./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-17 11:00:16,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:00:16,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:00:16,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:00:16,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:00:16,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:00:16,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:00:16,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:00:16,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:00:16,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:00:16,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:00:16,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:00:16,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:00:16,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:00:16,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:00:16,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:00:16,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:00:16,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:00:16,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:00:16,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:00:16,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:00:16,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:00:16,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:00:16,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:00:16,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:00:16,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:00:16,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:00:16,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:00:16,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:00:16,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:00:16,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:00:16,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:00:16,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:00:16,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:00:16,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:00:16,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:00:16,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:00:16,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:00:16,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:00:16,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:00:16,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:00:16,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:00:16,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:00:16,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:00:16,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:00:16,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:00:16,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:00:16,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:00:16,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:00:16,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:00:16,733 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:00:16,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:00:16,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:00:16,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:00:16,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:00:16,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:00:16,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:00:16,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:00:16,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:00:16,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:00:16,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:00:16,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:00:16,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:00:16,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:00:16,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:00:16,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:00:16,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:00:16,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:00:16,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:00:16,736 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:00:16,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:00:16,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:00:16,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:00:16,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-11-17 11:00:16,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:00:16,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:00:16,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:00:16,950 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:00:16,950 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:00:16,951 INFO L432 ainManager$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 [2021-11-17 11:00:17,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680f4a5a3/23621e5aa1634cd6957ce82377acbe70/FLAGe5b8cf976 [2021-11-17 11:00:17,834 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:00:17,835 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 [2021-11-17 11:00:17,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680f4a5a3/23621e5aa1634cd6957ce82377acbe70/FLAGe5b8cf976 [2021-11-17 11:00:17,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680f4a5a3/23621e5aa1634cd6957ce82377acbe70 [2021-11-17 11:00:18,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:00:18,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:00:18,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:00:18,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:00:18,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:00:18,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:00:18" (1/1) ... [2021-11-17 11:00:18,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d24d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:18, skipping insertion in model container [2021-11-17 11:00:18,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:00:18" (1/1) ... [2021-11-17 11:00:18,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:00:18,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:00:23,141 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] [2021-11-17 11:00:23,144 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] [2021-11-17 11:00:23,145 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] [2021-11-17 11:00:23,145 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] [2021-11-17 11:00:23,172 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:00:23,256 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:00:23,609 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] [2021-11-17 11:00:23,611 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] [2021-11-17 11:00:23,611 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] [2021-11-17 11:00:23,611 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] [2021-11-17 11:00:23,620 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:00:23,898 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:00:23,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23 WrapperNode [2021-11-17 11:00:23,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:00:23,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:00:23,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:00:23,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:00:23,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,334 INFO L137 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8515 [2021-11-17 11:00:24,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:00:24,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:00:24,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:00:24,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:00:24,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:00:24,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:00:24,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:00:24,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:00:24,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (1/1) ... [2021-11-17 11:00:24,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:00:24,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:00:24,744 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) [2021-11-17 11:00:24,759 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 [2021-11-17 11:00:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 11:00:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 11:00:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 11:00:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 11:00:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-17 11:00:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-17 11:00:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-17 11:00:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-17 11:00:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:00:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:00:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-11-17 11:00:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-11-17 11:00:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-11-17 11:00:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-11-17 11:00:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-17 11:00:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-17 11:00:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-11-17 11:00:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-11-17 11:00:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-11-17 11:00:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-11-17 11:00:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:00:24,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:00:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 11:00:24,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 11:00:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-11-17 11:00:24,789 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-11-17 11:00:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 11:00:24,789 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 11:00:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 11:00:24,790 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 11:00:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-11-17 11:00:24,790 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-11-17 11:00:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-11-17 11:00:24,790 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-11-17 11:00:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-11-17 11:00:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-11-17 11:00:24,791 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 11:00:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 11:00:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-11-17 11:00:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-11-17 11:00:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-11-17 11:00:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-11-17 11:00:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 11:00:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 11:00:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:00:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:00:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 11:00:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 11:00:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 11:00:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 11:00:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-11-17 11:00:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-11-17 11:00:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-11-17 11:00:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-11-17 11:00:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:00:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:00:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-11-17 11:00:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-11-17 11:00:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 11:00:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 11:00:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:00:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 11:00:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 11:00:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-11-17 11:00:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-11-17 11:00:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-11-17 11:00:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-11-17 11:00:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-17 11:00:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-17 11:00:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 11:00:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 11:00:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-11-17 11:00:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-11-17 11:00:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-17 11:00:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-11-17 11:00:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-11-17 11:00:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 11:00:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 11:00:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 11:00:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 11:00:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:00:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-11-17 11:00:24,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-11-17 11:00:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-11-17 11:00:24,804 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-11-17 11:00:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 11:00:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 11:00:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-11-17 11:00:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-11-17 11:00:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 11:00:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 11:00:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:00:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-11-17 11:00:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-11-17 11:00:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:00:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:00:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:00:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 11:00:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 11:00:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:00:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:00:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 11:00:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 11:00:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-11-17 11:00:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-11-17 11:00:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-11-17 11:00:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-11-17 11:00:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 11:00:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 11:00:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:00:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:00:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-11-17 11:00:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-11-17 11:00:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-11-17 11:00:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-11-17 11:00:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 11:00:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 11:00:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:00:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:00:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:00:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 11:00:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 11:00:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 11:00:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 11:00:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-17 11:00:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-17 11:00:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-11-17 11:00:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-11-17 11:00:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 11:00:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 11:00:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-11-17 11:00:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-11-17 11:00:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:00:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 11:00:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 11:00:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:00:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:00:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 11:00:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 11:00:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:00:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 11:00:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-11-17 11:00:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-11-17 11:00:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-11-17 11:00:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-11-17 11:00:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-11-17 11:00:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-11-17 11:00:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:00:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:00:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:00:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:00:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-11-17 11:00:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-11-17 11:00:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-11-17 11:00:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-11-17 11:00:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-11-17 11:00:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-11-17 11:00:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-11-17 11:00:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-11-17 11:00:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-11-17 11:00:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-11-17 11:00:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 11:00:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 11:00:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 11:00:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 11:00:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 11:00:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 11:00:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 11:00:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 11:00:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-11-17 11:00:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-11-17 11:00:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 11:00:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 11:00:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-17 11:00:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-17 11:00:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-11-17 11:00:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-11-17 11:00:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 11:00:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 11:00:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-11-17 11:00:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-11-17 11:00:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:00:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:00:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 11:00:24,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-17 11:00:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:00:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-17 11:00:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:00:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:00:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 11:00:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 11:00:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 11:00:24,880 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-11-17 11:00:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-11-17 11:00:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 11:00:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 11:00:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 11:00:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 11:00:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 11:00:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 11:00:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 11:00:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-11-17 11:00:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-11-17 11:00:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-11-17 11:00:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 11:00:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-11-17 11:00:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 11:00:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-17 11:00:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-11-17 11:00:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:00:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 11:00:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 11:00:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-11-17 11:00:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-17 11:00:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 11:00:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 11:00:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-11-17 11:00:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-11-17 11:00:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 11:00:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-11-17 11:00:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 11:00:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-11-17 11:00:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:00:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 11:00:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 11:00:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-17 11:00:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-17 11:00:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-11-17 11:00:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-11-17 11:00:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-11-17 11:00:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-11-17 11:00:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-11-17 11:00:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-11-17 11:00:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-11-17 11:00:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-11-17 11:00:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-11-17 11:00:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-11-17 11:00:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-11-17 11:00:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-11-17 11:00:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 11:00:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 11:00:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 11:00:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 11:00:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:00:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:00:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-17 11:00:24,899 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-17 11:00:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-17 11:00:24,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-17 11:00:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-11-17 11:00:24,899 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-11-17 11:00:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-11-17 11:00:24,899 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-11-17 11:00:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-17 11:00:24,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-17 11:00:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 11:00:24,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 11:00:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-17 11:00:24,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-17 11:00:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 11:00:24,900 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 11:00:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:00:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:00:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:00:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-17 11:00:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-17 11:00:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-11-17 11:00:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-11-17 11:00:25,810 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:00:25,816 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:00:25,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 11:00:35,482 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 11:00:35,629 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 11:00:35,649 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 11:00:35,650 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-17 11:00:35,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:00:35 BoogieIcfgContainer [2021-11-17 11:00:35,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 11:00:35,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 11:00:35,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 11:00:35,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 11:00:35,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:00:18" (1/3) ... [2021-11-17 11:00:35,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1793e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:00:35, skipping insertion in model container [2021-11-17 11:00:35,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:00:23" (2/3) ... [2021-11-17 11:00:35,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1793e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:00:35, skipping insertion in model container [2021-11-17 11:00:35,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:00:35" (3/3) ... [2021-11-17 11:00:35,662 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-11-17 11:00:35,666 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 11:00:35,667 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 11:00:35,718 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 11:00:35,723 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 11:00:35,724 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 11:00:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2021-11-17 11:00:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-17 11:00:35,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:00:35,800 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:00:35,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:00:35,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:00:35,805 INFO L85 PathProgramCache]: Analyzing trace with hash -653031862, now seen corresponding path program 1 times [2021-11-17 11:00:35,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:00:35,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390585688] [2021-11-17 11:00:35,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:00:35,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:00:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:00:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:00:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:00:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:00:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:00:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:00:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:00:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:00:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:00:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:00:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:00:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:00:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:00:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:00:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:00:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:00:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 11:00:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 11:00:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 11:00:37,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:00:37,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390585688] [2021-11-17 11:00:37,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390585688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:00:37,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:00:37,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:00:37,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979009895] [2021-11-17 11:00:37,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:00:37,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:00:37,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:00:37,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:00:37,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:00:37,175 INFO L87 Difference]: Start difference. First operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:00:44,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:00:44,662 INFO L93 Difference]: Finished difference Result 9267 states and 13426 transitions. [2021-11-17 11:00:44,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:00:44,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2021-11-17 11:00:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:00:44,791 INFO L225 Difference]: With dead ends: 9267 [2021-11-17 11:00:44,791 INFO L226 Difference]: Without dead ends: 6180 [2021-11-17 11:00:44,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:00:44,823 INFO L933 BasicCegarLoop]: 4338 mSDtfsCounter, 5382 mSDsluCounter, 4457 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 2790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6130 SdHoareTripleChecker+Valid, 8795 SdHoareTripleChecker+Invalid, 5848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2790 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-17 11:00:44,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6130 Valid, 8795 Invalid, 5848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2790 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-11-17 11:00:44,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-11-17 11:00:45,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5962. [2021-11-17 11:00:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 3992 states have (on average 1.2567635270541082) internal successors, (5017), 4073 states have internal predecessors, (5017), 1639 states have call successors, (1639), 329 states have call predecessors, (1639), 328 states have return successors, (1635), 1613 states have call predecessors, (1635), 1635 states have call successors, (1635) [2021-11-17 11:00:45,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2021-11-17 11:00:45,293 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2021-11-17 11:00:45,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:00:45,297 INFO L470 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2021-11-17 11:00:45,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:00:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2021-11-17 11:00:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-17 11:00:45,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:00:45,307 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:00:45,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 11:00:45,308 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:00:45,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:00:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1601171312, now seen corresponding path program 1 times [2021-11-17 11:00:45,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:00:45,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346998116] [2021-11-17 11:00:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:00:45,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:00:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:00:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:00:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:00:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:00:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:00:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:00:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:00:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:00:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:00:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:00:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:00:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:00:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:00:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:00:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:00:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:00:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 11:00:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 11:00:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 11:00:45,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:00:45,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346998116] [2021-11-17 11:00:45,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346998116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:00:45,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:00:45,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 11:00:45,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105722466] [2021-11-17 11:00:45,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:00:45,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 11:00:45,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:00:45,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 11:00:45,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 11:00:45,994 INFO L87 Difference]: Start difference. First operand 5962 states and 8291 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:00:59,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:00:59,616 INFO L93 Difference]: Finished difference Result 22273 states and 31103 transitions. [2021-11-17 11:00:59,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 11:00:59,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 206 [2021-11-17 11:00:59,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:00:59,737 INFO L225 Difference]: With dead ends: 22273 [2021-11-17 11:00:59,738 INFO L226 Difference]: Without dead ends: 16348 [2021-11-17 11:00:59,773 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 [2021-11-17 11:00:59,774 INFO L933 BasicCegarLoop]: 4661 mSDtfsCounter, 9533 mSDsluCounter, 8378 mSDsCounter, 0 mSdLazyCounter, 10556 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10805 SdHoareTripleChecker+Valid, 13039 SdHoareTripleChecker+Invalid, 14909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 10556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-11-17 11:00:59,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10805 Valid, 13039 Invalid, 14909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4353 Valid, 10556 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2021-11-17 11:00:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-11-17 11:01:00,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 15636. [2021-11-17 11:01:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15636 states, 10382 states have (on average 1.2547678674629166) internal successors, (13027), 10605 states have internal predecessors, (13027), 4295 states have call successors, (4295), 957 states have call predecessors, (4295), 956 states have return successors, (4307), 4209 states have call predecessors, (4307), 4291 states have call successors, (4307) [2021-11-17 11:01:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15636 states to 15636 states and 21629 transitions. [2021-11-17 11:01:00,618 INFO L78 Accepts]: Start accepts. Automaton has 15636 states and 21629 transitions. Word has length 206 [2021-11-17 11:01:00,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:01:00,620 INFO L470 AbstractCegarLoop]: Abstraction has 15636 states and 21629 transitions. [2021-11-17 11:01:00,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:01:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 15636 states and 21629 transitions. [2021-11-17 11:01:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-17 11:01:00,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:01:00,625 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:01:00,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:01:00,626 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:01:00,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:01:00,626 INFO L85 PathProgramCache]: Analyzing trace with hash 978146363, now seen corresponding path program 1 times [2021-11-17 11:01:00,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:01:00,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364372843] [2021-11-17 11:01:00,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:01:00,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:01:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:01:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:01:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:01:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:01:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:01:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:01:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:00,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:01:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:01:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:01:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:01:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:01:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:01:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:01:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:01:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:01:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:01:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 11:01:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 11:01:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-17 11:01:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 11:01:01,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:01:01,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364372843] [2021-11-17 11:01:01,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364372843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:01:01,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:01:01,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:01:01,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069643700] [2021-11-17 11:01:01,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:01:01,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:01:01,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:01:01,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:01:01,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:01:01,340 INFO L87 Difference]: Start difference. First operand 15636 states and 21629 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-17 11:01:08,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:01:08,346 INFO L93 Difference]: Finished difference Result 47978 states and 67201 transitions. [2021-11-17 11:01:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:01:08,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 216 [2021-11-17 11:01:08,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:01:08,541 INFO L225 Difference]: With dead ends: 47978 [2021-11-17 11:01:08,541 INFO L226 Difference]: Without dead ends: 32379 [2021-11-17 11:01:08,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:01:08,628 INFO L933 BasicCegarLoop]: 4479 mSDtfsCounter, 5378 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6099 SdHoareTripleChecker+Valid, 9054 SdHoareTripleChecker+Invalid, 5863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2814 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:01:08,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6099 Valid, 9054 Invalid, 5863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2814 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-11-17 11:01:08,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32379 states. [2021-11-17 11:01:10,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32379 to 32237. [2021-11-17 11:01:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32237 states, 21571 states have (on average 1.2574289555421632) internal successors, (27124), 22081 states have internal predecessors, (27124), 8662 states have call successors, (8662), 1906 states have call predecessors, (8662), 2001 states have return successors, (9594), 8557 states have call predecessors, (9594), 8658 states have call successors, (9594) [2021-11-17 11:01:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45380 transitions. [2021-11-17 11:01:10,518 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45380 transitions. Word has length 216 [2021-11-17 11:01:10,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:01:10,519 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45380 transitions. [2021-11-17 11:01:10,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-17 11:01:10,519 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45380 transitions. [2021-11-17 11:01:10,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-17 11:01:10,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:01:10,524 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:01:10,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:01:10,524 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:01:10,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:01:10,525 INFO L85 PathProgramCache]: Analyzing trace with hash 22260385, now seen corresponding path program 1 times [2021-11-17 11:01:10,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:01:10,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035321961] [2021-11-17 11:01:10,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:01:10,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:01:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:01:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:01:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:01:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:01:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:01:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:01:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:01:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:01:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:01:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:01:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:01:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:01:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:01:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:01:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:01:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:01:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 11:01:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:11,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 11:01:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:11,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 11:01:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 11:01:11,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:01:11,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035321961] [2021-11-17 11:01:11,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035321961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:01:11,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:01:11,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:01:11,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971337820] [2021-11-17 11:01:11,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:01:11,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:01:11,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:01:11,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:01:11,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:01:11,026 INFO L87 Difference]: Start difference. First operand 32237 states and 45380 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-17 11:01:18,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:01:18,742 INFO L93 Difference]: Finished difference Result 96383 states and 136618 transitions. [2021-11-17 11:01:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:01:18,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 217 [2021-11-17 11:01:18,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:01:19,180 INFO L225 Difference]: With dead ends: 96383 [2021-11-17 11:01:19,181 INFO L226 Difference]: Without dead ends: 64183 [2021-11-17 11:01:19,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:01:19,453 INFO L933 BasicCegarLoop]: 4958 mSDtfsCounter, 5364 mSDsluCounter, 4977 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6086 SdHoareTripleChecker+Valid, 9935 SdHoareTripleChecker+Invalid, 5788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2739 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-17 11:01:19,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6086 Valid, 9935 Invalid, 5788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2739 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-11-17 11:01:19,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64183 states. [2021-11-17 11:01:22,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64183 to 63919. [2021-11-17 11:01:22,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63919 states, 42809 states have (on average 1.2575860216309656) internal successors, (53836), 43829 states have internal predecessors, (53836), 17160 states have call successors, (17160), 3780 states have call predecessors, (17160), 3947 states have return successors, (19848), 16927 states have call predecessors, (19848), 17156 states have call successors, (19848) [2021-11-17 11:01:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63919 states to 63919 states and 90844 transitions. [2021-11-17 11:01:23,147 INFO L78 Accepts]: Start accepts. Automaton has 63919 states and 90844 transitions. Word has length 217 [2021-11-17 11:01:23,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:01:23,148 INFO L470 AbstractCegarLoop]: Abstraction has 63919 states and 90844 transitions. [2021-11-17 11:01:23,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-17 11:01:23,149 INFO L276 IsEmpty]: Start isEmpty. Operand 63919 states and 90844 transitions. [2021-11-17 11:01:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-17 11:01:23,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:01:23,153 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:01:23,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:01:23,154 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:01:23,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:01:23,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1818648166, now seen corresponding path program 1 times [2021-11-17 11:01:23,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:01:23,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971271701] [2021-11-17 11:01:23,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:01:23,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:01:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:01:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:01:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:01:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:01:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:01:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:01:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:01:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:01:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:01:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:01:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:01:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:01:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:01:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:01:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:01:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:01:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 11:01:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 11:01:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 11:01:23,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:01:23,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971271701] [2021-11-17 11:01:23,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971271701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:01:23,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:01:23,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:01:23,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422411348] [2021-11-17 11:01:23,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:01:23,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:01:23,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:01:23,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:01:23,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:01:23,991 INFO L87 Difference]: Start difference. First operand 63919 states and 90844 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:01:31,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:01:31,871 INFO L93 Difference]: Finished difference Result 130302 states and 184782 transitions. [2021-11-17 11:01:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:01:31,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 215 [2021-11-17 11:01:31,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:01:32,251 INFO L225 Difference]: With dead ends: 130302 [2021-11-17 11:01:32,251 INFO L226 Difference]: Without dead ends: 66420 [2021-11-17 11:01:32,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:01:32,548 INFO L933 BasicCegarLoop]: 5283 mSDtfsCounter, 4515 mSDsluCounter, 4947 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 2431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5159 SdHoareTripleChecker+Valid, 10230 SdHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2431 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-17 11:01:32,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5159 Valid, 10230 Invalid, 5438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2431 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-17 11:01:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66420 states. [2021-11-17 11:01:34,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66420 to 66133. [2021-11-17 11:01:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66133 states, 44180 states have (on average 1.2464010864644635) internal successors, (55066), 45265 states have internal predecessors, (55066), 17672 states have call successors, (17672), 4089 states have call predecessors, (17672), 4278 states have return successors, (20592), 17405 states have call predecessors, (20592), 17668 states have call successors, (20592) [2021-11-17 11:01:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66133 states to 66133 states and 93330 transitions. [2021-11-17 11:01:35,355 INFO L78 Accepts]: Start accepts. Automaton has 66133 states and 93330 transitions. Word has length 215 [2021-11-17 11:01:35,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:01:35,359 INFO L470 AbstractCegarLoop]: Abstraction has 66133 states and 93330 transitions. [2021-11-17 11:01:35,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:01:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 66133 states and 93330 transitions. [2021-11-17 11:01:35,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-17 11:01:35,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:01:35,363 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:01:35,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 11:01:35,364 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:01:35,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:01:35,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1625132848, now seen corresponding path program 1 times [2021-11-17 11:01:35,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:01:35,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385086489] [2021-11-17 11:01:35,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:01:35,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:01:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:01:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:01:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:01:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:01:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:01:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:01:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:01:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:01:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:01:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:01:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:01:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:01:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:01:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:01:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:01:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:01:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 11:01:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 11:01:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 11:01:36,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:01:36,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385086489] [2021-11-17 11:01:36,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385086489] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:01:36,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:01:36,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:01:36,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031671247] [2021-11-17 11:01:36,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:01:36,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:01:36,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:01:36,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:01:36,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:01:36,107 INFO L87 Difference]: Start difference. First operand 66133 states and 93330 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:01:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:01:45,281 INFO L93 Difference]: Finished difference Result 188878 states and 265013 transitions. [2021-11-17 11:01:45,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:01:45,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 216 [2021-11-17 11:01:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:01:46,015 INFO L225 Difference]: With dead ends: 188878 [2021-11-17 11:01:46,015 INFO L226 Difference]: Without dead ends: 122782 [2021-11-17 11:01:46,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:01:46,750 INFO L933 BasicCegarLoop]: 5318 mSDtfsCounter, 4590 mSDsluCounter, 4613 mSDsCounter, 0 mSdLazyCounter, 3214 mSolverCounterSat, 2555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5310 SdHoareTripleChecker+Valid, 9931 SdHoareTripleChecker+Invalid, 5769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2555 IncrementalHoareTripleChecker+Valid, 3214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-17 11:01:46,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5310 Valid, 9931 Invalid, 5769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2555 Valid, 3214 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-11-17 11:01:46,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122782 states. [2021-11-17 11:01:50,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122782 to 122300. [2021-11-17 11:01:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122300 states, 81432 states have (on average 1.238395225464191) internal successors, (100845), 83494 states have internal predecessors, (100845), 32688 states have call successors, (32688), 7800 states have call predecessors, (32688), 8177 states have return successors, (36701), 32186 states have call predecessors, (36701), 32684 states have call successors, (36701) [2021-11-17 11:01:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122300 states to 122300 states and 170234 transitions. [2021-11-17 11:01:51,585 INFO L78 Accepts]: Start accepts. Automaton has 122300 states and 170234 transitions. Word has length 216 [2021-11-17 11:01:51,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:01:51,586 INFO L470 AbstractCegarLoop]: Abstraction has 122300 states and 170234 transitions. [2021-11-17 11:01:51,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:01:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 122300 states and 170234 transitions. [2021-11-17 11:01:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-17 11:01:51,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:01:51,591 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:01:51,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 11:01:51,592 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:01:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:01:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2075112903, now seen corresponding path program 1 times [2021-11-17 11:01:51,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:01:51,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732811801] [2021-11-17 11:01:51,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:01:51,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:01:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:01:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:01:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:01:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:01:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:01:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:01:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:01:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:01:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:01:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:01:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:01:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:01:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:01:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:01:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:01:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:01:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 11:01:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 11:01:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-17 11:01:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 11:01:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-11-17 11:01:52,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:01:52,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732811801] [2021-11-17 11:01:52,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732811801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:01:52,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:01:52,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 11:01:52,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273914381] [2021-11-17 11:01:52,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:01:52,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 11:01:52,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:01:52,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 11:01:52,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 11:01:52,085 INFO L87 Difference]: Start difference. First operand 122300 states and 170234 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-17 11:02:12,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:02:12,616 INFO L93 Difference]: Finished difference Result 423698 states and 590729 transitions. [2021-11-17 11:02:12,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 11:02:12,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2021-11-17 11:02:12,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:02:14,840 INFO L225 Difference]: With dead ends: 423698 [2021-11-17 11:02:14,840 INFO L226 Difference]: Without dead ends: 301435 [2021-11-17 11:02:15,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-17 11:02:15,421 INFO L933 BasicCegarLoop]: 5250 mSDtfsCounter, 12732 mSDsluCounter, 9168 mSDsCounter, 0 mSdLazyCounter, 10606 mSolverCounterSat, 6272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14140 SdHoareTripleChecker+Valid, 14418 SdHoareTripleChecker+Invalid, 16878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6272 IncrementalHoareTripleChecker+Valid, 10606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-11-17 11:02:15,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14140 Valid, 14418 Invalid, 16878 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6272 Valid, 10606 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2021-11-17 11:02:15,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301435 states.