./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:26:08,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:26:08,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:26:08,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:26:08,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:26:08,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:26:08,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:26:08,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:26:08,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:26:08,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:26:08,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:26:08,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:26:08,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:26:08,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:26:08,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:26:08,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:26:08,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:26:08,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:26:08,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:26:08,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:26:08,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:26:08,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:26:08,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:26:08,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:26:08,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:26:08,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:26:08,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:26:08,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:26:08,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:26:08,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:26:08,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:26:08,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:26:08,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:26:08,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:26:08,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:26:08,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:26:08,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:26:08,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:26:08,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:26:08,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:26:08,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:26:08,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:26:08,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:26:08,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:26:08,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:26:08,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:26:08,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:26:08,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:26:08,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:26:08,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:26:08,570 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:26:08,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:26:08,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:26:08,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:26:08,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:26:08,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:26:08,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:26:08,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:26:08,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:26:08,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:26:08,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:26:08,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:26:08,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:26:08,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:26:08,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:26:08,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:26:08,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:26:08,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:26:08,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:26:08,574 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:26:08,574 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:26:08,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:26:08,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:26:08,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-12-21 17:26:08,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:26:08,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:26:08,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:26:08,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:26:08,841 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:26:08,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-21 17:26:08,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cbbba864/fd13ef0db9444e17b8ebc8dec30e69d7/FLAGfff37beb2 [2021-12-21 17:26:09,727 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:26:09,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-21 17:26:09,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cbbba864/fd13ef0db9444e17b8ebc8dec30e69d7/FLAGfff37beb2 [2021-12-21 17:26:09,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cbbba864/fd13ef0db9444e17b8ebc8dec30e69d7 [2021-12-21 17:26:09,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:26:09,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:26:09,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:26:09,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:26:09,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:26:09,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:26:09" (1/1) ... [2021-12-21 17:26:09,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6e0e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:09, skipping insertion in model container [2021-12-21 17:26:09,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:26:09" (1/1) ... [2021-12-21 17:26:09,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:26:10,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:26:13,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-12-21 17:26:13,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-12-21 17:26:13,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-12-21 17:26:13,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-12-21 17:26:13,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:26:14,047 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:26:14,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-12-21 17:26:14,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-12-21 17:26:14,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-12-21 17:26:14,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-12-21 17:26:14,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:26:14,730 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:26:14,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14 WrapperNode [2021-12-21 17:26:14,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:26:14,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:26:14,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:26:14,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:26:14,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:14,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,368 INFO L137 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8524 [2021-12-21 17:26:15,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:26:15,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:26:15,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:26:15,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:26:15,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:26:15,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:26:15,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:26:15,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:26:15,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (1/1) ... [2021-12-21 17:26:15,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:26:15,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:26:15,869 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) [2021-12-21 17:26:15,930 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 [2021-12-21 17:26:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-21 17:26:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-21 17:26:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:26:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:26:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-21 17:26:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-21 17:26:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-21 17:26:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-21 17:26:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:26:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:26:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-21 17:26:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-21 17:26:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-21 17:26:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-21 17:26:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-21 17:26:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-21 17:26:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-21 17:26:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-21 17:26:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-21 17:26:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-21 17:26:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:26:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:26:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 17:26:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 17:26:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-21 17:26:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-21 17:26:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:26:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:26:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:26:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:26:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-21 17:26:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-21 17:26:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-21 17:26:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-21 17:26:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-21 17:26:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-21 17:26:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:26:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:26:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-21 17:26:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-21 17:26:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-21 17:26:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-21 17:26:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:26:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:26:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:26:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:26:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:26:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:26:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:26:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:26:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-21 17:26:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-21 17:26:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-21 17:26:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-21 17:26:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:26:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:26:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-21 17:26:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-21 17:26:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-21 17:26:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-21 17:26:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:26:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:26:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:26:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-21 17:26:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-21 17:26:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-12-21 17:26:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-12-21 17:26:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-21 17:26:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-21 17:26:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-21 17:26:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-21 17:26:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-21 17:26:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-21 17:26:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-21 17:26:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-21 17:26:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-21 17:26:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:26:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:26:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 17:26:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 17:26:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:26:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-21 17:26:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-21 17:26:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-21 17:26:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-21 17:26:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:26:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:26:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-21 17:26:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-21 17:26:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 17:26:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 17:26:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:26:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-21 17:26:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-21 17:26:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:26:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:26:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:26:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:26:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:26:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:26:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:26:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:26:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:26:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-21 17:26:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-21 17:26:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-21 17:26:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-21 17:26:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:26:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:26:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:26:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:26:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-21 17:26:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-21 17:26:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-21 17:26:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-21 17:26:15,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:26:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:26:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:26:15,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:26:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:26:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:26:15,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:26:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-21 17:26:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-21 17:26:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-21 17:26:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-21 17:26:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-21 17:26:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-21 17:26:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-21 17:26:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-21 17:26:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-21 17:26:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-21 17:26:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:26:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 17:26:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 17:26:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:26:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:26:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:26:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:26:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:26:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 17:26:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-21 17:26:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-21 17:26:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-21 17:26:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-21 17:26:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-21 17:26:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-21 17:26:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:26:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:26:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:26:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:26:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-21 17:26:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-21 17:26:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-21 17:26:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-21 17:26:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-21 17:26:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-21 17:26:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-21 17:26:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-21 17:26:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-21 17:26:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-21 17:26:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-21 17:26:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-21 17:26:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 17:26:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 17:26:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 17:26:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 17:26:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:26:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:26:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-21 17:26:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-21 17:26:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:26:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:26:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-21 17:26:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-21 17:26:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-21 17:26:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-21 17:26:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:26:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:26:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-21 17:26:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-21 17:26:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:26:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:26:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 17:26:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 17:26:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-21 17:26:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-21 17:26:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:26:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:26:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:26:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:26:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-21 17:26:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-21 17:26:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:26:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:26:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:26:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:26:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 17:26:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 17:26:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:26:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:26:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 17:26:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-21 17:26:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-21 17:26:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 17:26:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 17:26:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 17:26:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 17:26:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-21 17:26:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-21 17:26:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:26:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:26:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-21 17:26:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-21 17:26:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-21 17:26:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-21 17:26:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:26:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:26:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-21 17:26:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-21 17:26:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-21 17:26:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-21 17:26:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-21 17:26:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-21 17:26:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:26:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:26:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-21 17:26:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-21 17:26:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-21 17:26:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-21 17:26:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-21 17:26:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-21 17:26:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:26:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:26:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:26:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 17:26:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 17:26:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-21 17:26:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-21 17:26:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-21 17:26:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-21 17:26:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-21 17:26:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-21 17:26:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-21 17:26:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-21 17:26:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:26:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:26:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:26:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-21 17:26:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-21 17:26:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:26:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-21 17:26:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-21 17:26:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:26:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:26:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-21 17:26:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-21 17:26:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-21 17:26:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-21 17:26:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 17:26:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 17:26:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 17:26:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 17:26:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:26:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:26:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-21 17:26:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-21 17:26:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:26:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:26:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 17:26:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 17:26:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-21 17:26:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-21 17:26:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-12-21 17:26:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-12-21 17:26:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-21 17:26:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-21 17:26:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:26:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:26:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:26:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:26:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-12-21 17:26:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-12-21 17:26:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-21 17:26:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-21 17:26:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:26:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:26:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-21 17:26:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-21 17:26:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:26:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:26:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-21 17:26:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-21 17:26:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:26:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:26:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:26:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-21 17:26:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-21 17:26:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-21 17:26:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-21 17:26:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-21 17:26:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-21 17:26:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-21 17:26:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-21 17:26:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-21 17:26:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-21 17:26:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:26:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:26:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-21 17:26:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-21 17:26:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-21 17:26:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-21 17:26:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-21 17:26:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-21 17:26:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-21 17:26:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-21 17:26:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-21 17:26:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-21 17:26:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-21 17:26:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-21 17:26:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-21 17:26:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-21 17:26:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-12-21 17:26:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-12-21 17:26:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-21 17:26:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-21 17:26:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-21 17:26:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-21 17:26:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-21 17:26:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-21 17:26:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:26:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:26:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 17:26:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 17:26:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-21 17:26:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-21 17:26:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-21 17:26:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-21 17:26:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-21 17:26:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-21 17:26:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-21 17:26:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-21 17:26:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 17:26:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 17:26:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-21 17:26:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-21 17:26:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 17:26:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 17:26:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:26:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:26:16,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:26:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-21 17:26:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-21 17:26:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-21 17:26:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-21 17:26:17,292 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:26:17,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:26:17,507 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:26:25,471 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:26:25,604 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:26:25,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:26:25,619 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-21 17:26:25,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:26:25 BoogieIcfgContainer [2021-12-21 17:26:25,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:26:25,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:26:25,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:26:25,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:26:25,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:26:09" (1/3) ... [2021-12-21 17:26:25,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754c81b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:26:25, skipping insertion in model container [2021-12-21 17:26:25,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:26:14" (2/3) ... [2021-12-21 17:26:25,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754c81b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:26:25, skipping insertion in model container [2021-12-21 17:26:25,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:26:25" (3/3) ... [2021-12-21 17:26:25,631 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-21 17:26:25,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:26:25,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-21 17:26:25,670 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:26:25,675 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 [2021-12-21 17:26:25,675 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-21 17:26:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2021-12-21 17:26:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-21 17:26:25,730 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:26:25,731 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:26:25,732 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)] === [2021-12-21 17:26:25,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:26:25,735 INFO L85 PathProgramCache]: Analyzing trace with hash -653031862, now seen corresponding path program 1 times [2021-12-21 17:26:25,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:26:25,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431223122] [2021-12-21 17:26:25,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:26:25,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:26:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:26:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:26:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:26:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:26:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:26:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:26:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:26:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:26:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:26:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:26:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:26:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:26:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:26:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:26:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:26:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:26:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:26:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 17:26:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:26:26,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:26:26,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431223122] [2021-12-21 17:26:26,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431223122] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:26:26,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:26:26,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:26:26,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428467672] [2021-12-21 17:26:26,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:26:26,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:26:26,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:26:26,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:26:26,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:26:26,977 INFO L87 Difference]: Start difference. First operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-21 17:26:33,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:26:33,857 INFO L93 Difference]: Finished difference Result 9267 states and 13426 transitions. [2021-12-21 17:26:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:26:33,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2021-12-21 17:26:33,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:26:33,900 INFO L225 Difference]: With dead ends: 9267 [2021-12-21 17:26:33,901 INFO L226 Difference]: Without dead ends: 6180 [2021-12-21 17:26:33,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:26:33,927 INFO L933 BasicCegarLoop]: 4339 mSDtfsCounter, 5382 mSDsluCounter, 4458 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 2790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6129 SdHoareTripleChecker+Valid, 8797 SdHoareTripleChecker+Invalid, 5848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2790 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-21 17:26:33,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6129 Valid, 8797 Invalid, 5848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2790 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-21 17:26:33,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-12-21 17:26:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5962. [2021-12-21 17:26:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 3992 states have (on average 1.2567635270541082) internal successors, (5017), 4073 states have internal predecessors, (5017), 1639 states have call successors, (1639), 329 states have call predecessors, (1639), 328 states have return successors, (1635), 1613 states have call predecessors, (1635), 1635 states have call successors, (1635) [2021-12-21 17:26:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2021-12-21 17:26:34,218 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2021-12-21 17:26:34,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:26:34,219 INFO L470 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2021-12-21 17:26:34,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-21 17:26:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2021-12-21 17:26:34,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-21 17:26:34,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:26:34,223 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:26:34,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:26:34,223 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)] === [2021-12-21 17:26:34,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:26:34,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1601171312, now seen corresponding path program 1 times [2021-12-21 17:26:34,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:26:34,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765748614] [2021-12-21 17:26:34,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:26:34,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:26:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:26:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:26:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:26:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:26:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:26:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:26:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:26:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:26:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:26:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:26:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:26:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:26:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:26:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:26:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:26:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:26:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:26:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-21 17:26:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:26:34,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:26:34,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765748614] [2021-12-21 17:26:34,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765748614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:26:34,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:26:34,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 17:26:34,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825067548] [2021-12-21 17:26:34,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:26:34,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 17:26:34,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:26:34,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 17:26:34,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-21 17:26:34,712 INFO L87 Difference]: Start difference. First operand 5962 states and 8291 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-21 17:26:45,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:26:45,865 INFO L93 Difference]: Finished difference Result 22273 states and 31103 transitions. [2021-12-21 17:26:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 17:26:45,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 206 [2021-12-21 17:26:45,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:26:45,946 INFO L225 Difference]: With dead ends: 22273 [2021-12-21 17:26:45,946 INFO L226 Difference]: Without dead ends: 16348 [2021-12-21 17:26:45,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:26:45,974 INFO L933 BasicCegarLoop]: 4663 mSDtfsCounter, 9533 mSDsluCounter, 8388 mSDsCounter, 0 mSdLazyCounter, 10554 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10805 SdHoareTripleChecker+Valid, 13051 SdHoareTripleChecker+Invalid, 14907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 10554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-12-21 17:26:45,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10805 Valid, 13051 Invalid, 14907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4353 Valid, 10554 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2021-12-21 17:26:45,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-12-21 17:26:46,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 15636. [2021-12-21 17:26:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15636 states, 10382 states have (on average 1.2547678674629166) internal successors, (13027), 10605 states have internal predecessors, (13027), 4295 states have call successors, (4295), 957 states have call predecessors, (4295), 956 states have return successors, (4307), 4209 states have call predecessors, (4307), 4291 states have call successors, (4307) [2021-12-21 17:26:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15636 states to 15636 states and 21629 transitions. [2021-12-21 17:26:46,550 INFO L78 Accepts]: Start accepts. Automaton has 15636 states and 21629 transitions. Word has length 206 [2021-12-21 17:26:46,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:26:46,551 INFO L470 AbstractCegarLoop]: Abstraction has 15636 states and 21629 transitions. [2021-12-21 17:26:46,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-21 17:26:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 15636 states and 21629 transitions. [2021-12-21 17:26:46,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-21 17:26:46,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:26:46,557 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:26:46,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:26:46,557 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)] === [2021-12-21 17:26:46,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:26:46,558 INFO L85 PathProgramCache]: Analyzing trace with hash 978146363, now seen corresponding path program 1 times [2021-12-21 17:26:46,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:26:46,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246338262] [2021-12-21 17:26:46,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:26:46,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:26:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:26:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:26:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:26:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:26:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:26:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:26:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:26:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:26:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:26:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:26:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:26:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:26:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:46,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:26:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:26:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:26:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:26:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:26:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-21 17:26:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 17:26:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:26:47,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:26:47,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246338262] [2021-12-21 17:26:47,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246338262] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:26:47,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:26:47,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:26:47,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616585758] [2021-12-21 17:26:47,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:26:47,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:26:47,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:26:47,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:26:47,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:26:47,078 INFO L87 Difference]: Start difference. First operand 15636 states and 21629 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-21 17:26:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:26:53,208 INFO L93 Difference]: Finished difference Result 47978 states and 67201 transitions. [2021-12-21 17:26:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:26:53,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 216 [2021-12-21 17:26:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:26:53,363 INFO L225 Difference]: With dead ends: 47978 [2021-12-21 17:26:53,364 INFO L226 Difference]: Without dead ends: 32379 [2021-12-21 17:26:53,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:26:53,437 INFO L933 BasicCegarLoop]: 4944 mSDtfsCounter, 5373 mSDsluCounter, 4976 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6095 SdHoareTripleChecker+Valid, 9920 SdHoareTripleChecker+Invalid, 5793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2744 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-21 17:26:53,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6095 Valid, 9920 Invalid, 5793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2744 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-21 17:26:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32379 states. [2021-12-21 17:26:54,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32379 to 32237. [2021-12-21 17:26:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32237 states, 21571 states have (on average 1.2574289555421632) internal successors, (27124), 22081 states have internal predecessors, (27124), 8662 states have call successors, (8662), 1906 states have call predecessors, (8662), 2001 states have return successors, (9594), 8557 states have call predecessors, (9594), 8658 states have call successors, (9594) [2021-12-21 17:26:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45380 transitions. [2021-12-21 17:26:54,636 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45380 transitions. Word has length 216 [2021-12-21 17:26:54,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:26:54,637 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45380 transitions. [2021-12-21 17:26:54,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-21 17:26:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45380 transitions. [2021-12-21 17:26:54,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-21 17:26:54,640 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:26:54,640 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:26:54,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:26:54,640 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)] === [2021-12-21 17:26:54,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:26:54,641 INFO L85 PathProgramCache]: Analyzing trace with hash 22260385, now seen corresponding path program 1 times [2021-12-21 17:26:54,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:26:54,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343643512] [2021-12-21 17:26:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:26:54,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:26:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:26:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:26:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:26:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:26:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:26:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:26:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:26:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:26:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:26:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:26:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:26:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:26:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:26:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:26:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:26:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:26:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:54,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:26:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 17:26:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 17:26:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:26:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:26:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:26:55,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:26:55,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343643512] [2021-12-21 17:26:55,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343643512] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:26:55,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:26:55,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:26:55,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347571198] [2021-12-21 17:26:55,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:26:55,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:26:55,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:26:55,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:26:55,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:26:55,024 INFO L87 Difference]: Start difference. First operand 32237 states and 45380 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-21 17:27:02,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:27:02,021 INFO L93 Difference]: Finished difference Result 96383 states and 136618 transitions. [2021-12-21 17:27:02,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:27:02,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 217 [2021-12-21 17:27:02,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:27:02,312 INFO L225 Difference]: With dead ends: 96383 [2021-12-21 17:27:02,313 INFO L226 Difference]: Without dead ends: 64183 [2021-12-21 17:27:02,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:27:02,421 INFO L933 BasicCegarLoop]: 4971 mSDtfsCounter, 5356 mSDsluCounter, 4972 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6078 SdHoareTripleChecker+Valid, 9943 SdHoareTripleChecker+Invalid, 5779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2730 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-21 17:27:02,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6078 Valid, 9943 Invalid, 5779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2730 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-21 17:27:02,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64183 states. [2021-12-21 17:27:04,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64183 to 63919. [2021-12-21 17:27:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63919 states, 42809 states have (on average 1.2575860216309656) internal successors, (53836), 43829 states have internal predecessors, (53836), 17160 states have call successors, (17160), 3780 states have call predecessors, (17160), 3947 states have return successors, (19848), 16927 states have call predecessors, (19848), 17156 states have call successors, (19848) [2021-12-21 17:27:04,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63919 states to 63919 states and 90844 transitions. [2021-12-21 17:27:04,883 INFO L78 Accepts]: Start accepts. Automaton has 63919 states and 90844 transitions. Word has length 217 [2021-12-21 17:27:04,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:27:04,884 INFO L470 AbstractCegarLoop]: Abstraction has 63919 states and 90844 transitions. [2021-12-21 17:27:04,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-21 17:27:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 63919 states and 90844 transitions. [2021-12-21 17:27:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-21 17:27:04,888 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:27:04,888 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:27:04,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 17:27:04,889 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-21 17:27:04,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:27:04,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1818648166, now seen corresponding path program 1 times [2021-12-21 17:27:04,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:27:04,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572355086] [2021-12-21 17:27:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:27:04,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:27:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:27:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:27:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:27:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:27:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:27:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:27:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:27:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:27:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:27:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:27:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:27:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:27:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:27:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:27:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:27:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:27:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:27:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:27:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 17:27:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:27:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:27:05,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:27:05,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572355086] [2021-12-21 17:27:05,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572355086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:27:05,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:27:05,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:27:05,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407520635] [2021-12-21 17:27:05,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:27:05,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:27:05,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:27:05,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:27:05,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:27:05,324 INFO L87 Difference]: Start difference. First operand 63919 states and 90844 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)