./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:58:30,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:58:30,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:58:30,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:58:30,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:58:30,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:58:30,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:58:30,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:58:30,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:58:30,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:58:30,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:58:30,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:58:30,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:58:30,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:58:30,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:58:30,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:58:30,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:58:30,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:58:30,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:58:30,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:58:30,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:58:30,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:58:30,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:58:30,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:58:30,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:58:30,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:58:30,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:58:30,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:58:30,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:58:30,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:58:30,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:58:30,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:58:30,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:58:30,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:58:30,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:58:30,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:58:30,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:58:30,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:58:30,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:58:30,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:58:30,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:58:30,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:58:30,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:58:30,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:58:30,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:58:30,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:58:30,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:58:30,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:58:30,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:58:30,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:58:30,346 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:58:30,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:58:30,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:58:30,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:58:30,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:58:30,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:58:30,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:58:30,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:58:30,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:58:30,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:58:30,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:58:30,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:58:30,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:58:30,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:58:30,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:58:30,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:58:30,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:58:30,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:58:30,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:58:30,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:58:30,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:58:30,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:58:30,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:58:30,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-12-14 18:58:30,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:58:30,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:58:30,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:58:30,571 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:58:30,573 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:58:30,574 INFO L432 ainManager$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 [2021-12-14 18:58:30,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955a86405/c51c54b22b1b4a58a29ad67657e8710b/FLAGbfafaba10 [2021-12-14 18:58:31,357 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:58:31,375 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 [2021-12-14 18:58:31,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955a86405/c51c54b22b1b4a58a29ad67657e8710b/FLAGbfafaba10 [2021-12-14 18:58:31,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955a86405/c51c54b22b1b4a58a29ad67657e8710b [2021-12-14 18:58:31,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:58:31,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:58:31,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:58:31,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:58:31,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:58:31,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:31" (1/1) ... [2021-12-14 18:58:31,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d8d10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:31, skipping insertion in model container [2021-12-14 18:58:31,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:31" (1/1) ... [2021-12-14 18:58:31,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:58:31,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:58:34,895 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] [2021-12-14 18:58:34,897 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] [2021-12-14 18:58:34,898 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] [2021-12-14 18:58:34,903 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] [2021-12-14 18:58:34,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:58:34,995 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:58:35,290 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] [2021-12-14 18:58:35,291 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] [2021-12-14 18:58:35,291 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] [2021-12-14 18:58:35,291 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] [2021-12-14 18:58:35,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:58:35,493 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:58:35,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35 WrapperNode [2021-12-14 18:58:35,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:58:35,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:58:35,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:58:35,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:58:35,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:35,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:35,816 INFO L137 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8524 [2021-12-14 18:58:35,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:58:35,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:58:35,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:58:35,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:58:35,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:35,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:35,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:35,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:36,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:36,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:36,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:36,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:58:36,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:58:36,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:58:36,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:58:36,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (1/1) ... [2021-12-14 18:58:36,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:58:36,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:58:36,150 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) [2021-12-14 18:58:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-14 18:58:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-14 18:58:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:58:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:58:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-14 18:58:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-14 18:58:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-14 18:58:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-14 18:58:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:58:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:58:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-14 18:58:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-14 18:58:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-14 18:58:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-14 18:58:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-14 18:58:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-14 18:58:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-14 18:58:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-14 18:58:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-14 18:58:36,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-14 18:58:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:58:36,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:58:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:58:36,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:58:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-14 18:58:36,185 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-14 18:58:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:58:36,186 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:58:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:58:36,186 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:58:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-14 18:58:36,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-14 18:58:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-14 18:58:36,187 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-14 18:58:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-14 18:58:36,187 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-14 18:58:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:58:36,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:58:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-14 18:58:36,187 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-14 18:58:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-14 18:58:36,188 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-14 18:58:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:58:36,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:58:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:58:36,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:58:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:58:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:58:36,165 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 [2021-12-14 18:58:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:58:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:58:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-14 18:58:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-14 18:58:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:58:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 18:58:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-14 18:58:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-14 18:58:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:58:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:58:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-14 18:58:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-14 18:58:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:58:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:58:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-14 18:58:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-14 18:58:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:58:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:58:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:58:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-14 18:58:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-14 18:58:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:58:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:58:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:58:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:58:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:58:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:58:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:58:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:58:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:58:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-14 18:58:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-14 18:58:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-14 18:58:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-14 18:58:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:58:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:58:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:58:36,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:58:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-14 18:58:36,203 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-14 18:58:36,205 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-14 18:58:36,205 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-14 18:58:36,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:58:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:58:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:58:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:58:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:58:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:58:36,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:58:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:58:36,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:58:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-14 18:58:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-14 18:58:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-14 18:58:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-14 18:58:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 18:58:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 18:58:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-14 18:58:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-14 18:58:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:58:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 18:58:36,211 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 18:58:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:58:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:58:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:58:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:58:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:58:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:58:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-14 18:58:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-14 18:58:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-14 18:58:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-14 18:58:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-14 18:58:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-14 18:58:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:58:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:58:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:58:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:58:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-14 18:58:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-14 18:58:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-14 18:58:36,213 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-14 18:58:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-14 18:58:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-14 18:58:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-14 18:58:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-14 18:58:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-14 18:58:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-14 18:58:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:58:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:58:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:58:36,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:58:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 18:58:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 18:58:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:58:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:58:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-14 18:58:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-14 18:58:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:58:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:58:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-14 18:58:36,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-14 18:58:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-14 18:58:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-14 18:58:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:58:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:58:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-14 18:58:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-14 18:58:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:58:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:58:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:58:36,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:58:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-14 18:58:36,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-14 18:58:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:58:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:58:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:58:36,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:58:36,218 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-14 18:58:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-14 18:58:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:58:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:58:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:58:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:58:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 18:58:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 18:58:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:58:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:58:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:58:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-14 18:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-14 18:58:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 18:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 18:58:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 18:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 18:58:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-14 18:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-14 18:58:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:58:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-14 18:58:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-14 18:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-14 18:58:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-14 18:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:58:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-14 18:58:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-14 18:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-14 18:58:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-14 18:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-14 18:58:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-14 18:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:58:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 18:58:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 18:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-14 18:58:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-14 18:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 18:58:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 18:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:58:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:58:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-14 18:58:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-14 18:58:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-14 18:58:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-14 18:58:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 18:58:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 18:58:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-14 18:58:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-14 18:58:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:58:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:58:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:58:36,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-14 18:58:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-14 18:58:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:58:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-14 18:58:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-14 18:58:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:58:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 18:58:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 18:58:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 18:58:36,228 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-14 18:58:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-14 18:58:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 18:58:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 18:58:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:58:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:58:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:58:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:58:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-14 18:58:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-14 18:58:36,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:58:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:58:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:58:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:58:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-14 18:58:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-14 18:58:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-12-14 18:58:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-12-14 18:58:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-14 18:58:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-14 18:58:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:58:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:58:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:58:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:58:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-12-14 18:58:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-12-14 18:58:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-14 18:58:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-14 18:58:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:58:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:58:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-14 18:58:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-14 18:58:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:58:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:58:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-14 18:58:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-14 18:58:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:58:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:58:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:58:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-14 18:58:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-14 18:58:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 18:58:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 18:58:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-14 18:58:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-14 18:58:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-14 18:58:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-14 18:58:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-14 18:58:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-14 18:58:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:58:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:58:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-14 18:58:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-14 18:58:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 18:58:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 18:58:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-14 18:58:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-14 18:58:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-14 18:58:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-14 18:58:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-14 18:58:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-14 18:58:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-14 18:58:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-14 18:58:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-14 18:58:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-14 18:58:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-12-14 18:58:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-12-14 18:58:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-14 18:58:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-14 18:58:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 18:58:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 18:58:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 18:58:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 18:58:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:58:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:58:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:58:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:58:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-14 18:58:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-14 18:58:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-14 18:58:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-14 18:58:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-14 18:58:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-14 18:58:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-14 18:58:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-14 18:58:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:58:36,236 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:58:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 18:58:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 18:58:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:58:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:58:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:58:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:58:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:58:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-14 18:58:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-14 18:58:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-14 18:58:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-14 18:58:37,187 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:58:37,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:58:37,336 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:58:45,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:58:45,386 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:58:45,408 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:58:45,409 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-14 18:58:45,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:45 BoogieIcfgContainer [2021-12-14 18:58:45,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:58:45,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:58:45,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:58:45,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:58:45,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:58:31" (1/3) ... [2021-12-14 18:58:45,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732767ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:58:45, skipping insertion in model container [2021-12-14 18:58:45,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:35" (2/3) ... [2021-12-14 18:58:45,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732767ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:58:45, skipping insertion in model container [2021-12-14 18:58:45,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:45" (3/3) ... [2021-12-14 18:58:45,419 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-14 18:58:45,422 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:58:45,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:58:45,472 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:58:45,482 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 [2021-12-14 18:58:45,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:58:45,542 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) [2021-12-14 18:58:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-14 18:58:45,554 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:45,554 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] [2021-12-14 18:58:45,555 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)] === [2021-12-14 18:58:45,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:45,558 INFO L85 PathProgramCache]: Analyzing trace with hash -653031862, now seen corresponding path program 1 times [2021-12-14 18:58:45,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:45,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359407561] [2021-12-14 18:58:45,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:45,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:58:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:58:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 18:58:46,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:46,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359407561] [2021-12-14 18:58:46,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359407561] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:46,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:46,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:58:46,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378466686] [2021-12-14 18:58:46,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:46,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:58:46,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:46,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:58:46,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:58:46,592 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) [2021-12-14 18:58:53,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:58:53,283 INFO L93 Difference]: Finished difference Result 9267 states and 13426 transitions. [2021-12-14 18:58:53,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:58:53,285 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 [2021-12-14 18:58:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:58:53,336 INFO L225 Difference]: With dead ends: 9267 [2021-12-14 18:58:53,336 INFO L226 Difference]: Without dead ends: 6180 [2021-12-14 18:58:53,359 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 [2021-12-14 18:58:53,362 INFO L933 BasicCegarLoop]: 4339 mSDtfsCounter, 5382 mSDsluCounter, 4458 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 2790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s 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, 6.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:58:53,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6129 Valid, 8797 Invalid, 5848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2790 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-14 18:58:53,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-12-14 18:58:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5962. [2021-12-14 18:58:53,663 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) [2021-12-14 18:58:53,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2021-12-14 18:58:53,703 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2021-12-14 18:58:53,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:58:53,706 INFO L470 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2021-12-14 18:58:53,707 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) [2021-12-14 18:58:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2021-12-14 18:58:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-14 18:58:53,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:53,715 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] [2021-12-14 18:58:53,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:58:53,715 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)] === [2021-12-14 18:58:53,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:53,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1601171312, now seen corresponding path program 1 times [2021-12-14 18:58:53,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:53,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953977251] [2021-12-14 18:58:53,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:53,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:58:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:58:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 18:58:54,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:54,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953977251] [2021-12-14 18:58:54,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953977251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:54,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:54,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:58:54,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435431398] [2021-12-14 18:58:54,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:54,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:58:54,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:54,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:58:54,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:58:54,334 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) [2021-12-14 18:59:06,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:06,549 INFO L93 Difference]: Finished difference Result 22273 states and 31103 transitions. [2021-12-14 18:59:06,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:59:06,549 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 [2021-12-14 18:59:06,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:06,625 INFO L225 Difference]: With dead ends: 22273 [2021-12-14 18:59:06,625 INFO L226 Difference]: Without dead ends: 16348 [2021-12-14 18:59:06,650 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 [2021-12-14 18:59:06,652 INFO L933 BasicCegarLoop]: 4662 mSDtfsCounter, 9533 mSDsluCounter, 8383 mSDsCounter, 0 mSdLazyCounter, 10557 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10805 SdHoareTripleChecker+Valid, 13045 SdHoareTripleChecker+Invalid, 14910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 10557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:06,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10805 Valid, 13045 Invalid, 14910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4353 Valid, 10557 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2021-12-14 18:59:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-12-14 18:59:07,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 15636. [2021-12-14 18:59:07,160 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) [2021-12-14 18:59:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15636 states to 15636 states and 21629 transitions. [2021-12-14 18:59:07,302 INFO L78 Accepts]: Start accepts. Automaton has 15636 states and 21629 transitions. Word has length 206 [2021-12-14 18:59:07,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:07,303 INFO L470 AbstractCegarLoop]: Abstraction has 15636 states and 21629 transitions. [2021-12-14 18:59:07,304 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) [2021-12-14 18:59:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 15636 states and 21629 transitions. [2021-12-14 18:59:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-14 18:59:07,307 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:07,307 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] [2021-12-14 18:59:07,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:59:07,307 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)] === [2021-12-14 18:59:07,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:07,308 INFO L85 PathProgramCache]: Analyzing trace with hash 978146363, now seen corresponding path program 1 times [2021-12-14 18:59:07,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:07,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652955740] [2021-12-14 18:59:07,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:07,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:59:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:59:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:59:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:59:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:59:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:59:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:59:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:59:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-14 18:59:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:59:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 18:59:07,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:07,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652955740] [2021-12-14 18:59:07,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652955740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:07,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:07,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:07,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408047937] [2021-12-14 18:59:07,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:07,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:07,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:07,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:07,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:07,739 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) [2021-12-14 18:59:14,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:14,011 INFO L93 Difference]: Finished difference Result 47978 states and 67201 transitions. [2021-12-14 18:59:14,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:14,011 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 [2021-12-14 18:59:14,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:14,179 INFO L225 Difference]: With dead ends: 47978 [2021-12-14 18:59:14,180 INFO L226 Difference]: Without dead ends: 32379 [2021-12-14 18:59:14,351 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 [2021-12-14 18:59:14,353 INFO L933 BasicCegarLoop]: 4477 mSDtfsCounter, 5378 mSDsluCounter, 4573 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6100 SdHoareTripleChecker+Valid, 9050 SdHoareTripleChecker+Invalid, 5864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2815 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:14,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6100 Valid, 9050 Invalid, 5864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2815 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-14 18:59:14,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32379 states. [2021-12-14 18:59:15,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32379 to 32237. [2021-12-14 18:59:15,440 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) [2021-12-14 18:59:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45380 transitions. [2021-12-14 18:59:15,578 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45380 transitions. Word has length 216 [2021-12-14 18:59:15,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:15,579 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45380 transitions. [2021-12-14 18:59:15,579 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) [2021-12-14 18:59:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45380 transitions. [2021-12-14 18:59:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-14 18:59:15,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:15,583 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] [2021-12-14 18:59:15,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:59:15,583 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)] === [2021-12-14 18:59:15,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:15,584 INFO L85 PathProgramCache]: Analyzing trace with hash 22260385, now seen corresponding path program 1 times [2021-12-14 18:59:15,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:15,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397345817] [2021-12-14 18:59:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:15,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:59:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:59:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:59:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:59:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:59:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:59:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:59:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:15,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:59:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-14 18:59:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-14 18:59:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 18:59:16,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:16,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397345817] [2021-12-14 18:59:16,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397345817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:16,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:16,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:16,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891152013] [2021-12-14 18:59:16,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:16,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:16,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:16,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:16,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:16,023 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) [2021-12-14 18:59:22,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:22,465 INFO L93 Difference]: Finished difference Result 96383 states and 136618 transitions. [2021-12-14 18:59:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:22,466 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 [2021-12-14 18:59:22,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:22,928 INFO L225 Difference]: With dead ends: 96383 [2021-12-14 18:59:22,928 INFO L226 Difference]: Without dead ends: 64183 [2021-12-14 18:59:23,042 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 [2021-12-14 18:59:23,043 INFO L933 BasicCegarLoop]: 5044 mSDtfsCounter, 5322 mSDsluCounter, 4978 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6043 SdHoareTripleChecker+Valid, 10022 SdHoareTripleChecker+Invalid, 5746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2697 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:23,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6043 Valid, 10022 Invalid, 5746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2697 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-14 18:59:23,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64183 states.