./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.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 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:50:05,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:50:05,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:50:05,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:50:05,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:50:05,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:50:05,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:50:05,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:50:05,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:50:05,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:50:05,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:50:05,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:50:05,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:50:05,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:50:05,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:50:05,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:50:05,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:50:05,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:50:05,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:50:05,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:50:05,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:50:05,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:50:05,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:50:05,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:50:05,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:50:05,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:50:05,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:50:05,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:50:05,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:50:05,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:50:05,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:50:05,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:50:05,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:50:05,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:50:05,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:50:05,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:50:05,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:50:05,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:50:05,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:50:05,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:50:05,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:50:05,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:50:05,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:50:05,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:50:05,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:50:05,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:50:05,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:50:05,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:50:05,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:50:05,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:50:05,556 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:50:05,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:50:05,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:50:05,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:50:05,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:50:05,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:50:05,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:50:05,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:50:05,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:50:05,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:50:05,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:50:05,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:50:05,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:50:05,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:50:05,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:50:05,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:50:05,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:50:05,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:50:05,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:50:05,562 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:50:05,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:50:05,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:50:05,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2021-12-28 04:50:05,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:50:05,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:50:05,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:50:05,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:50:05,943 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:50:05,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-28 04:50:06,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/711686de8/bf8224a6396b4d638e3008718db40b66/FLAGbdfcfede9 [2021-12-28 04:50:06,878 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:50:06,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-28 04:50:06,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/711686de8/bf8224a6396b4d638e3008718db40b66/FLAGbdfcfede9 [2021-12-28 04:50:07,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/711686de8/bf8224a6396b4d638e3008718db40b66 [2021-12-28 04:50:07,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:50:07,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:50:07,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:50:07,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:50:07,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:50:07,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:50:07" (1/1) ... [2021-12-28 04:50:07,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cedb64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:07, skipping insertion in model container [2021-12-28 04:50:07,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:50:07" (1/1) ... [2021-12-28 04:50:07,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:50:07,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:50:11,198 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2021-12-28 04:50:11,200 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2021-12-28 04:50:11,201 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2021-12-28 04:50:11,201 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2021-12-28 04:50:11,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:50:11,276 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:50:11,767 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2021-12-28 04:50:11,768 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2021-12-28 04:50:11,769 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2021-12-28 04:50:11,769 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2021-12-28 04:50:11,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:50:11,990 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:50:11,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11 WrapperNode [2021-12-28 04:50:11,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:50:11,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:50:11,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:50:11,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:50:11,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,348 INFO L137 Inliner]: procedures = 572, calls = 2923, calls flagged for inlining = 287, calls inlined = 255, statements flattened = 6555 [2021-12-28 04:50:12,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:50:12,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:50:12,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:50:12,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:50:12,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:50:12,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:50:12,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:50:12,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:50:12,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (1/1) ... [2021-12-28 04:50:12,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:50:12,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:50:12,749 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) [2021-12-28 04:50:12,774 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 [2021-12-28 04:50:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2021-12-28 04:50:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2021-12-28 04:50:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2021-12-28 04:50:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2021-12-28 04:50:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:50:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:50:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:50:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:50:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 04:50:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 04:50:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-28 04:50:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-28 04:50:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2021-12-28 04:50:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2021-12-28 04:50:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:50:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:50:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:50:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:50:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-28 04:50:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-28 04:50:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:50:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:50:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2021-12-28 04:50:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2021-12-28 04:50:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2021-12-28 04:50:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2021-12-28 04:50:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:50:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:50:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:50:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:50:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:50:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:50:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2021-12-28 04:50:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2021-12-28 04:50:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2021-12-28 04:50:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2021-12-28 04:50:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 04:50:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 04:50:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:50:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:50:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-28 04:50:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-28 04:50:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2021-12-28 04:50:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2021-12-28 04:50:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:50:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:50:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2021-12-28 04:50:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2021-12-28 04:50:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:50:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:50:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:50:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:50:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2021-12-28 04:50:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2021-12-28 04:50:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:50:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:50:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:50:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:50:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:50:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:50:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:50:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:50:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:50:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2021-12-28 04:50:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2021-12-28 04:50:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-28 04:50:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-28 04:50:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:50:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:50:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-28 04:50:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-28 04:50:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:50:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:50:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:50:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:50:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:50:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:50:12,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:50:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:50:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2021-12-28 04:50:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2021-12-28 04:50:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:50:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:50:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:50:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:50:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:50:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 04:50:12,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 04:50:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:50:12,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:50:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:50:12,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:50:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-28 04:50:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-28 04:50:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-28 04:50:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-28 04:50:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2021-12-28 04:50:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2021-12-28 04:50:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2021-12-28 04:50:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2021-12-28 04:50:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:50:12,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:50:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2021-12-28 04:50:12,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2021-12-28 04:50:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2021-12-28 04:50:12,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2021-12-28 04:50:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:50:12,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:50:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2021-12-28 04:50:12,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2021-12-28 04:50:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:50:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2021-12-28 04:50:12,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2021-12-28 04:50:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:50:12,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:50:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:50:12,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:50:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 04:50:12,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 04:50:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-28 04:50:12,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-28 04:50:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2021-12-28 04:50:12,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2021-12-28 04:50:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:50:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2021-12-28 04:50:12,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2021-12-28 04:50:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:50:12,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:50:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:50:12,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:50:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:50:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2021-12-28 04:50:12,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2021-12-28 04:50:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:50:12,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:50:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-28 04:50:12,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-28 04:50:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:50:12,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:50:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:50:12,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:50:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2021-12-28 04:50:12,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2021-12-28 04:50:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:50:12,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:50:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:50:12,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:50:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 04:50:12,809 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 04:50:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:50:12,809 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:50:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2021-12-28 04:50:12,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2021-12-28 04:50:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:50:12,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:50:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-28 04:50:12,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-28 04:50:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2021-12-28 04:50:12,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2021-12-28 04:50:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-28 04:50:12,811 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-28 04:50:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:50:12,811 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:50:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:50:12,811 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:50:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:50:12,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:50:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2021-12-28 04:50:12,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2021-12-28 04:50:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:50:12,812 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:50:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2021-12-28 04:50:12,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2021-12-28 04:50:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:50:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:50:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:50:12,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:50:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:50:12,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:50:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:50:12,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:50:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:50:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:50:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-28 04:50:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-28 04:50:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-28 04:50:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-28 04:50:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 04:50:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 04:50:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 04:50:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 04:50:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2021-12-28 04:50:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2021-12-28 04:50:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:50:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:50:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2021-12-28 04:50:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2021-12-28 04:50:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:50:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:50:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2021-12-28 04:50:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2021-12-28 04:50:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:50:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:50:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-28 04:50:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-28 04:50:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 04:50:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 04:50:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2021-12-28 04:50:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2021-12-28 04:50:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:50:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:50:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-28 04:50:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-28 04:50:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:50:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:50:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:50:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:50:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:50:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:50:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:50:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 04:50:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 04:50:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:50:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:50:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:50:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:50:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:50:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:50:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2021-12-28 04:50:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2021-12-28 04:50:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:50:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:50:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:50:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:50:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2021-12-28 04:50:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2021-12-28 04:50:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2021-12-28 04:50:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2021-12-28 04:50:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:50:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:50:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2021-12-28 04:50:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2021-12-28 04:50:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2021-12-28 04:50:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2021-12-28 04:50:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-28 04:50:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-28 04:50:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:50:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:50:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2021-12-28 04:50:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2021-12-28 04:50:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 04:50:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 04:50:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:50:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:50:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2021-12-28 04:50:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2021-12-28 04:50:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:50:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:50:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:50:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2021-12-28 04:50:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2021-12-28 04:50:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-28 04:50:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-28 04:50:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:50:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:50:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2021-12-28 04:50:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2021-12-28 04:50:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-28 04:50:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-28 04:50:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2021-12-28 04:50:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2021-12-28 04:50:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2021-12-28 04:50:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2021-12-28 04:50:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:50:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:50:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:50:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:50:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 04:50:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 04:50:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 04:50:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 04:50:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:50:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:50:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-28 04:50:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:50:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-28 04:50:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-28 04:50:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:50:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:50:13,768 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:50:13,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:50:13,941 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:50:17,723 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:50:17,804 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:50:17,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:50:17,828 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:50:17,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:50:17 BoogieIcfgContainer [2021-12-28 04:50:17,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:50:17,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:50:17,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:50:17,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:50:17,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:50:07" (1/3) ... [2021-12-28 04:50:17,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1884e241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:50:17, skipping insertion in model container [2021-12-28 04:50:17,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:11" (2/3) ... [2021-12-28 04:50:17,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1884e241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:50:17, skipping insertion in model container [2021-12-28 04:50:17,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:50:17" (3/3) ... [2021-12-28 04:50:17,838 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-28 04:50:17,846 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:50:17,846 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:50:17,908 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:50:17,913 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 [2021-12-28 04:50:17,913 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:50:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 2500 states, 1648 states have (on average 1.258495145631068) internal successors, (2074), 1699 states have internal predecessors, (2074), 714 states have call successors, (714), 136 states have call predecessors, (714), 135 states have return successors, (709), 694 states have call predecessors, (709), 709 states have call successors, (709) [2021-12-28 04:50:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-28 04:50:17,988 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:17,989 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:50:17,990 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)] === [2021-12-28 04:50:17,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:17,994 INFO L85 PathProgramCache]: Analyzing trace with hash 99291340, now seen corresponding path program 1 times [2021-12-28 04:50:18,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:18,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237156350] [2021-12-28 04:50:18,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:18,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:50:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:50:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-28 04:50:18,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:18,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237156350] [2021-12-28 04:50:18,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237156350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:18,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:18,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:50:18,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129002347] [2021-12-28 04:50:18,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:18,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:50:18,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:18,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:50:18,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:50:18,849 INFO L87 Difference]: Start difference. First operand has 2500 states, 1648 states have (on average 1.258495145631068) internal successors, (2074), 1699 states have internal predecessors, (2074), 714 states have call successors, (714), 136 states have call predecessors, (714), 135 states have return successors, (709), 694 states have call predecessors, (709), 709 states have call successors, (709) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-28 04:50:27,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:50:27,739 INFO L93 Difference]: Finished difference Result 8287 states and 11980 transitions. [2021-12-28 04:50:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:50:27,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2021-12-28 04:50:27,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:50:27,806 INFO L225 Difference]: With dead ends: 8287 [2021-12-28 04:50:27,807 INFO L226 Difference]: Without dead ends: 5798 [2021-12-28 04:50:27,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:50:27,839 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 5201 mSDsluCounter, 3055 mSDsCounter, 0 mSdLazyCounter, 3557 mSolverCounterSat, 2859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5990 SdHoareTripleChecker+Valid, 6732 SdHoareTripleChecker+Invalid, 6416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2859 IncrementalHoareTripleChecker+Valid, 3557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:50:27,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5990 Valid, 6732 Invalid, 6416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2859 Valid, 3557 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-12-28 04:50:27,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5798 states. [2021-12-28 04:50:28,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5798 to 4890. [2021-12-28 04:50:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4890 states, 3236 states have (on average 1.2533992583436342) internal successors, (4056), 3336 states have internal predecessors, (4056), 1384 states have call successors, (1384), 268 states have call predecessors, (1384), 267 states have return successors, (1381), 1351 states have call predecessors, (1381), 1381 states have call successors, (1381) [2021-12-28 04:50:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 6821 transitions. [2021-12-28 04:50:28,307 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 6821 transitions. Word has length 112 [2021-12-28 04:50:28,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:50:28,309 INFO L470 AbstractCegarLoop]: Abstraction has 4890 states and 6821 transitions. [2021-12-28 04:50:28,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-28 04:50:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 6821 transitions. [2021-12-28 04:50:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-28 04:50:28,314 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:28,314 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:50:28,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:50:28,315 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)] === [2021-12-28 04:50:28,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:28,327 INFO L85 PathProgramCache]: Analyzing trace with hash 264932796, now seen corresponding path program 1 times [2021-12-28 04:50:28,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:28,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57573838] [2021-12-28 04:50:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:28,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:50:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-28 04:50:28,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:28,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57573838] [2021-12-28 04:50:28,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57573838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:28,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:28,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:50:28,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227780892] [2021-12-28 04:50:28,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:28,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:50:28,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:28,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:50:28,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:50:28,778 INFO L87 Difference]: Start difference. First operand 4890 states and 6821 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-28 04:50:41,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:50:41,604 INFO L93 Difference]: Finished difference Result 11607 states and 16141 transitions. [2021-12-28 04:50:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 04:50:41,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 117 [2021-12-28 04:50:41,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:50:41,649 INFO L225 Difference]: With dead ends: 11607 [2021-12-28 04:50:41,649 INFO L226 Difference]: Without dead ends: 6738 [2021-12-28 04:50:41,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:50:41,678 INFO L933 BasicCegarLoop]: 4045 mSDtfsCounter, 9628 mSDsluCounter, 5074 mSDsCounter, 0 mSdLazyCounter, 8404 mSolverCounterSat, 5889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10607 SdHoareTripleChecker+Valid, 9119 SdHoareTripleChecker+Invalid, 14293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5889 IncrementalHoareTripleChecker+Valid, 8404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:50:41,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10607 Valid, 9119 Invalid, 14293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5889 Valid, 8404 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2021-12-28 04:50:41,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6738 states. [2021-12-28 04:50:41,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6738 to 5900. [2021-12-28 04:50:41,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5900 states, 3936 states have (on average 1.2398373983739837) internal successors, (4880), 4036 states have internal predecessors, (4880), 1581 states have call successors, (1581), 381 states have call predecessors, (1581), 380 states have return successors, (1578), 1554 states have call predecessors, (1578), 1578 states have call successors, (1578) [2021-12-28 04:50:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5900 states to 5900 states and 8039 transitions. [2021-12-28 04:50:41,966 INFO L78 Accepts]: Start accepts. Automaton has 5900 states and 8039 transitions. Word has length 117 [2021-12-28 04:50:41,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:50:41,968 INFO L470 AbstractCegarLoop]: Abstraction has 5900 states and 8039 transitions. [2021-12-28 04:50:41,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-28 04:50:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 5900 states and 8039 transitions. [2021-12-28 04:50:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-28 04:50:41,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:41,974 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:50:41,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:50:41,975 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)] === [2021-12-28 04:50:41,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:41,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1281227428, now seen corresponding path program 1 times [2021-12-28 04:50:41,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:41,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977569335] [2021-12-28 04:50:41,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:41,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:50:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:50:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:50:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-28 04:50:42,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:42,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977569335] [2021-12-28 04:50:42,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977569335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:42,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:42,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:50:42,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506723586] [2021-12-28 04:50:42,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:42,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:50:42,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:42,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:50:42,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:50:42,327 INFO L87 Difference]: Start difference. First operand 5900 states and 8039 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-28 04:50:49,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:50:49,573 INFO L93 Difference]: Finished difference Result 17328 states and 23904 transitions. [2021-12-28 04:50:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:50:49,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 120 [2021-12-28 04:50:49,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:50:49,664 INFO L225 Difference]: With dead ends: 17328 [2021-12-28 04:50:49,665 INFO L226 Difference]: Without dead ends: 11449 [2021-12-28 04:50:49,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:50:49,709 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 4889 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 3313 mSolverCounterSat, 2733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5616 SdHoareTripleChecker+Valid, 7075 SdHoareTripleChecker+Invalid, 6046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2733 IncrementalHoareTripleChecker+Valid, 3313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:50:49,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5616 Valid, 7075 Invalid, 6046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2733 Valid, 3313 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2021-12-28 04:50:49,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11449 states. [2021-12-28 04:50:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11449 to 10062. [2021-12-28 04:50:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10062 states, 6714 states have (on average 1.241733690795353) internal successors, (8337), 6893 states have internal predecessors, (8337), 2689 states have call successors, (2689), 664 states have call predecessors, (2689), 656 states have return successors, (2705), 2625 states have call predecessors, (2705), 2686 states have call successors, (2705) [2021-12-28 04:50:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10062 states to 10062 states and 13731 transitions. [2021-12-28 04:50:50,229 INFO L78 Accepts]: Start accepts. Automaton has 10062 states and 13731 transitions. Word has length 120 [2021-12-28 04:50:50,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:50:50,229 INFO L470 AbstractCegarLoop]: Abstraction has 10062 states and 13731 transitions. [2021-12-28 04:50:50,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-28 04:50:50,230 INFO L276 IsEmpty]: Start isEmpty. Operand 10062 states and 13731 transitions. [2021-12-28 04:50:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-28 04:50:50,232 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:50,233 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:50:50,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:50:50,233 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)] === [2021-12-28 04:50:50,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:50,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1222009648, now seen corresponding path program 1 times [2021-12-28 04:50:50,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:50,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574690477] [2021-12-28 04:50:50,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:50,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:50:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 04:50:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:50:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:50:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-28 04:50:50,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:50,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574690477] [2021-12-28 04:50:50,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574690477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:50,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:50,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:50:50,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287441339] [2021-12-28 04:50:50,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:50,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:50:50,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:50,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:50:50,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:50:50,512 INFO L87 Difference]: Start difference. First operand 10062 states and 13731 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13)