./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-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF --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 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:34:29,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:34:29,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:34:29,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:34:29,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:34:29,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:34:29,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:34:29,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:34:29,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:34:29,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:34:29,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:34:29,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:34:29,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:34:29,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:34:29,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:34:29,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:34:29,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:34:29,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:34:29,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:34:29,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:34:29,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:34:29,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:34:29,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:34:29,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:34:29,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:34:29,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:34:29,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:34:29,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:34:29,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:34:29,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:34:29,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:34:29,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:34:29,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:34:29,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:34:29,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:34:29,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:34:29,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:34:29,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:34:29,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:34:29,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:34:29,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:34:29,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:34:29,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:34:29,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:34:29,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:34:29,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:34:29,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:34:29,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:34:29,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:34:29,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:34:29,352 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:34:29,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:34:29,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:34:29,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:34:29,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:34:29,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:34:29,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:34:29,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:34:29,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:34:29,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:34:29,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:34:29,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:34:29,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:34:29,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:34:29,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:34:29,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:34:29,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:34:29,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:34:29,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:34:29,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:34:29,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:34:29,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:34:29,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:34:29,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-11-20 06:34:29,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:34:29,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:34:29,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:34:29,708 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:34:29,709 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:34:29,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-20 06:34:29,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/data/a3933f72f/216c0b4fa0ba498686e3953fd39714bf/FLAG06a7bf42f [2021-11-20 06:34:30,851 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:34:30,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-20 06:34:30,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/data/a3933f72f/216c0b4fa0ba498686e3953fd39714bf/FLAG06a7bf42f [2021-11-20 06:34:31,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/data/a3933f72f/216c0b4fa0ba498686e3953fd39714bf [2021-11-20 06:34:31,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:34:31,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:34:31,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:34:31,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:34:31,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:34:31,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:34:31" (1/1) ... [2021-11-20 06:34:31,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32603d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:31, skipping insertion in model container [2021-11-20 06:34:31,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:34:31" (1/1) ... [2021-11-20 06:34:31,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:34:31,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:34:37,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-20 06:34:37,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-20 06:34:37,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-20 06:34:37,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-20 06:34:37,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:34:37,375 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:34:37,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-11-20 06:34:37,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-11-20 06:34:37,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-11-20 06:34:37,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-11-20 06:34:37,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:34:38,355 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:34:38,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38 WrapperNode [2021-11-20 06:34:38,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:34:38,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:34:38,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:34:38,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:34:38,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:38,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:38,999 INFO L137 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8524 [2021-11-20 06:34:39,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:34:39,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:34:39,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:34:39,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:34:39,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:39,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:39,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:39,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:39,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:39,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:39,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:39,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:34:39,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:34:39,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:34:39,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:34:39,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (1/1) ... [2021-11-20 06:34:39,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:34:39,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:34:39,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:34:39,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449b7011-9835-4a01-abbe-6c8ed4fd4840/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:34:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-20 06:34:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-20 06:34:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:34:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:34:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-20 06:34:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-20 06:34:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-20 06:34:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-20 06:34:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:34:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:34:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-11-20 06:34:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-11-20 06:34:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-11-20 06:34:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-11-20 06:34:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-20 06:34:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-20 06:34:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-11-20 06:34:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-11-20 06:34:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-11-20 06:34:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-11-20 06:34:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 06:34:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 06:34:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-20 06:34:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-20 06:34:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-11-20 06:34:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-11-20 06:34:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 06:34:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 06:34:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 06:34:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 06:34:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-11-20 06:34:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-11-20 06:34:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-11-20 06:34:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-11-20 06:34:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-11-20 06:34:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-11-20 06:34:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:34:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:34:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-11-20 06:34:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-11-20 06:34:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-11-20 06:34:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-11-20 06:34:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 06:34:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 06:34:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 06:34:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 06:34:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 06:34:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 06:34:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 06:34:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 06:34:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-11-20 06:34:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-11-20 06:34:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-11-20 06:34:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-11-20 06:34:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:34:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:34:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-11-20 06:34:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-11-20 06:34:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-20 06:34:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-20 06:34:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:34:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 06:34:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 06:34:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-11-20 06:34:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-11-20 06:34:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-11-20 06:34:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-11-20 06:34:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 06:34:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 06:34:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-20 06:34:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-20 06:34:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-11-20 06:34:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-11-20 06:34:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-20 06:34:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-11-20 06:34:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-11-20 06:34:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 06:34:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 06:34:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:34:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:34:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:34:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-11-20 06:34:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-11-20 06:34:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-11-20 06:34:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-11-20 06:34:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 06:34:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 06:34:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-11-20 06:34:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-11-20 06:34:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 06:34:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 06:34:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:34:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-11-20 06:34:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-11-20 06:34:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 06:34:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 06:34:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:34:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 06:34:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 06:34:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:34:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:34:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 06:34:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 06:34:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-11-20 06:34:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-11-20 06:34:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-11-20 06:34:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-11-20 06:34:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 06:34:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 06:34:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 06:34:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 06:34:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-11-20 06:34:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-11-20 06:34:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-11-20 06:34:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-11-20 06:34:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 06:34:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 06:34:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 06:34:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 06:34:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:34:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 06:34:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 06:34:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-20 06:34:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-20 06:34:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-20 06:34:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-20 06:34:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-11-20 06:34:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-11-20 06:34:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-20 06:34:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-20 06:34:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-11-20 06:34:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-11-20 06:34:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:34:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 06:34:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 06:34:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 06:34:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 06:34:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 06:34:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 06:34:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:34:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 06:34:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-11-20 06:34:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-11-20 06:34:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-11-20 06:34:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-11-20 06:34:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-11-20 06:34:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-11-20 06:34:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:34:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:34:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:34:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:34:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-11-20 06:34:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-11-20 06:34:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-11-20 06:34:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-11-20 06:34:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-11-20 06:34:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-11-20 06:34:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-11-20 06:34:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-11-20 06:34:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-11-20 06:34:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-11-20 06:34:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-20 06:34:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-20 06:34:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 06:34:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 06:34:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 06:34:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 06:34:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:34:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:34:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-11-20 06:34:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-11-20 06:34:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 06:34:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 06:34:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-20 06:34:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-20 06:34:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-11-20 06:34:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-11-20 06:34:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 06:34:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 06:34:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-11-20 06:34:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-11-20 06:34:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:34:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:34:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 06:34:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 06:34:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-20 06:34:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-20 06:34:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:34:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:34:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:34:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:34:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-20 06:34:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-20 06:34:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 06:34:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 06:34:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 06:34:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 06:34:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 06:34:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 06:34:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 06:34:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 06:34:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 06:34:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-11-20 06:34:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-11-20 06:34:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 06:34:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 06:34:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 06:34:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 06:34:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-11-20 06:34:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-11-20 06:34:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 06:34:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 06:34:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-20 06:34:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-20 06:34:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-11-20 06:34:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-11-20 06:34:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:34:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:34:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-11-20 06:34:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-11-20 06:34:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-11-20 06:34:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-11-20 06:34:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 06:34:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 06:34:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 06:34:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 06:34:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 06:34:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 06:34:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-20 06:34:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-20 06:34:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-20 06:34:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-20 06:34:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 06:34:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 06:34:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:34:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:34:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:34:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-11-20 06:34:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-11-20 06:34:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-11-20 06:34:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-11-20 06:34:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-20 06:34:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-20 06:34:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-11-20 06:34:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-11-20 06:34:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 06:34:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 06:34:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:34:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-20 06:34:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-20 06:34:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:34:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-11-20 06:34:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-11-20 06:34:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 06:34:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 06:34:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 06:34:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 06:34:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-11-20 06:34:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-11-20 06:34:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-20 06:34:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-20 06:34:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 06:34:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 06:34:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 06:34:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 06:34:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-20 06:34:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-20 06:34:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 06:34:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 06:34:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 06:34:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 06:34:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-20 06:34:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-20 06:34:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-11-20 06:34:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-11-20 06:34:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-20 06:34:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-20 06:34:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 06:34:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 06:34:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 06:34:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 06:34:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-11-20 06:34:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-11-20 06:34:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-11-20 06:34:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-11-20 06:34:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:34:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:34:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-11-20 06:34:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-11-20 06:34:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:34:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:34:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-11-20 06:34:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-11-20 06:34:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:34:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:34:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:34:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-11-20 06:34:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-11-20 06:34:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 06:34:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 06:34:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-11-20 06:34:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-11-20 06:34:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-11-20 06:34:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-11-20 06:34:39,628 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-11-20 06:34:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-11-20 06:34:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 06:34:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 06:34:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-11-20 06:34:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-11-20 06:34:39,629 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 06:34:39,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 06:34:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-20 06:34:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-20 06:34:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-11-20 06:34:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-11-20 06:34:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-11-20 06:34:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-11-20 06:34:39,630 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-11-20 06:34:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-11-20 06:34:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-11-20 06:34:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-11-20 06:34:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-11-20 06:34:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-11-20 06:34:39,631 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-11-20 06:34:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-11-20 06:34:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-20 06:34:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-20 06:34:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 06:34:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 06:34:39,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 06:34:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 06:34:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 06:34:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 06:34:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-20 06:34:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-20 06:34:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-11-20 06:34:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-11-20 06:34:39,633 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-11-20 06:34:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-11-20 06:34:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-20 06:34:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-20 06:34:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:34:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:34:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-20 06:34:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-20 06:34:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 06:34:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 06:34:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:34:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 06:34:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 06:34:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-20 06:34:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-20 06:34:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-11-20 06:34:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-11-20 06:34:40,753 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:34:40,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:34:40,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:34:51,843 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 06:34:52,101 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:34:52,136 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:34:52,136 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-20 06:34:52,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:34:52 BoogieIcfgContainer [2021-11-20 06:34:52,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:34:52,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:34:52,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:34:52,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:34:52,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:34:31" (1/3) ... [2021-11-20 06:34:52,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5db702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:34:52, skipping insertion in model container [2021-11-20 06:34:52,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:38" (2/3) ... [2021-11-20 06:34:52,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5db702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:34:52, skipping insertion in model container [2021-11-20 06:34:52,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:34:52" (3/3) ... [2021-11-20 06:34:52,157 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-20 06:34:52,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:34:52,165 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 06:34:52,243 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:34:52,254 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:34:52,257 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 06:34:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2021-11-20 06:34:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-20 06:34:52,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:34:52,403 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:34:52,404 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 06:34:52,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:34:52,410 INFO L85 PathProgramCache]: Analyzing trace with hash -653031862, now seen corresponding path program 1 times [2021-11-20 06:34:52,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:34:52,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436715249] [2021-11-20 06:34:52,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:34:52,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:34:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:34:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:34:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:34:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:34:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:34:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:34:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:34:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:34:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:34:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:34:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:34:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:34:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:34:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:34:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:34:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:34:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:34:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:34:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-20 06:34:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:34:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-20 06:34:54,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:34:54,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436715249] [2021-11-20 06:34:54,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436715249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:34:54,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:34:54,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:34:54,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14344426] [2021-11-20 06:34:54,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:34:54,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:34:54,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:34:54,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:34:54,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:34:54,136 INFO L87 Difference]: Start difference. First operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 06:35:04,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:04,424 INFO L93 Difference]: Finished difference Result 9267 states and 13426 transitions. [2021-11-20 06:35:04,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:35:04,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2021-11-20 06:35:04,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:35:04,531 INFO L225 Difference]: With dead ends: 9267 [2021-11-20 06:35:04,531 INFO L226 Difference]: Without dead ends: 6180 [2021-11-20 06:35:04,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:35:04,575 INFO L933 BasicCegarLoop]: 4339 mSDtfsCounter, 5382 mSDsluCounter, 4459 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 2790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6130 SdHoareTripleChecker+Valid, 8798 SdHoareTripleChecker+Invalid, 5848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2790 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:35:04,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6130 Valid, 8798 Invalid, 5848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2790 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-11-20 06:35:04,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-11-20 06:35:05,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5962. [2021-11-20 06:35:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 3992 states have (on average 1.2567635270541082) internal successors, (5017), 4073 states have internal predecessors, (5017), 1639 states have call successors, (1639), 329 states have call predecessors, (1639), 328 states have return successors, (1635), 1613 states have call predecessors, (1635), 1635 states have call successors, (1635) [2021-11-20 06:35:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2021-11-20 06:35:05,293 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2021-11-20 06:35:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:35:05,299 INFO L470 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2021-11-20 06:35:05,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 06:35:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2021-11-20 06:35:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-20 06:35:05,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:35:05,312 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:05,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:35:05,313 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 06:35:05,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:05,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1601171312, now seen corresponding path program 1 times [2021-11-20 06:35:05,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:05,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897939738] [2021-11-20 06:35:05,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:05,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:35:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:35:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:35:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:35:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:35:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:35:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:35:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:35:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:35:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:05,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:35:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:35:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:35:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:35:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:35:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:35:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:35:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:35:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:35:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:06,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-20 06:35:06,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:06,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897939738] [2021-11-20 06:35:06,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897939738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:35:06,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:35:06,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:35:06,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558641569] [2021-11-20 06:35:06,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:35:06,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:35:06,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:06,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:35:06,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:35:06,212 INFO L87 Difference]: Start difference. First operand 5962 states and 8291 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 06:35:24,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:24,467 INFO L93 Difference]: Finished difference Result 22273 states and 31103 transitions. [2021-11-20 06:35:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:35:24,468 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 206 [2021-11-20 06:35:24,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:35:24,635 INFO L225 Difference]: With dead ends: 22273 [2021-11-20 06:35:24,636 INFO L226 Difference]: Without dead ends: 16348 [2021-11-20 06:35:24,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:35:24,678 INFO L933 BasicCegarLoop]: 4662 mSDtfsCounter, 9533 mSDsluCounter, 8379 mSDsCounter, 0 mSdLazyCounter, 10554 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10804 SdHoareTripleChecker+Valid, 13041 SdHoareTripleChecker+Invalid, 14907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 10554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:35:24,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10804 Valid, 13041 Invalid, 14907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4353 Valid, 10554 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2021-11-20 06:35:24,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-11-20 06:35:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 15636. [2021-11-20 06:35:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15636 states, 10382 states have (on average 1.2547678674629166) internal successors, (13027), 10605 states have internal predecessors, (13027), 4295 states have call successors, (4295), 957 states have call predecessors, (4295), 956 states have return successors, (4307), 4209 states have call predecessors, (4307), 4291 states have call successors, (4307) [2021-11-20 06:35:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15636 states to 15636 states and 21629 transitions. [2021-11-20 06:35:25,929 INFO L78 Accepts]: Start accepts. Automaton has 15636 states and 21629 transitions. Word has length 206 [2021-11-20 06:35:25,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:35:25,930 INFO L470 AbstractCegarLoop]: Abstraction has 15636 states and 21629 transitions. [2021-11-20 06:35:25,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 06:35:25,930 INFO L276 IsEmpty]: Start isEmpty. Operand 15636 states and 21629 transitions. [2021-11-20 06:35:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-20 06:35:25,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:35:25,936 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:25,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:35:25,937 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 06:35:25,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash 978146363, now seen corresponding path program 1 times [2021-11-20 06:35:25,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:25,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138393856] [2021-11-20 06:35:25,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:25,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:35:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:35:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:35:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:35:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:35:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:35:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:35:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:35:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:35:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:35:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:35:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:35:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:35:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:35:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:35:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:35:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:35:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 06:35:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 06:35:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-20 06:35:26,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:26,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138393856] [2021-11-20 06:35:26,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138393856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:35:26,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:35:26,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:35:26,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850417796] [2021-11-20 06:35:26,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:35:26,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:35:26,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:26,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:35:26,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:35:26,875 INFO L87 Difference]: Start difference. First operand 15636 states and 21629 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 06:35:35,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:35,426 INFO L93 Difference]: Finished difference Result 47978 states and 67201 transitions. [2021-11-20 06:35:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:35:35,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 216 [2021-11-20 06:35:35,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:35:35,778 INFO L225 Difference]: With dead ends: 47978 [2021-11-20 06:35:35,778 INFO L226 Difference]: Without dead ends: 32379 [2021-11-20 06:35:35,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:35:35,881 INFO L933 BasicCegarLoop]: 4481 mSDtfsCounter, 5378 mSDsluCounter, 4578 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6099 SdHoareTripleChecker+Valid, 9059 SdHoareTripleChecker+Invalid, 5862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2813 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:35:35,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6099 Valid, 9059 Invalid, 5862 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2813 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-11-20 06:35:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32379 states. [2021-11-20 06:35:37,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32379 to 32237. [2021-11-20 06:35:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32237 states, 21571 states have (on average 1.2574289555421632) internal successors, (27124), 22081 states have internal predecessors, (27124), 8662 states have call successors, (8662), 1906 states have call predecessors, (8662), 2001 states have return successors, (9594), 8557 states have call predecessors, (9594), 8658 states have call successors, (9594) [2021-11-20 06:35:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45380 transitions. [2021-11-20 06:35:38,123 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45380 transitions. Word has length 216 [2021-11-20 06:35:38,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:35:38,125 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45380 transitions. [2021-11-20 06:35:38,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 06:35:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45380 transitions. [2021-11-20 06:35:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-20 06:35:38,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:35:38,134 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:38,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:35:38,135 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 06:35:38,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:38,136 INFO L85 PathProgramCache]: Analyzing trace with hash 22260385, now seen corresponding path program 1 times [2021-11-20 06:35:38,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:38,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070560862] [2021-11-20 06:35:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:38,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:35:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:35:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:35:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:35:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:35:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:35:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:35:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:35:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:35:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:35:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:35:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:35:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:35:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:35:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:35:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:35:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:35:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 06:35:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:35:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:39,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-20 06:35:39,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:39,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070560862] [2021-11-20 06:35:39,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070560862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:35:39,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:35:39,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:35:39,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477824320] [2021-11-20 06:35:39,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:35:39,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:35:39,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:39,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:35:39,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:35:39,140 INFO L87 Difference]: Start difference. First operand 32237 states and 45380 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 06:35:48,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:48,665 INFO L93 Difference]: Finished difference Result 96383 states and 136618 transitions. [2021-11-20 06:35:48,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:35:48,671 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 217 [2021-11-20 06:35:48,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:35:49,081 INFO L225 Difference]: With dead ends: 96383 [2021-11-20 06:35:49,082 INFO L226 Difference]: Without dead ends: 64183 [2021-11-20 06:35:49,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:35:49,415 INFO L933 BasicCegarLoop]: 4953 mSDtfsCounter, 5365 mSDsluCounter, 4972 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6087 SdHoareTripleChecker+Valid, 9925 SdHoareTripleChecker+Invalid, 5788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2739 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:35:49,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6087 Valid, 9925 Invalid, 5788 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2739 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-11-20 06:35:49,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64183 states. [2021-11-20 06:35:52,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64183 to 63919. [2021-11-20 06:35:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63919 states, 42809 states have (on average 1.2575860216309656) internal successors, (53836), 43829 states have internal predecessors, (53836), 17160 states have call successors, (17160), 3780 states have call predecessors, (17160), 3947 states have return successors, (19848), 16927 states have call predecessors, (19848), 17156 states have call successors, (19848) [2021-11-20 06:35:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63919 states to 63919 states and 90844 transitions. [2021-11-20 06:35:53,694 INFO L78 Accepts]: Start accepts. Automaton has 63919 states and 90844 transitions. Word has length 217 [2021-11-20 06:35:53,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:35:53,695 INFO L470 AbstractCegarLoop]: Abstraction has 63919 states and 90844 transitions. [2021-11-20 06:35:53,695 INFO L471 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 06:35:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 63919 states and 90844 transitions. [2021-11-20 06:35:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-20 06:35:53,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:35:53,701 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:53,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:35:53,702 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 06:35:53,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:53,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1818648166, now seen corresponding path program 1 times [2021-11-20 06:35:53,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:53,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516639761] [2021-11-20 06:35:53,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:53,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:35:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:35:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:35:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:35:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:35:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:35:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:35:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:35:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:35:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:35:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:35:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:35:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:35:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:35:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:35:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:35:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:35:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:35:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-20 06:35:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-20 06:35:54,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:54,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516639761] [2021-11-20 06:35:54,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516639761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:35:54,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:35:54,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:35:54,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461538452] [2021-11-20 06:35:54,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:35:54,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:35:54,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:54,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:35:54,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:35:54,595 INFO L87 Difference]: Start difference. First operand 63919 states and 90844 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 06:36:03,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:36:03,624 INFO L93 Difference]: Finished difference Result 130302 states and 184782 transitions. [2021-11-20 06:36:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:36:03,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 215 [2021-11-20 06:36:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:36:04,236 INFO L225 Difference]: With dead ends: 130302 [2021-11-20 06:36:04,236 INFO L226 Difference]: Without dead ends: 66420 [2021-11-20 06:36:04,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:36:04,511 INFO L933 BasicCegarLoop]: 5283 mSDtfsCounter, 4515 mSDsluCounter, 4947 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 2431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5159 SdHoareTripleChecker+Valid, 10230 SdHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2431 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:36:04,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5159 Valid, 10230 Invalid, 5438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2431 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-11-20 06:36:04,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66420 states. [2021-11-20 06:36:07,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66420 to 66133. [2021-11-20 06:36:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66133 states, 44180 states have (on average 1.2464010864644635) internal successors, (55066), 45265 states have internal predecessors, (55066), 17672 states have call successors, (17672), 4089 states have call predecessors, (17672), 4278 states have return successors, (20592), 17405 states have call predecessors, (20592), 17668 states have call successors, (20592) [2021-11-20 06:36:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66133 states to 66133 states and 93330 transitions. [2021-11-20 06:36:08,379 INFO L78 Accepts]: Start accepts. Automaton has 66133 states and 93330 transitions. Word has length 215 [2021-11-20 06:36:08,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:36:08,385 INFO L470 AbstractCegarLoop]: Abstraction has 66133 states and 93330 transitions. [2021-11-20 06:36:08,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 06:36:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 66133 states and 93330 transitions. [2021-11-20 06:36:08,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-20 06:36:08,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:36:08,399 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:36:08,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:36:08,400 INFO L402 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)] === [2021-11-20 06:36:08,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:36:08,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1625132848, now seen corresponding path program 1 times [2021-11-20 06:36:08,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:36:08,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475012813] [2021-11-20 06:36:08,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:36:08,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:36:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:36:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:36:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:36:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:36:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:36:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:36:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:36:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:36:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:36:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:36:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:36:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:36:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:36:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:36:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:36:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:36:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:09,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:36:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-20 06:36:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-20 06:36:09,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:36:09,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475012813] [2021-11-20 06:36:09,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475012813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:36:09,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:36:09,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:36:09,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938058167] [2021-11-20 06:36:09,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:36:09,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:36:09,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:36:09,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:36:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:36:09,050 INFO L87 Difference]: Start difference. First operand 66133 states and 93330 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 06:36:20,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:36:20,735 INFO L93 Difference]: Finished difference Result 188878 states and 265013 transitions. [2021-11-20 06:36:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:36:20,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 216 [2021-11-20 06:36:20,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:36:21,777 INFO L225 Difference]: With dead ends: 188878 [2021-11-20 06:36:21,778 INFO L226 Difference]: Without dead ends: 122782 [2021-11-20 06:36:22,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:36:22,076 INFO L933 BasicCegarLoop]: 5319 mSDtfsCounter, 4590 mSDsluCounter, 4615 mSDsCounter, 0 mSdLazyCounter, 3214 mSolverCounterSat, 2555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5310 SdHoareTripleChecker+Valid, 9934 SdHoareTripleChecker+Invalid, 5769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2555 IncrementalHoareTripleChecker+Valid, 3214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:36:22,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5310 Valid, 9934 Invalid, 5769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2555 Valid, 3214 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-11-20 06:36:22,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122782 states. [2021-11-20 06:36:27,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122782 to 122300. [2021-11-20 06:36:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122300 states, 81432 states have (on average 1.238395225464191) internal successors, (100845), 83494 states have internal predecessors, (100845), 32688 states have call successors, (32688), 7800 states have call predecessors, (32688), 8177 states have return successors, (36701), 32186 states have call predecessors, (36701), 32684 states have call successors, (36701) [2021-11-20 06:36:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122300 states to 122300 states and 170234 transitions. [2021-11-20 06:36:28,534 INFO L78 Accepts]: Start accepts. Automaton has 122300 states and 170234 transitions. Word has length 216 [2021-11-20 06:36:28,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:36:28,535 INFO L470 AbstractCegarLoop]: Abstraction has 122300 states and 170234 transitions. [2021-11-20 06:36:28,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-20 06:36:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 122300 states and 170234 transitions. [2021-11-20 06:36:28,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-20 06:36:28,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:36:28,542 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:36:28,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:36:28,543 INFO L402 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)] === [2021-11-20 06:36:28,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:36:28,544 INFO L85 PathProgramCache]: Analyzing trace with hash -2075112903, now seen corresponding path program 1 times [2021-11-20 06:36:28,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:36:28,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448523708] [2021-11-20 06:36:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:36:28,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:36:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:36:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:36:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:36:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:36:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:36:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 06:36:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:36:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:36:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 06:36:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 06:36:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:36:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:36:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 06:36:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 06:36:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 06:36:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 06:36:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:36:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 06:36:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:36:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-20 06:36:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-20 06:36:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:36:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-11-20 06:36:29,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:36:29,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448523708] [2021-11-20 06:36:29,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448523708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:36:29,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:36:29,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:36:29,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267519508] [2021-11-20 06:36:29,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:36:29,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:36:29,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:36:29,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:36:29,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:36:29,732 INFO L87 Difference]: Start difference. First operand 122300 states and 170234 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 06:36:57,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:36:57,089 INFO L93 Difference]: Finished difference Result 423698 states and 590729 transitions. [2021-11-20 06:36:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:36:57,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2021-11-20 06:36:57,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:36:59,258 INFO L225 Difference]: With dead ends: 423698 [2021-11-20 06:36:59,258 INFO L226 Difference]: Without dead ends: 301435 [2021-11-20 06:36:59,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:36:59,714 INFO L933 BasicCegarLoop]: 5243 mSDtfsCounter, 12737 mSDsluCounter, 9163 mSDsCounter, 0 mSdLazyCounter, 10604 mSolverCounterSat, 6275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14145 SdHoareTripleChecker+Valid, 14406 SdHoareTripleChecker+Invalid, 16879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6275 IncrementalHoareTripleChecker+Valid, 10604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:36:59,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14145 Valid, 14406 Invalid, 16879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6275 Valid, 10604 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2021-11-20 06:37:00,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301435 states.