./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- [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-4e7fbc6 [2022-11-23 03:37:42,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:37:42,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:37:42,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:37:42,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:37:42,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:37:42,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:37:42,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:37:42,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:37:42,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:37:42,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:37:42,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:37:42,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:37:42,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:37:42,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:37:42,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:37:42,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:37:42,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:37:42,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:37:42,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:37:42,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:37:42,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:37:42,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:37:42,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:37:42,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:37:42,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:37:42,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:37:42,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:37:42,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:37:42,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:37:42,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:37:42,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:37:42,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:37:42,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:37:42,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:37:42,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:37:42,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:37:42,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:37:42,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:37:42,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:37:42,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:37:42,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 03:37:42,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:37:42,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:37:42,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:37:42,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:37:42,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:37:42,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:37:42,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:37:42,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:37:42,358 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:37:42,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:37:42,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:37:42,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:37:42,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:37:42,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:37:42,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:37:42,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:37:42,359 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:37:42,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:37:42,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:37:42,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:37:42,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:37:42,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:37:42,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:37:42,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:37:42,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:37:42,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:37:42,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:37:42,362 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:37:42,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:37:42,362 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:37:42,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:37:42,362 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2022-11-23 03:37:42,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:37:42,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:37:42,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:37:42,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:37:42,664 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:37:42,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-11-23 03:37:45,696 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:37:46,445 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:37:46,446 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-11-23 03:37:46,511 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/data/d045986f5/0695944380984456973ccc5970b937fe/FLAG7392b4f6a [2022-11-23 03:37:46,526 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/data/d045986f5/0695944380984456973ccc5970b937fe [2022-11-23 03:37:46,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:37:46,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:37:46,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:37:46,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:37:46,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:37:46,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:46" (1/1) ... [2022-11-23 03:37:46,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71870035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:46, skipping insertion in model container [2022-11-23 03:37:46,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:46" (1/1) ... [2022-11-23 03:37:46,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:37:46,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:37:51,472 WARN L237 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_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-11-23 03:37:51,477 WARN L237 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_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-11-23 03:37:51,477 WARN L237 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_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-11-23 03:37:51,478 WARN L237 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_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-11-23 03:37:51,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:37:51,596 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:37:52,151 WARN L237 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_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2022-11-23 03:37:52,152 WARN L237 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_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2022-11-23 03:37:52,153 WARN L237 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_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2022-11-23 03:37:52,153 WARN L237 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_95f70ab3-f522-4421-90b0-246edecd8465/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2022-11-23 03:37:52,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:37:52,449 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:37:52,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52 WrapperNode [2022-11-23 03:37:52,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:37:52,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:37:52,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:37:52,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:37:52,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:52,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,054 INFO L138 Inliner]: procedures = 567, calls = 5350, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 11739 [2022-11-23 03:37:53,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:37:53,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:37:53,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:37:53,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:37:53,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,581 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:37:53,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:37:53,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:37:53,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:37:53,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (1/1) ... [2022-11-23 03:37:53,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:37:53,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:37:53,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:37:53,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95f70ab3-f522-4421-90b0-246edecd8465/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:37:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-11-23 03:37:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-11-23 03:37:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-11-23 03:37:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-11-23 03:37:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 03:37:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 03:37:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 03:37:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 03:37:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 03:37:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 03:37:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 03:37:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 03:37:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-11-23 03:37:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-11-23 03:37:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-11-23 03:37:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-11-23 03:37:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 03:37:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 03:37:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 03:37:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 03:37:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 03:37:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 03:37:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 03:37:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 03:37:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 03:37:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 03:37:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 03:37:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 03:37:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-23 03:37:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-23 03:37:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-11-23 03:37:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-11-23 03:37:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-23 03:37:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-23 03:37:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 03:37:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 03:37:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-23 03:37:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-23 03:37:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 03:37:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 03:37:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 03:37:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 03:37:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 03:37:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 03:37:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-11-23 03:37:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-11-23 03:37:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 03:37:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 03:37:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-23 03:37:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-23 03:37:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 03:37:53,791 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 03:37:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 03:37:53,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 03:37:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 03:37:53,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 03:37:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 03:37:53,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 03:37:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:37:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-11-23 03:37:53,793 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-11-23 03:37:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2022-11-23 03:37:53,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2022-11-23 03:37:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-11-23 03:37:53,794 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-11-23 03:37:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 03:37:53,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 03:37:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-11-23 03:37:53,794 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-11-23 03:37:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 03:37:53,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 03:37:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-11-23 03:37:53,795 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-11-23 03:37:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-11-23 03:37:53,795 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-11-23 03:37:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-11-23 03:37:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-11-23 03:37:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 03:37:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2022-11-23 03:37:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2022-11-23 03:37:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-11-23 03:37:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-11-23 03:37:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 03:37:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 03:37:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 03:37:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 03:37:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 03:37:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 03:37:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 03:37:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:37:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-23 03:37:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-23 03:37:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 03:37:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 03:37:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 03:37:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 03:37:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 03:37:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 03:37:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 03:37:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 03:37:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 03:37:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 03:37:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-11-23 03:37:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-11-23 03:37:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 03:37:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 03:37:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 03:37:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 03:37:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-11-23 03:37:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-11-23 03:37:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-11-23 03:37:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-11-23 03:37:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 03:37:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 03:37:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 03:37:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 03:37:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 03:37:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 03:37:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 03:37:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 03:37:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 03:37:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 03:37:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 03:37:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:37:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 03:37:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 03:37:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 03:37:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 03:37:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 03:37:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-11-23 03:37:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-11-23 03:37:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-23 03:37:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-23 03:37:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-23 03:37:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-23 03:37:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 03:37:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 03:37:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2022-11-23 03:37:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2022-11-23 03:37:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 03:37:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 03:37:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 03:37:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 03:37:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 03:37:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 03:37:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 03:37:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 03:37:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-11-23 03:37:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-11-23 03:37:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 03:37:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 03:37:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2022-11-23 03:37:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2022-11-23 03:37:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:37:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:37:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-11-23 03:37:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-11-23 03:37:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 03:37:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 03:37:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 03:37:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 03:37:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-23 03:37:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-23 03:37:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 03:37:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 03:37:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 03:37:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 03:37:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-11-23 03:37:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-11-23 03:37:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 03:37:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 03:37:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-11-23 03:37:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-11-23 03:37:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-23 03:37:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-23 03:37:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 03:37:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 03:37:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-11-23 03:37:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-11-23 03:37:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-11-23 03:37:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-11-23 03:37:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 03:37:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 03:37:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-23 03:37:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-23 03:37:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-23 03:37:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-23 03:37:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 03:37:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 03:37:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 03:37:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 03:37:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-11-23 03:37:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-11-23 03:37:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-23 03:37:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-23 03:37:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 03:37:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 03:37:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:37:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-11-23 03:37:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-11-23 03:37:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 03:37:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 03:37:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 03:37:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 03:37:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 03:37:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-23 03:37:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-23 03:37:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-11-23 03:37:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-11-23 03:37:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 03:37:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-11-23 03:37:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-11-23 03:37:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-11-23 03:37:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-11-23 03:37:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-11-23 03:37:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-11-23 03:37:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 03:37:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 03:37:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-23 03:37:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-23 03:37:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-11-23 03:37:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-11-23 03:37:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 03:37:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 03:37:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 03:37:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 03:37:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-11-23 03:37:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-11-23 03:37:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-23 03:37:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-23 03:37:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-11-23 03:37:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-11-23 03:37:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-11-23 03:37:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-11-23 03:37:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 03:37:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 03:37:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 03:37:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 03:37:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 03:37:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 03:37:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2022-11-23 03:37:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2022-11-23 03:37:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 03:37:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 03:37:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 03:37:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 03:37:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:37:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-11-23 03:37:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-11-23 03:37:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 03:37:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 03:37:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2022-11-23 03:37:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2022-11-23 03:37:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-23 03:37:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-23 03:37:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-11-23 03:37:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-11-23 03:37:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 03:37:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 03:37:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-11-23 03:37:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-11-23 03:37:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 03:37:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 03:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 03:37:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 03:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 03:37:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 03:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 03:37:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 03:37:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-23 03:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-23 03:37:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-11-23 03:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-11-23 03:37:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 03:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 03:37:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-11-23 03:37:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-11-23 03:37:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:37:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-11-23 03:37:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-11-23 03:37:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 03:37:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 03:37:55,208 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:37:55,227 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:37:56,854 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 03:38:06,653 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 03:38:06,946 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:38:06,983 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:38:06,984 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-23 03:38:06,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:06 BoogieIcfgContainer [2022-11-23 03:38:06,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:38:06,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:38:06,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:38:06,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:38:06,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:37:46" (1/3) ... [2022-11-23 03:38:06,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce1aef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:06, skipping insertion in model container [2022-11-23 03:38:06,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:52" (2/3) ... [2022-11-23 03:38:07,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce1aef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:06, skipping insertion in model container [2022-11-23 03:38:07,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:06" (3/3) ... [2022-11-23 03:38:07,004 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-11-23 03:38:07,027 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:38:07,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 03:38:07,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:38:07,177 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;@3c932c93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:38:07,178 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 03:38:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 3606 states, 2521 states have (on average 1.3863546211820705) internal successors, (3495), 2623 states have internal predecessors, (3495), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 898 states have call predecessors, (944), 944 states have call successors, (944) [2022-11-23 03:38:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-23 03:38:07,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:38:07,245 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:38:07,246 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)] === [2022-11-23 03:38:07,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:38:07,254 INFO L85 PathProgramCache]: Analyzing trace with hash 2008917191, now seen corresponding path program 1 times [2022-11-23 03:38:07,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:38:07,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965356254] [2022-11-23 03:38:07,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:38:07,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:38:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:38:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:38:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:38:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:38:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:38:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:38:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:38:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:38:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:38:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:38:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:38:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:38:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:38:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:09,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 03:38:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-23 03:38:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-23 03:38:09,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:38:09,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965356254] [2022-11-23 03:38:09,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965356254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:38:09,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:38:09,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:38:09,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724882339] [2022-11-23 03:38:09,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:38:09,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:38:09,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:38:09,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:38:09,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:38:09,154 INFO L87 Difference]: Start difference. First operand has 3606 states, 2521 states have (on average 1.3863546211820705) internal successors, (3495), 2623 states have internal predecessors, (3495), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 898 states have call predecessors, (944), 944 states have call successors, (944) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 03:38:21,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:38:21,538 INFO L93 Difference]: Finished difference Result 10828 states and 16511 transitions. [2022-11-23 03:38:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:38:21,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2022-11-23 03:38:21,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:38:21,623 INFO L225 Difference]: With dead ends: 10828 [2022-11-23 03:38:21,623 INFO L226 Difference]: Without dead ends: 7242 [2022-11-23 03:38:21,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:38:21,676 INFO L413 NwaCegarLoop]: 5083 mSDtfsCounter, 6112 mSDsluCounter, 6389 mSDsCounter, 0 mSdLazyCounter, 4320 mSolverCounterSat, 2367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6972 SdHoareTripleChecker+Valid, 11472 SdHoareTripleChecker+Invalid, 6687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2367 IncrementalHoareTripleChecker+Valid, 4320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-23 03:38:21,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6972 Valid, 11472 Invalid, 6687 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2367 Valid, 4320 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-11-23 03:38:21,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2022-11-23 03:38:22,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 7054. [2022-11-23 03:38:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7054 states, 4951 states have (on average 1.3746717834780853) internal successors, (6806), 5152 states have internal predecessors, (6806), 1840 states have call successors, (1840), 261 states have call predecessors, (1840), 260 states have return successors, (1836), 1744 states have call predecessors, (1836), 1836 states have call successors, (1836) [2022-11-23 03:38:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7054 states to 7054 states and 10482 transitions. [2022-11-23 03:38:22,464 INFO L78 Accepts]: Start accepts. Automaton has 7054 states and 10482 transitions. Word has length 171 [2022-11-23 03:38:22,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:38:22,469 INFO L495 AbstractCegarLoop]: Abstraction has 7054 states and 10482 transitions. [2022-11-23 03:38:22,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 03:38:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 7054 states and 10482 transitions. [2022-11-23 03:38:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-23 03:38:22,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:38:22,481 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:38:22,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:38:22,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 03:38:22,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:38:22,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1084169499, now seen corresponding path program 1 times [2022-11-23 03:38:22,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:38:22,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26816452] [2022-11-23 03:38:22,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:38:22,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:38:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:38:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:38:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:38:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:38:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:38:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:38:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:38:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:38:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:38:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:38:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:38:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:38:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:38:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 03:38:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-23 03:38:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-23 03:38:23,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:38:23,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26816452] [2022-11-23 03:38:23,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26816452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:38:23,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:38:23,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:38:23,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876313149] [2022-11-23 03:38:23,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:38:23,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:38:23,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:38:23,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:38:23,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:38:23,589 INFO L87 Difference]: Start difference. First operand 7054 states and 10482 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 03:38:33,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:38:33,340 INFO L93 Difference]: Finished difference Result 15396 states and 22925 transitions. [2022-11-23 03:38:33,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:38:33,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2022-11-23 03:38:33,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:38:33,392 INFO L225 Difference]: With dead ends: 15396 [2022-11-23 03:38:33,392 INFO L226 Difference]: Without dead ends: 8373 [2022-11-23 03:38:33,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:38:33,423 INFO L413 NwaCegarLoop]: 4822 mSDtfsCounter, 4366 mSDsluCounter, 6331 mSDsCounter, 0 mSdLazyCounter, 4063 mSolverCounterSat, 1930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5012 SdHoareTripleChecker+Valid, 11153 SdHoareTripleChecker+Invalid, 5993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1930 IncrementalHoareTripleChecker+Valid, 4063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:38:33,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5012 Valid, 11153 Invalid, 5993 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1930 Valid, 4063 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-23 03:38:33,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8373 states. [2022-11-23 03:38:33,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8373 to 8127. [2022-11-23 03:38:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8127 states, 5687 states have (on average 1.374362581325831) internal successors, (7816), 5908 states have internal predecessors, (7816), 2126 states have call successors, (2126), 313 states have call predecessors, (2126), 311 states have return successors, (2122), 2019 states have call predecessors, (2122), 2122 states have call successors, (2122) [2022-11-23 03:38:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8127 states to 8127 states and 12064 transitions. [2022-11-23 03:38:33,959 INFO L78 Accepts]: Start accepts. Automaton has 8127 states and 12064 transitions. Word has length 180 [2022-11-23 03:38:33,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:38:33,960 INFO L495 AbstractCegarLoop]: Abstraction has 8127 states and 12064 transitions. [2022-11-23 03:38:33,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 03:38:33,961 INFO L276 IsEmpty]: Start isEmpty. Operand 8127 states and 12064 transitions. [2022-11-23 03:38:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-23 03:38:33,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:38:33,966 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:38:33,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:38:33,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 03:38:33,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:38:33,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1799584970, now seen corresponding path program 1 times [2022-11-23 03:38:33,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:38:33,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444315802] [2022-11-23 03:38:33,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:38:33,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:38:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:38:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:38:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:38:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:38:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:38:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:38:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:38:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:38:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:38:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:38:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:38:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:38:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:38:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 03:38:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-23 03:38:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-23 03:38:34,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:38:34,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444315802] [2022-11-23 03:38:34,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444315802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:38:34,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:38:34,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:38:34,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510410966] [2022-11-23 03:38:34,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:38:34,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:38:34,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:38:34,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:38:34,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:38:34,733 INFO L87 Difference]: Start difference. First operand 8127 states and 12064 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 03:38:45,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:38:45,146 INFO L93 Difference]: Finished difference Result 21390 states and 31820 transitions. [2022-11-23 03:38:45,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:38:45,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 181 [2022-11-23 03:38:45,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:38:45,232 INFO L225 Difference]: With dead ends: 21390 [2022-11-23 03:38:45,233 INFO L226 Difference]: Without dead ends: 13294 [2022-11-23 03:38:45,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:38:45,271 INFO L413 NwaCegarLoop]: 5037 mSDtfsCounter, 5867 mSDsluCounter, 6346 mSDsCounter, 0 mSdLazyCounter, 4306 mSolverCounterSat, 2394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6702 SdHoareTripleChecker+Valid, 11383 SdHoareTripleChecker+Invalid, 6700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2394 IncrementalHoareTripleChecker+Valid, 4306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-23 03:38:45,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6702 Valid, 11383 Invalid, 6700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2394 Valid, 4306 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-11-23 03:38:45,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13294 states. [2022-11-23 03:38:46,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13294 to 12928. [2022-11-23 03:38:46,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12928 states, 9013 states have (on average 1.3742372129146787) internal successors, (12386), 9373 states have internal predecessors, (12386), 3404 states have call successors, (3404), 506 states have call predecessors, (3404), 508 states have return successors, (3417), 3222 states have call predecessors, (3417), 3400 states have call successors, (3417) [2022-11-23 03:38:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12928 states to 12928 states and 19207 transitions. [2022-11-23 03:38:46,120 INFO L78 Accepts]: Start accepts. Automaton has 12928 states and 19207 transitions. Word has length 181 [2022-11-23 03:38:46,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:38:46,122 INFO L495 AbstractCegarLoop]: Abstraction has 12928 states and 19207 transitions. [2022-11-23 03:38:46,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-23 03:38:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12928 states and 19207 transitions. [2022-11-23 03:38:46,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-23 03:38:46,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:38:46,127 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:38:46,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:38:46,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 03:38:46,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:38:46,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1594211393, now seen corresponding path program 1 times [2022-11-23 03:38:46,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:38:46,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113031507] [2022-11-23 03:38:46,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:38:46,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:38:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:46,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:38:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:46,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:38:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:46,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:38:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:46,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:38:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:38:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:38:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:38:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:38:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:38:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:38:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:38:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:38:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:38:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:38:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 03:38:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 03:38:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-23 03:38:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:38:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-23 03:38:47,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:38:47,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113031507] [2022-11-23 03:38:47,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113031507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:38:47,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:38:47,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:38:47,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693674616] [2022-11-23 03:38:47,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:38:47,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:38:47,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:38:47,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:38:47,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:38:47,170 INFO L87 Difference]: Start difference. First operand 12928 states and 19207 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-23 03:39:07,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:39:07,233 INFO L93 Difference]: Finished difference Result 48131 states and 71522 transitions. [2022-11-23 03:39:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:39:07,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2022-11-23 03:39:07,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:39:07,425 INFO L225 Difference]: With dead ends: 48131 [2022-11-23 03:39:07,425 INFO L226 Difference]: Without dead ends: 35234 [2022-11-23 03:39:07,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:39:07,489 INFO L413 NwaCegarLoop]: 5673 mSDtfsCounter, 14320 mSDsluCounter, 12083 mSDsCounter, 0 mSdLazyCounter, 12141 mSolverCounterSat, 5977 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15861 SdHoareTripleChecker+Valid, 17756 SdHoareTripleChecker+Invalid, 18118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5977 IncrementalHoareTripleChecker+Valid, 12141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:39:07,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15861 Valid, 17756 Invalid, 18118 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5977 Valid, 12141 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-11-23 03:39:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35234 states. [2022-11-23 03:39:10,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35234 to 34216. [2022-11-23 03:39:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34216 states, 23887 states have (on average 1.3735504667810943) internal successors, (32810), 24875 states have internal predecessors, (32810), 8959 states have call successors, (8959), 1359 states have call predecessors, (8959), 1367 states have return successors, (9006), 8452 states have call predecessors, (9006), 8955 states have call successors, (9006) [2022-11-23 03:39:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34216 states to 34216 states and 50775 transitions. [2022-11-23 03:39:10,661 INFO L78 Accepts]: Start accepts. Automaton has 34216 states and 50775 transitions. Word has length 188 [2022-11-23 03:39:10,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:39:10,662 INFO L495 AbstractCegarLoop]: Abstraction has 34216 states and 50775 transitions. [2022-11-23 03:39:10,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-23 03:39:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 34216 states and 50775 transitions. [2022-11-23 03:39:10,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-23 03:39:10,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:39:10,668 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:39:10,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:39:10,668 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 03:39:10,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:39:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash -273441410, now seen corresponding path program 1 times [2022-11-23 03:39:10,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:39:10,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138063826] [2022-11-23 03:39:10,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:39:10,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:39:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:39:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:39:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:39:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:39:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:39:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:39:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:39:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:39:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:39:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:39:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:39:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:39:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:39:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 03:39:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-23 03:39:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-23 03:39:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-23 03:39:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 03:39:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:39:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-23 03:39:11,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:39:11,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138063826] [2022-11-23 03:39:11,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138063826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:39:11,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:39:11,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:39:11,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578451701] [2022-11-23 03:39:11,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:39:11,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:39:11,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:39:11,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:39:11,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:39:11,640 INFO L87 Difference]: Start difference. First operand 34216 states and 50775 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-23 03:39:22,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:39:22,447 INFO L93 Difference]: Finished difference Result 99261 states and 147319 transitions. [2022-11-23 03:39:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:39:22,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2022-11-23 03:39:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:39:22,938 INFO L225 Difference]: With dead ends: 99261 [2022-11-23 03:39:22,938 INFO L226 Difference]: Without dead ends: 65076 [2022-11-23 03:39:23,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:39:23,068 INFO L413 NwaCegarLoop]: 5512 mSDtfsCounter, 6077 mSDsluCounter, 6713 mSDsCounter, 0 mSdLazyCounter, 4361 mSolverCounterSat, 2322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6929 SdHoareTripleChecker+Valid, 12225 SdHoareTripleChecker+Invalid, 6683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2322 IncrementalHoareTripleChecker+Valid, 4361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-23 03:39:23,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6929 Valid, 12225 Invalid, 6683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2322 Valid, 4361 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-23 03:39:23,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65076 states. [2022-11-23 03:39:27,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65076 to 63233. [2022-11-23 03:39:27,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63233 states, 44176 states have (on average 1.3708348424483883) internal successors, (60558), 46011 states have internal predecessors, (60558), 16485 states have call successors, (16485), 2579 states have call predecessors, (16485), 2569 states have return successors, (16586), 15505 states have call predecessors, (16586), 16481 states have call successors, (16586) [2022-11-23 03:39:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63233 states to 63233 states and 93629 transitions. [2022-11-23 03:39:27,952 INFO L78 Accepts]: Start accepts. Automaton has 63233 states and 93629 transitions. Word has length 196 [2022-11-23 03:39:27,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:39:27,953 INFO L495 AbstractCegarLoop]: Abstraction has 63233 states and 93629 transitions. [2022-11-23 03:39:27,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-23 03:39:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 63233 states and 93629 transitions. [2022-11-23 03:39:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-23 03:39:27,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:39:27,957 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:39:27,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:39:27,958 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 03:39:27,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:39:27,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1971826101, now seen corresponding path program 1 times [2022-11-23 03:39:27,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:39:27,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549547743] [2022-11-23 03:39:27,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:39:27,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:39:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:39:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:39:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:39:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:39:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:39:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:39:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:39:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:39:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:39:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:39:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:39:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:39:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:39:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 03:39:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-23 03:39:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:39:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 03:39:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-23 03:39:28,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:39:28,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549547743] [2022-11-23 03:39:28,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549547743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:39:28,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:39:28,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:39:28,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258060540] [2022-11-23 03:39:28,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:39:28,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:39:28,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:39:28,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:39:28,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:39:28,815 INFO L87 Difference]: Start difference. First operand 63233 states and 93629 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 03:39:42,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:39:42,121 INFO L93 Difference]: Finished difference Result 192000 states and 284700 transitions. [2022-11-23 03:39:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:39:42,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-11-23 03:39:42,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:39:42,967 INFO L225 Difference]: With dead ends: 192000 [2022-11-23 03:39:42,983 INFO L226 Difference]: Without dead ends: 128798 [2022-11-23 03:39:43,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:39:43,189 INFO L413 NwaCegarLoop]: 5089 mSDtfsCounter, 6138 mSDsluCounter, 6408 mSDsCounter, 0 mSdLazyCounter, 4313 mSolverCounterSat, 2427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7000 SdHoareTripleChecker+Valid, 11497 SdHoareTripleChecker+Invalid, 6740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2427 IncrementalHoareTripleChecker+Valid, 4313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:39:43,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7000 Valid, 11497 Invalid, 6740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2427 Valid, 4313 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-11-23 03:39:43,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128798 states. [2022-11-23 03:39:49,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128798 to 125141. [2022-11-23 03:39:49,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125141 states, 87466 states have (on average 1.3708869732238813) internal successors, (119906), 91135 states have internal predecessors, (119906), 32585 states have call successors, (32585), 5106 states have call predecessors, (32585), 5087 states have return successors, (32788), 30619 states have call predecessors, (32788), 32581 states have call successors, (32788) [2022-11-23 03:39:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125141 states to 125141 states and 185279 transitions. [2022-11-23 03:39:50,598 INFO L78 Accepts]: Start accepts. Automaton has 125141 states and 185279 transitions. Word has length 194 [2022-11-23 03:39:50,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:39:50,603 INFO L495 AbstractCegarLoop]: Abstraction has 125141 states and 185279 transitions. [2022-11-23 03:39:50,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 03:39:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 125141 states and 185279 transitions. [2022-11-23 03:39:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-23 03:39:50,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:39:50,609 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:39:50,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:39:50,609 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 03:39:50,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:39:50,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1065614239, now seen corresponding path program 1 times [2022-11-23 03:39:50,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:39:50,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204124950] [2022-11-23 03:39:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:39:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:39:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:39:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:39:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:39:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:39:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:39:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:39:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:39:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:39:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:39:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:39:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 03:39:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 03:39:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-23 03:39:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:39:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 03:39:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-23 03:39:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:39:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 03:39:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:39:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-23 03:39:51,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:39:51,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204124950] [2022-11-23 03:39:51,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204124950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:39:51,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:39:51,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:39:51,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830931399] [2022-11-23 03:39:51,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:39:51,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:39:51,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:39:51,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:39:51,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:39:51,821 INFO L87 Difference]: Start difference. First operand 125141 states and 185279 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 03:40:09,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:40:09,852 INFO L93 Difference]: Finished difference Result 373279 states and 555108 transitions. [2022-11-23 03:40:09,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:40:09,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-11-23 03:40:09,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted.