02 21:14:06,923 INFO L78 Accepts]: Start accepts. Automaton has 8500 states and 12501 transitions. Word has length 88 [2022-11-02 21:14:06,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:06,925 INFO L495 AbstractCegarLoop]: Abstraction has 8500 states and 12501 transitions. [2022-11-02 21:14:06,925 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, (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) [2022-11-02 21:14:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8500 states and 12501 transitions. [2022-11-02 21:14:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-02 21:14:06,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:06,926 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] [2022-11-02 21:14:06,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:14:06,927 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)] === [2022-11-02 21:14:06,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:06,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1034727411, now seen corresponding path program 1 times [2022-11-02 21:14:06,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:06,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972004268] [2022-11-02 21:14:06,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:06,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:14:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:14:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:14:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 21:14:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:14:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 21:14:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-02 21:14:08,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:08,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972004268] [2022-11-02 21:14:08,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972004268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:08,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:08,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:08,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385281965] [2022-11-02 21:14:08,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:08,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:08,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:08,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:08,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:08,986 INFO L87 Difference]: Start difference. First operand 8500 states and 12501 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) [2022-11-02 21:14:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:09,836 INFO L93 Difference]: Finished difference Result 8506 states and 12506 transitions. [2022-11-02 21:14:09,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:09,837 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 [2022-11-02 21:14:09,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:09,885 INFO L225 Difference]: With dead ends: 8506 [2022-11-02 21:14:09,885 INFO L226 Difference]: Without dead ends: 8504 [2022-11-02 21:14:09,894 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 [2022-11-02 21:14:09,895 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11795 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11806 SdHoareTripleChecker+Valid, 35468 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 [2022-11-02 21:14:09,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11806 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:09,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8504 states. [2022-11-02 21:14:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8504 to 8504. [2022-11-02 21:14:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8504 states, 5925 states have (on average 1.33873417721519) internal successors, (7932), 6037 states have internal predecessors, (7932), 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) [2022-11-02 21:14:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8504 states to 8504 states and 12504 transitions. [2022-11-02 21:14:10,818 INFO L78 Accepts]: Start accepts. Automaton has 8504 states and 12504 transitions. Word has length 80 [2022-11-02 21:14:10,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:10,819 INFO L495 AbstractCegarLoop]: Abstraction has 8504 states and 12504 transitions. [2022-11-02 21:14:10,819 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) [2022-11-02 21:14:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 8504 states and 12504 transitions. [2022-11-02 21:14:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-02 21:14:10,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:10,828 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] [2022-11-02 21:14:10,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:14:10,829 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)] === [2022-11-02 21:14:10,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1049935179, now seen corresponding path program 1 times [2022-11-02 21:14:10,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:10,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891497309] [2022-11-02 21:14:10,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:10,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:14:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:14:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:14:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 21:14:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:14:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 21:14:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 21:14:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-02 21:14:12,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:12,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891497309] [2022-11-02 21:14:12,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891497309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:12,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:12,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:12,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737988293] [2022-11-02 21:14:12,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:12,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:12,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:12,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:12,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:12,622 INFO L87 Difference]: Start difference. First operand 8504 states and 12504 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) [2022-11-02 21:14:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:13,488 INFO L93 Difference]: Finished difference Result 8510 states and 12509 transitions. [2022-11-02 21:14:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:13,489 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 [2022-11-02 21:14:13,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:13,535 INFO L225 Difference]: With dead ends: 8510 [2022-11-02 21:14:13,535 INFO L226 Difference]: Without dead ends: 8508 [2022-11-02 21:14:13,544 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 [2022-11-02 21:14:13,545 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11795 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11805 SdHoareTripleChecker+Valid, 35468 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 [2022-11-02 21:14:13,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11805 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:13,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8508 states. [2022-11-02 21:14:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8508 to 8508. [2022-11-02 21:14:14,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8508 states, 5928 states have (on average 1.3385627530364372) internal successors, (7935), 6040 states have internal predecessors, (7935), 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) [2022-11-02 21:14:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8508 states to 8508 states and 12507 transitions. [2022-11-02 21:14:14,484 INFO L78 Accepts]: Start accepts. Automaton has 8508 states and 12507 transitions. Word has length 85 [2022-11-02 21:14:14,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:14,485 INFO L495 AbstractCegarLoop]: Abstraction has 8508 states and 12507 transitions. [2022-11-02 21:14:14,485 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) [2022-11-02 21:14:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 8508 states and 12507 transitions. [2022-11-02 21:14:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-02 21:14:14,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:14,488 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] [2022-11-02 21:14:14,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:14:14,489 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)] === [2022-11-02 21:14:14,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:14,490 INFO L85 PathProgramCache]: Analyzing trace with hash 335074703, now seen corresponding path program 1 times [2022-11-02 21:14:14,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:14,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213445021] [2022-11-02 21:14:14,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:14,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:14:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 21:14:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 21:14:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:14:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:14:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 21:14:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 21:14:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 21:14:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 21:14:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-02 21:14:16,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:16,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213445021] [2022-11-02 21:14:16,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213445021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:16,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:16,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:16,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578173596] [2022-11-02 21:14:16,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:16,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:16,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:16,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:16,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:16,450 INFO L87 Difference]: Start difference. First operand 8508 states and 12507 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) [2022-11-02 21:14:17,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:17,315 INFO L93 Difference]: Finished difference Result 8514 states and 12512 transitions. [2022-11-02 21:14:17,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:17,316 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 [2022-11-02 21:14:17,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:17,359 INFO L225 Difference]: With dead ends: 8514 [2022-11-02 21:14:17,360 INFO L226 Difference]: Without dead ends: 8512 [2022-11-02 21:14:17,368 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 [2022-11-02 21:14:17,371 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11785 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11794 SdHoareTripleChecker+Valid, 35468 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 [2022-11-02 21:14:17,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11794 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:17,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8512 states. [2022-11-02 21:14:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8512 to 8512. [2022-11-02 21:14:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8512 states, 5931 states have (on average 1.338391502276176) internal successors, (7938), 6043 states have internal predecessors, (7938), 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) [2022-11-02 21:14:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8512 states to 8512 states and 12510 transitions. [2022-11-02 21:14:18,238 INFO L78 Accepts]: Start accepts. Automaton has 8512 states and 12510 transitions. Word has length 103 [2022-11-02 21:14:18,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:18,238 INFO L495 AbstractCegarLoop]: Abstraction has 8512 states and 12510 transitions. [2022-11-02 21:14:18,239 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) [2022-11-02 21:14:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 8512 states and 12510 transitions. [2022-11-02 21:14:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-02 21:14:18,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:18,241 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] [2022-11-02 21:14:18,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:14:18,241 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)] === [2022-11-02 21:14:18,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:18,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2122248717, now seen corresponding path program 1 times [2022-11-02 21:14:18,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:18,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047062411] [2022-11-02 21:14:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:18,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:14:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 21:14:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 21:14:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:14:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:14:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 21:14:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 21:14:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 21:14:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 21:14:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 21:14:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-02 21:14:19,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:19,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047062411] [2022-11-02 21:14:19,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047062411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:19,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:19,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:19,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045476484] [2022-11-02 21:14:19,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:19,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:19,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:19,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:19,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:19,949 INFO L87 Difference]: Start difference. First operand 8512 states and 12510 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) [2022-11-02 21:14:20,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:20,703 INFO L93 Difference]: Finished difference Result 8518 states and 12515 transitions. [2022-11-02 21:14:20,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:20,704 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 [2022-11-02 21:14:20,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:20,750 INFO L225 Difference]: With dead ends: 8518 [2022-11-02 21:14:20,751 INFO L226 Difference]: Without dead ends: 8516 [2022-11-02 21:14:20,760 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 [2022-11-02 21:14:20,761 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11785 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11793 SdHoareTripleChecker+Valid, 35468 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 [2022-11-02 21:14:20,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11793 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:20,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8516 states. [2022-11-02 21:14:21,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8516 to 8516. [2022-11-02 21:14:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8516 states, 5934 states have (on average 1.3382204246713851) internal successors, (7941), 6046 states have internal predecessors, (7941), 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) [2022-11-02 21:14:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8516 states to 8516 states and 12513 transitions. [2022-11-02 21:14:21,667 INFO L78 Accepts]: Start accepts. Automaton has 8516 states and 12513 transitions. Word has length 108 [2022-11-02 21:14:21,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:21,668 INFO L495 AbstractCegarLoop]: Abstraction has 8516 states and 12513 transitions. [2022-11-02 21:14:21,668 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) [2022-11-02 21:14:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 8516 states and 12513 transitions. [2022-11-02 21:14:21,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-02 21:14:21,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:21,679 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] [2022-11-02 21:14:21,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:14:21,680 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)] === [2022-11-02 21:14:21,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:21,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2095215665, now seen corresponding path program 1 times [2022-11-02 21:14:21,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:21,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873877877] [2022-11-02 21:14:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:21,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:14:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 21:14:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 21:14:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:14:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:14:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 21:14:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 21:14:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 21:14:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 21:14:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 21:14:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:14:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-02 21:14:23,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:23,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873877877] [2022-11-02 21:14:23,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873877877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:23,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:23,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:23,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788588443] [2022-11-02 21:14:23,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:23,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:23,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:23,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:23,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:23,877 INFO L87 Difference]: Start difference. First operand 8516 states and 12513 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) [2022-11-02 21:14:24,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:24,656 INFO L93 Difference]: Finished difference Result 8522 states and 12518 transitions. [2022-11-02 21:14:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:24,657 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 [2022-11-02 21:14:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:24,700 INFO L225 Difference]: With dead ends: 8522 [2022-11-02 21:14:24,700 INFO L226 Difference]: Without dead ends: 8520 [2022-11-02 21:14:24,710 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 [2022-11-02 21:14:24,711 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11785 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11792 SdHoareTripleChecker+Valid, 35468 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 [2022-11-02 21:14:24,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11792 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:24,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8520 states. [2022-11-02 21:14:25,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8520 to 8520. [2022-11-02 21:14:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8520 states, 5937 states have (on average 1.3380495199595754) internal successors, (7944), 6049 states have internal predecessors, (7944), 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) [2022-11-02 21:14:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8520 states to 8520 states and 12516 transitions. [2022-11-02 21:14:25,460 INFO L78 Accepts]: Start accepts. Automaton has 8520 states and 12516 transitions. Word has length 113 [2022-11-02 21:14:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:25,461 INFO L495 AbstractCegarLoop]: Abstraction has 8520 states and 12516 transitions. [2022-11-02 21:14:25,461 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) [2022-11-02 21:14:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8520 states and 12516 transitions. [2022-11-02 21:14:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-02 21:14:25,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:25,464 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] [2022-11-02 21:14:25,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:14:25,464 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)] === [2022-11-02 21:14:25,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:25,465 INFO L85 PathProgramCache]: Analyzing trace with hash -731918283, now seen corresponding path program 1 times [2022-11-02 21:14:25,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:25,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158323360] [2022-11-02 21:14:25,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:25,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:14:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:14:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:14:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 21:14:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:14:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 21:14:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 21:14:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:14:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 21:14:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:14:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 21:14:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-02 21:14:27,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:27,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158323360] [2022-11-02 21:14:27,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158323360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:27,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:27,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:27,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825679372] [2022-11-02 21:14:27,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:27,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:27,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:27,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:27,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:27,450 INFO L87 Difference]: Start difference. First operand 8520 states and 12516 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) [2022-11-02 21:14:28,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:28,145 INFO L93 Difference]: Finished difference Result 8526 states and 12521 transitions. [2022-11-02 21:14:28,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:28,146 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 [2022-11-02 21:14:28,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:28,191 INFO L225 Difference]: With dead ends: 8526 [2022-11-02 21:14:28,191 INFO L226 Difference]: Without dead ends: 8524 [2022-11-02 21:14:28,199 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 [2022-11-02 21:14:28,199 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11795 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11801 SdHoareTripleChecker+Valid, 35468 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:14:28,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11801 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8524 states. [2022-11-02 21:14:29,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8524 to 8524. [2022-11-02 21:14:29,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8524 states, 5940 states have (on average 1.337878787878788) internal successors, (7947), 6052 states have internal predecessors, (7947), 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) [2022-11-02 21:14:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8524 states to 8524 states and 12519 transitions. [2022-11-02 21:14:29,155 INFO L78 Accepts]: Start accepts. Automaton has 8524 states and 12519 transitions. Word has length 105 [2022-11-02 21:14:29,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:29,156 INFO L495 AbstractCegarLoop]: Abstraction has 8524 states and 12519 transitions. [2022-11-02 21:14:29,156 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) [2022-11-02 21:14:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 8524 states and 12519 transitions. [2022-11-02 21:14:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-02 21:14:29,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:29,159 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 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] [2022-11-02 21:14:29,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 21:14:29,159 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)] === [2022-11-02 21:14:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:29,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1207247375, now seen corresponding path program 1 times [2022-11-02 21:14:29,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:29,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773778043] [2022-11-02 21:14:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:14:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 21:14:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 21:14:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:14:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:14:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 21:14:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 21:14:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 21:14:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 21:14:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 21:14:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:14:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 21:14:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 21:14:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-11-02 21:14:31,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:31,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773778043] [2022-11-02 21:14:31,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773778043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:31,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:31,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:31,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547621871] [2022-11-02 21:14:31,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:31,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:31,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:31,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:31,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:31,029 INFO L87 Difference]: Start difference. First operand 8524 states and 12519 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, (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) [2022-11-02 21:14:31,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:31,712 INFO L93 Difference]: Finished difference Result 8530 states and 12524 transitions. [2022-11-02 21:14:31,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:31,712 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, (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 123 [2022-11-02 21:14:31,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:31,755 INFO L225 Difference]: With dead ends: 8530 [2022-11-02 21:14:31,755 INFO L226 Difference]: Without dead ends: 8528 [2022-11-02 21:14:31,762 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 [2022-11-02 21:14:31,763 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11785 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11790 SdHoareTripleChecker+Valid, 35468 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:14:31,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11790 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8528 states. [2022-11-02 21:14:32,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8528 to 8528. [2022-11-02 21:14:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8528 states, 5943 states have (on average 1.337708228167592) internal successors, (7950), 6055 states have internal predecessors, (7950), 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) [2022-11-02 21:14:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8528 states to 8528 states and 12522 transitions. [2022-11-02 21:14:32,634 INFO L78 Accepts]: Start accepts. Automaton has 8528 states and 12522 transitions. Word has length 123 [2022-11-02 21:14:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:32,635 INFO L495 AbstractCegarLoop]: Abstraction has 8528 states and 12522 transitions. [2022-11-02 21:14:32,635 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, (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) [2022-11-02 21:14:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 8528 states and 12522 transitions. [2022-11-02 21:14:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-02 21:14:32,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:32,638 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 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] [2022-11-02 21:14:32,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 21:14:32,638 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)] === [2022-11-02 21:14:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:32,639 INFO L85 PathProgramCache]: Analyzing trace with hash -164302733, now seen corresponding path program 1 times [2022-11-02 21:14:32,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:32,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149868961] [2022-11-02 21:14:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:32,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:14:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 21:14:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 21:14:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:14:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:14:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 21:14:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 21:14:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 21:14:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 21:14:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 21:14:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:14:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 21:14:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 21:14:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 21:14:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-11-02 21:14:34,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:34,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149868961] [2022-11-02 21:14:34,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149868961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:34,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:34,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:34,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358710164] [2022-11-02 21:14:34,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:34,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:34,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:34,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:34,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:34,358 INFO L87 Difference]: Start difference. First operand 8528 states and 12522 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, (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) [2022-11-02 21:14:34,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:34,975 INFO L93 Difference]: Finished difference Result 8534 states and 12527 transitions. [2022-11-02 21:14:34,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:34,976 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, (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 128 [2022-11-02 21:14:34,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:35,015 INFO L225 Difference]: With dead ends: 8534 [2022-11-02 21:14:35,015 INFO L226 Difference]: Without dead ends: 8532 [2022-11-02 21:14:35,023 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 [2022-11-02 21:14:35,024 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11785 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11789 SdHoareTripleChecker+Valid, 35468 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:14:35,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11789 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:35,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8532 states. [2022-11-02 21:14:35,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8532 to 8532. [2022-11-02 21:14:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8532 states, 5946 states have (on average 1.3375378405650857) internal successors, (7953), 6058 states have internal predecessors, (7953), 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) [2022-11-02 21:14:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8532 states to 8532 states and 12525 transitions. [2022-11-02 21:14:35,895 INFO L78 Accepts]: Start accepts. Automaton has 8532 states and 12525 transitions. Word has length 128 [2022-11-02 21:14:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:35,895 INFO L495 AbstractCegarLoop]: Abstraction has 8532 states and 12525 transitions. [2022-11-02 21:14:35,895 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, (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) [2022-11-02 21:14:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 8532 states and 12525 transitions. [2022-11-02 21:14:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-02 21:14:35,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:35,897 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] [2022-11-02 21:14:35,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 21:14:35,897 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)] === [2022-11-02 21:14:35,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:35,898 INFO L85 PathProgramCache]: Analyzing trace with hash -529804531, now seen corresponding path program 1 times [2022-11-02 21:14:35,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:35,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024728433] [2022-11-02 21:14:35,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:35,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:14:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:14:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:14:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 21:14:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:14:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 21:14:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 21:14:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:14:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 21:14:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:14:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 21:14:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:14:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 21:14:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 21:14:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-02 21:14:37,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:37,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024728433] [2022-11-02 21:14:37,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024728433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:37,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:37,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:37,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790096720] [2022-11-02 21:14:37,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:37,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:37,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:37,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:37,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:37,542 INFO L87 Difference]: Start difference. First operand 8532 states and 12525 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) [2022-11-02 21:14:38,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:38,197 INFO L93 Difference]: Finished difference Result 8538 states and 12530 transitions. [2022-11-02 21:14:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:38,198 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 [2022-11-02 21:14:38,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:38,232 INFO L225 Difference]: With dead ends: 8538 [2022-11-02 21:14:38,232 INFO L226 Difference]: Without dead ends: 8536 [2022-11-02 21:14:38,239 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 [2022-11-02 21:14:38,240 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11795 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11798 SdHoareTripleChecker+Valid, 35468 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:14:38,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11798 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:38,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8536 states. [2022-11-02 21:14:39,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8536 to 8536. [2022-11-02 21:14:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8536 states, 5949 states have (on average 1.3373676248108926) internal successors, (7956), 6061 states have internal predecessors, (7956), 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) [2022-11-02 21:14:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8536 states to 8536 states and 12528 transitions. [2022-11-02 21:14:39,094 INFO L78 Accepts]: Start accepts. Automaton has 8536 states and 12528 transitions. Word has length 120 [2022-11-02 21:14:39,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:39,094 INFO L495 AbstractCegarLoop]: Abstraction has 8536 states and 12528 transitions. [2022-11-02 21:14:39,094 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) [2022-11-02 21:14:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 8536 states and 12528 transitions. [2022-11-02 21:14:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-02 21:14:39,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:39,097 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] [2022-11-02 21:14:39,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 21:14:39,097 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)] === [2022-11-02 21:14:39,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:39,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1041587637, now seen corresponding path program 1 times [2022-11-02 21:14:39,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:39,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107706660] [2022-11-02 21:14:39,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:14:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:14:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:14:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 21:14:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:14:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 21:14:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 21:14:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:14:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 21:14:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:14:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 21:14:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:14:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 21:14:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 21:14:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:14:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-11-02 21:14:40,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:40,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107706660] [2022-11-02 21:14:40,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107706660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:40,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:40,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:40,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011508775] [2022-11-02 21:14:40,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:40,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:40,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:40,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:40,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:40,754 INFO L87 Difference]: Start difference. First operand 8536 states and 12528 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) [2022-11-02 21:14:41,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:41,441 INFO L93 Difference]: Finished difference Result 8542 states and 12533 transitions. [2022-11-02 21:14:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:41,442 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 [2022-11-02 21:14:41,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:41,475 INFO L225 Difference]: With dead ends: 8542 [2022-11-02 21:14:41,475 INFO L226 Difference]: Without dead ends: 8540 [2022-11-02 21:14:41,483 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 [2022-11-02 21:14:41,484 INFO L413 NwaCegarLoop]: 11831 mSDtfsCounter, 11795 mSDsluCounter, 23637 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11797 SdHoareTripleChecker+Valid, 35468 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:14:41,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11797 Valid, 35468 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:41,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8540 states. [2022-11-02 21:14:42,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8540 to 8540. [2022-11-02 21:14:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8540 states, 5952 states have (on average 1.3371975806451613) internal successors, (7959), 6064 states have internal predecessors, (7959), 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) [2022-11-02 21:14:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8540 states to 8540 states and 12531 transitions. [2022-11-02 21:14:42,369 INFO L78 Accepts]: Start accepts. Automaton has 8540 states and 12531 transitions. Word has length 125 [2022-11-02 21:14:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:42,370 INFO L495 AbstractCegarLoop]: Abstraction has 8540 states and 12531 transitions. [2022-11-02 21:14:42,370 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) [2022-11-02 21:14:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 8540 states and 12531 transitions. [2022-11-02 21:14:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-02 21:14:42,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:42,373 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] [2022-11-02 21:14:42,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 21:14:42,373 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)] === [2022-11-02 21:14:42,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:42,374 INFO L85 PathProgramCache]: Analyzing trace with hash 677179023, now seen corresponding path program 1 times [2022-11-02 21:14:42,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:42,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460957147] [2022-11-02 21:14:42,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:42,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:14:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 21:14:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 21:14:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:14:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:14:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 21:14:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 21:14:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-02 21:14:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 21:14:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 21:14:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:14:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 21:14:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 21:14:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 21:14:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:14:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-02 21:14:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 21:14:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-11-02 21:14:43,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:43,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460957147] [2022-11-02 21:14:43,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460957147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:43,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:43,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:43,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101936527] [2022-11-02 21:14:43,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:43,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:43,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:43,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:43,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:43,981 INFO L87 Difference]: Start difference. First operand 8540 states and 12531 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) [2022-11-02 21:14:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:44,754 INFO L93 Difference]: Finished difference Result 8832 states and 12921 transitions. [2022-11-02 21:14:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:44,755 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 [2022-11-02 21:14:44,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:44,781 INFO L225 Difference]: With dead ends: 8832 [2022-11-02 21:14:44,781 INFO L226 Difference]: Without dead ends: 8828 [2022-11-02 21:14:44,786 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 [2022-11-02 21:14:44,787 INFO L413 NwaCegarLoop]: 11910 mSDtfsCounter, 11546 mSDsluCounter, 24404 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11547 SdHoareTripleChecker+Valid, 36314 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:14:44,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11547 Valid, 36314 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:14:44,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8828 states. [2022-11-02 21:14:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8828 to 8824. [2022-11-02 21:14:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8824 states, 6134 states have (on average 1.3343658298011085) internal successors, (8185), 6246 states have internal predecessors, (8185), 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) [2022-11-02 21:14:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8824 states to 8824 states and 12915 transitions. [2022-11-02 21:14:45,597 INFO L78 Accepts]: Start accepts. Automaton has 8824 states and 12915 transitions. Word has length 143 [2022-11-02 21:14:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:45,598 INFO L495 AbstractCegarLoop]: Abstraction has 8824 states and 12915 transitions. [2022-11-02 21:14:45,598 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) [2022-11-02 21:14:45,598 INFO L276 IsEmpty]: Start isEmpty. Operand 8824 states and 12915 transitions. [2022-11-02 21:14:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-02 21:14:45,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:45,601 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 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] [2022-11-02 21:14:45,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 21:14:45,601 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)] === [2022-11-02 21:14:45,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:45,602 INFO L85 PathProgramCache]: Analyzing trace with hash -877624203, now seen corresponding path program 1 times [2022-11-02 21:14:45,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:45,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727418919] [2022-11-02 21:14:45,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 21:14:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:14:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:14:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 21:14:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:14:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:14:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 21:14:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 21:14:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 21:14:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 21:14:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:14:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 21:14:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:14:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 21:14:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:14:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 21:14:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 21:14:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:14:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 21:14:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 21:14:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2022-11-02 21:14:47,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:47,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727418919] [2022-11-02 21:14:47,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727418919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:47,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:47,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:47,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504570536] [2022-11-02 21:14:47,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:47,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:47,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:47,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:47,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:47,180 INFO L87 Difference]: Start difference. First operand 8824 states and 12915 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, (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) [2022-11-02 21:14:48,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:14:48,006 INFO L93 Difference]: Finished difference Result 8824 states and 12915 transitions. [2022-11-02 21:14:48,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:14:48,006 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, (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 135 [2022-11-02 21:14:48,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:14:48,036 INFO L225 Difference]: With dead ends: 8824 [2022-11-02 21:14:48,036 INFO L226 Difference]: Without dead ends: 8682 [2022-11-02 21:14:48,043 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 [2022-11-02 21:14:48,044 INFO L413 NwaCegarLoop]: 11829 mSDtfsCounter, 11791 mSDsluCounter, 23636 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11791 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:14:48,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11791 Valid, 35465 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:14:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8682 states. [2022-11-02 21:14:48,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8682 to 8682. [2022-11-02 21:14:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8682 states, 6043 states have (on average 1.338077114016217) internal successors, (8086), 6152 states have internal predecessors, (8086), 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) [2022-11-02 21:14:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8682 states to 8682 states and 12753 transitions. [2022-11-02 21:14:48,947 INFO L78 Accepts]: Start accepts. Automaton has 8682 states and 12753 transitions. Word has length 135 [2022-11-02 21:14:48,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:14:48,947 INFO L495 AbstractCegarLoop]: Abstraction has 8682 states and 12753 transitions. [2022-11-02 21:14:48,947 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, (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) [2022-11-02 21:14:48,948 INFO L276 IsEmpty]: Start isEmpty. Operand 8682 states and 12753 transitions. [2022-11-02 21:14:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-02 21:14:48,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:14:48,952 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] [2022-11-02 21:14:48,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 21:14:48,952 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)] === [2022-11-02 21:14:48,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:14:48,953 INFO L85 PathProgramCache]: Analyzing trace with hash -679166517, now seen corresponding path program 1 times [2022-11-02 21:14:48,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:14:48,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152970996] [2022-11-02 21:14:48,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:14:48,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:14:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 21:14:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 21:14:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:50,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 21:14:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:14:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:14:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 21:14:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:14:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:14:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 21:14:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:14:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:14:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:14:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:14:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 21:14:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 21:14:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 21:14:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 21:14:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 21:14:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-02 21:14:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-02 21:14:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 21:14:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-02 21:14:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:14:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 21:14:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 21:14:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-02 21:14:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:14:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-02 21:14:51,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:14:51,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152970996] [2022-11-02 21:14:51,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152970996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:14:51,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:14:51,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:14:51,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731100952] [2022-11-02 21:14:51,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:14:51,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:14:51,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:14:51,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:14:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:14:51,264 INFO L87 Difference]: Start difference. First operand 8682 states and 12753 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 4 states have internal predecessors, (94), 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) [2022-11-02 21:15:11,630 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 []