./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 05:12:50,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:12:50,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:12:50,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:12:50,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:12:50,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:12:50,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:12:50,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:12:50,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:12:50,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:12:50,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:12:50,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:12:50,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:12:50,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:12:50,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:12:50,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:12:50,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:12:50,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:12:50,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:12:50,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:12:50,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:12:50,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:12:50,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:12:50,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:12:50,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:12:50,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:12:50,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:12:50,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:12:50,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:12:50,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:12:50,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:12:50,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:12:50,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:12:50,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:12:50,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:12:50,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:12:50,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:12:50,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:12:50,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:12:50,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:12:50,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:12:50,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:12:50,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:12:50,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:12:50,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:12:50,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:12:50,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:12:50,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:12:50,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:12:50,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:12:50,554 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:12:50,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:12:50,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:12:50,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:12:50,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:12:50,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:12:50,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:12:50,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:12:50,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:12:50,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:12:50,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:12:50,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:12:50,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:12:50,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:12:50,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:12:50,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:12:50,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:12:50,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:12:50,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:12:50,559 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:12:50,559 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:12:50,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:12:50,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:12:50,560 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-12-16 05:12:50,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:12:50,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:12:50,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:12:50,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:12:50,777 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:12:50,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-16 05:12:50,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1406f9953/b3ee37f89d6c4ef9bfdc70deabaa5281/FLAG4023da7df [2021-12-16 05:12:51,504 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:12:51,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-16 05:12:51,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1406f9953/b3ee37f89d6c4ef9bfdc70deabaa5281/FLAG4023da7df [2021-12-16 05:12:51,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1406f9953/b3ee37f89d6c4ef9bfdc70deabaa5281 [2021-12-16 05:12:51,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:12:51,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:12:51,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:12:51,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:12:51,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:12:51,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:12:51" (1/1) ... [2021-12-16 05:12:51,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ca1333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:51, skipping insertion in model container [2021-12-16 05:12:51,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:12:51" (1/1) ... [2021-12-16 05:12:51,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:12:51,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:12:55,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-12-16 05:12:55,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-12-16 05:12:55,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-12-16 05:12:55,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-12-16 05:12:55,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:12:55,151 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:12:55,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-12-16 05:12:55,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-12-16 05:12:55,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-12-16 05:12:55,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-12-16 05:12:55,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:12:55,751 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:12:55,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55 WrapperNode [2021-12-16 05:12:55,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:12:55,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:12:55,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:12:55,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:12:55,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:55,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,046 INFO L137 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8524 [2021-12-16 05:12:56,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:12:56,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:12:56,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:12:56,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:12:56,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:12:56,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:12:56,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:12:56,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:12:56,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (1/1) ... [2021-12-16 05:12:56,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:12:56,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:12:56,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 05:12:56,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 05:12:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-16 05:12:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-16 05:12:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:12:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:12:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-16 05:12:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-16 05:12:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-16 05:12:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-16 05:12:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:12:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:12:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-16 05:12:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-16 05:12:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-16 05:12:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-16 05:12:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-16 05:12:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-16 05:12:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-16 05:12:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-16 05:12:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-16 05:12:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-16 05:12:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 05:12:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 05:12:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-16 05:12:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-16 05:12:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-16 05:12:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-16 05:12:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 05:12:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 05:12:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 05:12:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 05:12:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-16 05:12:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-16 05:12:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-16 05:12:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-16 05:12:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-16 05:12:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-16 05:12:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 05:12:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 05:12:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-16 05:12:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-16 05:12:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-16 05:12:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-16 05:12:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 05:12:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 05:12:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:12:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:12:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 05:12:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 05:12:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 05:12:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 05:12:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-16 05:12:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-16 05:12:56,517 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-16 05:12:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-16 05:12:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:12:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:12:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-16 05:12:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-16 05:12:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-16 05:12:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-16 05:12:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:12:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 05:12:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 05:12:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-16 05:12:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-16 05:12:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-12-16 05:12:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-12-16 05:12:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-16 05:12:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-16 05:12:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-16 05:12:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-16 05:12:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-16 05:12:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-16 05:12:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-16 05:12:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-16 05:12:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-16 05:12:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 05:12:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 05:12:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 05:12:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 05:12:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:12:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-16 05:12:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-16 05:12:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-16 05:12:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-16 05:12:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 05:12:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 05:12:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-16 05:12:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-16 05:12:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 05:12:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 05:12:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:12:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-16 05:12:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-16 05:12:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:12:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:12:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:12:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 05:12:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 05:12:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:12:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:12:56,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-16 05:12:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-16 05:12:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-16 05:12:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-16 05:12:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-16 05:12:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-16 05:12:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 05:12:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 05:12:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 05:12:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 05:12:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-16 05:12:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-16 05:12:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-16 05:12:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-16 05:12:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 05:12:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 05:12:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 05:12:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 05:12:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:12:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 05:12:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 05:12:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-16 05:12:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-16 05:12:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-16 05:12:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-16 05:12:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-16 05:12:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-16 05:12:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-16 05:12:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-16 05:12:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-16 05:12:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-16 05:12:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:12:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-16 05:12:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-16 05:12:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:12:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:12:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 05:12:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 05:12:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:12:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 05:12:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-16 05:12:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-16 05:12:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-16 05:12:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-16 05:12:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-16 05:12:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-16 05:12:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:12:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:12:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:12:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:12:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-16 05:12:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-16 05:12:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-16 05:12:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-16 05:12:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-16 05:12:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-16 05:12:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-16 05:12:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-16 05:12:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-16 05:12:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-16 05:12:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 05:12:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 05:12:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 05:12:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 05:12:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-16 05:12:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-16 05:12:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 05:12:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 05:12:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-16 05:12:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-16 05:12:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 05:12:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 05:12:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-16 05:12:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-16 05:12:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-16 05:12:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-16 05:12:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 05:12:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 05:12:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-16 05:12:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-16 05:12:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:12:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:12:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 05:12:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 05:12:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-16 05:12:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-16 05:12:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:12:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:12:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:12:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:12:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-16 05:12:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-16 05:12:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 05:12:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 05:12:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 05:12:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 05:12:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-16 05:12:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-16 05:12:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 05:12:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 05:12:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-16 05:12:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-16 05:12:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-16 05:12:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-16 05:12:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-16 05:12:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-16 05:12:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-16 05:12:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-16 05:12:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-16 05:12:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-16 05:12:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-16 05:12:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-16 05:12:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-16 05:12:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-16 05:12:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-16 05:12:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 05:12:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 05:12:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-16 05:12:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-16 05:12:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-16 05:12:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-16 05:12:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-16 05:12:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-16 05:12:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 05:12:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 05:12:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-16 05:12:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-16 05:12:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-16 05:12:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-16 05:12:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-16 05:12:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-16 05:12:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 05:12:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 05:12:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:12:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 05:12:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 05:12:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-16 05:12:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-16 05:12:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-16 05:12:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-16 05:12:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-16 05:12:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-16 05:12:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-16 05:12:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-16 05:12:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 05:12:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 05:12:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:12:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-16 05:12:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-16 05:12:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:12:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-16 05:12:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-16 05:12:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:12:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:12:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-16 05:12:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-16 05:12:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-16 05:12:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-16 05:12:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-16 05:12:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-16 05:12:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 05:12:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 05:12:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 05:12:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 05:12:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-16 05:12:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-16 05:12:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:12:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:12:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 05:12:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 05:12:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-16 05:12:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-16 05:12:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-12-16 05:12:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-12-16 05:12:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-16 05:12:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-16 05:12:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 05:12:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 05:12:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 05:12:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 05:12:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-12-16 05:12:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-12-16 05:12:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-16 05:12:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-16 05:12:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 05:12:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 05:12:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-16 05:12:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-16 05:12:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 05:12:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 05:12:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-16 05:12:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-16 05:12:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:12:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:12:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:12:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-16 05:12:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-16 05:12:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-16 05:12:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-16 05:12:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-16 05:12:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-16 05:12:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-16 05:12:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-16 05:12:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-16 05:12:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-16 05:12:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 05:12:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 05:12:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-16 05:12:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-16 05:12:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-16 05:12:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-16 05:12:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-16 05:12:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-16 05:12:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-16 05:12:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-16 05:12:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-16 05:12:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-16 05:12:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-16 05:12:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-16 05:12:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-16 05:12:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-16 05:12:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-12-16 05:12:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-12-16 05:12:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-16 05:12:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-16 05:12:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-16 05:12:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-16 05:12:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-16 05:12:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-16 05:12:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:12:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:12:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-16 05:12:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-16 05:12:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-16 05:12:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-16 05:12:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-16 05:12:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-16 05:12:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-16 05:12:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-16 05:12:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-16 05:12:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-16 05:12:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 05:12:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 05:12:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-16 05:12:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-16 05:12:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 05:12:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 05:12:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:12:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 05:12:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 05:12:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-16 05:12:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-16 05:12:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-16 05:12:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-16 05:12:57,303 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:12:57,306 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:12:57,397 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:13:03,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 05:13:03,960 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:13:03,980 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:13:03,980 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-16 05:13:03,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:13:03 BoogieIcfgContainer [2021-12-16 05:13:03,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:13:03,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:13:03,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:13:03,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:13:03,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:12:51" (1/3) ... [2021-12-16 05:13:03,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a39699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:13:03, skipping insertion in model container [2021-12-16 05:13:03,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:55" (2/3) ... [2021-12-16 05:13:03,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a39699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:13:03, skipping insertion in model container [2021-12-16 05:13:03,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:13:03" (3/3) ... [2021-12-16 05:13:03,990 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-16 05:13:03,994 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:13:03,994 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-16 05:13:04,041 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:13:04,056 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 05:13:04,057 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 05:13:04,108 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) [2021-12-16 05:13:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-16 05:13:04,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:04,129 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] [2021-12-16 05:13:04,129 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:04,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:04,133 INFO L85 PathProgramCache]: Analyzing trace with hash -653031862, now seen corresponding path program 1 times [2021-12-16 05:13:04,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:04,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395732498] [2021-12-16 05:13:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:04,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:04,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 05:13:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-16 05:13:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-16 05:13:05,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:05,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395732498] [2021-12-16 05:13:05,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395732498] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:05,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:05,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:13:05,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597757171] [2021-12-16 05:13:05,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:05,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:13:05,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:05,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:13:05,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:13:05,122 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) [2021-12-16 05:13:11,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:13:11,586 INFO L93 Difference]: Finished difference Result 9267 states and 13426 transitions. [2021-12-16 05:13:11,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:13:11,588 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 [2021-12-16 05:13:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:13:11,662 INFO L225 Difference]: With dead ends: 9267 [2021-12-16 05:13:11,663 INFO L226 Difference]: Without dead ends: 6180 [2021-12-16 05:13:11,687 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 [2021-12-16 05:13:11,691 INFO L933 BasicCegarLoop]: 4339 mSDtfsCounter, 5382 mSDsluCounter, 4458 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 2790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6129 SdHoareTripleChecker+Valid, 8797 SdHoareTripleChecker+Invalid, 5848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2790 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-16 05:13:11,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6129 Valid, 8797 Invalid, 5848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2790 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-16 05:13:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-12-16 05:13:12,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5962. [2021-12-16 05:13:12,026 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) [2021-12-16 05:13:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2021-12-16 05:13:12,068 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2021-12-16 05:13:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:13:12,071 INFO L470 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2021-12-16 05:13:12,071 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) [2021-12-16 05:13:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2021-12-16 05:13:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-16 05:13:12,077 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:12,077 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] [2021-12-16 05:13:12,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:13:12,078 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:12,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:12,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1601171312, now seen corresponding path program 1 times [2021-12-16 05:13:12,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:12,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095640064] [2021-12-16 05:13:12,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:12,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 05:13:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-16 05:13:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-16 05:13:12,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:12,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095640064] [2021-12-16 05:13:12,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095640064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:12,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:12,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 05:13:12,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712878202] [2021-12-16 05:13:12,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:12,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 05:13:12,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:12,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 05:13:12,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-16 05:13:12,765 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) [2021-12-16 05:13:23,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:13:23,936 INFO L93 Difference]: Finished difference Result 22273 states and 31103 transitions. [2021-12-16 05:13:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 05:13:23,936 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 [2021-12-16 05:13:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:13:24,035 INFO L225 Difference]: With dead ends: 22273 [2021-12-16 05:13:24,035 INFO L226 Difference]: Without dead ends: 16348 [2021-12-16 05:13:24,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-16 05:13:24,069 INFO L933 BasicCegarLoop]: 4662 mSDtfsCounter, 9533 mSDsluCounter, 8387 mSDsCounter, 0 mSdLazyCounter, 10553 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10806 SdHoareTripleChecker+Valid, 13049 SdHoareTripleChecker+Invalid, 14906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 10553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-16 05:13:24,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10806 Valid, 13049 Invalid, 14906 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4353 Valid, 10553 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-12-16 05:13:24,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-12-16 05:13:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 15636. [2021-12-16 05:13:24,744 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) [2021-12-16 05:13:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15636 states to 15636 states and 21629 transitions. [2021-12-16 05:13:24,801 INFO L78 Accepts]: Start accepts. Automaton has 15636 states and 21629 transitions. Word has length 206 [2021-12-16 05:13:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:13:24,802 INFO L470 AbstractCegarLoop]: Abstraction has 15636 states and 21629 transitions. [2021-12-16 05:13:24,803 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) [2021-12-16 05:13:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 15636 states and 21629 transitions. [2021-12-16 05:13:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-16 05:13:24,806 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:24,806 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] [2021-12-16 05:13:24,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:13:24,806 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:24,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:24,807 INFO L85 PathProgramCache]: Analyzing trace with hash 978146363, now seen corresponding path program 1 times [2021-12-16 05:13:24,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:24,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985383995] [2021-12-16 05:13:24,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:24,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 05:13:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-16 05:13:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-16 05:13:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-16 05:13:25,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:25,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985383995] [2021-12-16 05:13:25,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985383995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:25,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:25,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:13:25,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009268121] [2021-12-16 05:13:25,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:25,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:13:25,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:25,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:13:25,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:13:25,280 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) [2021-12-16 05:13:31,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:13:31,185 INFO L93 Difference]: Finished difference Result 47978 states and 67201 transitions. [2021-12-16 05:13:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:13:31,185 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 [2021-12-16 05:13:31,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:13:31,349 INFO L225 Difference]: With dead ends: 47978 [2021-12-16 05:13:31,349 INFO L226 Difference]: Without dead ends: 32379 [2021-12-16 05:13:31,440 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 [2021-12-16 05:13:31,444 INFO L933 BasicCegarLoop]: 4944 mSDtfsCounter, 5373 mSDsluCounter, 4976 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6095 SdHoareTripleChecker+Valid, 9920 SdHoareTripleChecker+Invalid, 5793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2744 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-16 05:13:31,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6095 Valid, 9920 Invalid, 5793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2744 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-16 05:13:31,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32379 states. [2021-12-16 05:13:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32379 to 32237. [2021-12-16 05:13:32,791 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) [2021-12-16 05:13:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45380 transitions. [2021-12-16 05:13:32,942 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45380 transitions. Word has length 216 [2021-12-16 05:13:32,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:13:32,943 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45380 transitions. [2021-12-16 05:13:32,943 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) [2021-12-16 05:13:32,943 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45380 transitions. [2021-12-16 05:13:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-16 05:13:32,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:32,947 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] [2021-12-16 05:13:32,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:13:32,948 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:32,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:32,948 INFO L85 PathProgramCache]: Analyzing trace with hash 22260385, now seen corresponding path program 1 times [2021-12-16 05:13:32,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:32,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401061951] [2021-12-16 05:13:32,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:32,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 05:13:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:13:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-16 05:13:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-16 05:13:33,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:33,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401061951] [2021-12-16 05:13:33,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401061951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:33,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:33,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:13:33,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196371936] [2021-12-16 05:13:33,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:33,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:13:33,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:33,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:13:33,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:13:33,387 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) [2021-12-16 05:13:39,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:13:39,486 INFO L93 Difference]: Finished difference Result 96383 states and 136618 transitions. [2021-12-16 05:13:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:13:39,488 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 [2021-12-16 05:13:39,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:13:40,060 INFO L225 Difference]: With dead ends: 96383 [2021-12-16 05:13:40,061 INFO L226 Difference]: Without dead ends: 64183 [2021-12-16 05:13:40,185 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 [2021-12-16 05:13:40,187 INFO L933 BasicCegarLoop]: 4961 mSDtfsCounter, 5362 mSDsluCounter, 4974 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6084 SdHoareTripleChecker+Valid, 9935 SdHoareTripleChecker+Invalid, 5785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2736 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-16 05:13:40,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6084 Valid, 9935 Invalid, 5785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2736 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-16 05:13:40,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64183 states. [2021-12-16 05:13:42,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64183 to 63919. [2021-12-16 05:13:42,923 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) [2021-12-16 05:13:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63919 states to 63919 states and 90844 transitions. [2021-12-16 05:13:43,496 INFO L78 Accepts]: Start accepts. Automaton has 63919 states and 90844 transitions. Word has length 217 [2021-12-16 05:13:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:13:43,520 INFO L470 AbstractCegarLoop]: Abstraction has 63919 states and 90844 transitions. [2021-12-16 05:13:43,520 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) [2021-12-16 05:13:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 63919 states and 90844 transitions. [2021-12-16 05:13:43,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-16 05:13:43,524 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:43,524 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] [2021-12-16 05:13:43,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 05:13:43,525 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:43,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:43,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1818648166, now seen corresponding path program 1 times [2021-12-16 05:13:43,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:43,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754658117] [2021-12-16 05:13:43,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:43,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 05:13:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-16 05:13:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-16 05:13:43,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:43,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754658117] [2021-12-16 05:13:43,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754658117] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:43,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:43,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:13:43,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507244545] [2021-12-16 05:13:43,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:43,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:13:43,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:43,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:13:43,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:13:43,963 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)