./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.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 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:38:09,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:38:09,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:38:09,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:38:09,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:38:09,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:38:09,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:38:09,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:38:09,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:38:09,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:38:09,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:38:09,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:38:09,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:38:09,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:38:09,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:38:09,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:38:09,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:38:09,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:38:09,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:38:09,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:38:09,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:38:09,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:38:09,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:38:09,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:38:09,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:38:09,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:38:09,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:38:09,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:38:09,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:38:09,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:38:09,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:38:09,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:38:09,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:38:09,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:38:09,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:38:09,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:38:09,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:38:09,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:38:09,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:38:09,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:38:09,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:38:09,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:38:09,419 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:38:09,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:38:09,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:38:09,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:38:09,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:38:09,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:38:09,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:38:09,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:38:09,421 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:38:09,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:38:09,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:38:09,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:38:09,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:38:09,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:38:09,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:38:09,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:38:09,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:38:09,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:38:09,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:38:09,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:38:09,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:38:09,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:38:09,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:38:09,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:38:09,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:38:09,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:38:09,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:38:09,424 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:38:09,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:38:09,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:38:09,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:38:09,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b [2021-12-14 18:38:09,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:38:09,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:38:09,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:38:09,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:38:09,652 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:38:09,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2021-12-14 18:38:09,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114a57c6b/17225d7b923f49e8a5fcdf3e0af18c84/FLAG2fd617119 [2021-12-14 18:38:10,329 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:38:10,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2021-12-14 18:38:10,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114a57c6b/17225d7b923f49e8a5fcdf3e0af18c84/FLAG2fd617119 [2021-12-14 18:38:10,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114a57c6b/17225d7b923f49e8a5fcdf3e0af18c84 [2021-12-14 18:38:10,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:38:10,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:38:10,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:38:10,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:38:10,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:38:10,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:38:10" (1/1) ... [2021-12-14 18:38:10,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de6aa77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:10, skipping insertion in model container [2021-12-14 18:38:10,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:38:10" (1/1) ... [2021-12-14 18:38:10,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:38:10,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:38:12,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2021-12-14 18:38:12,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2021-12-14 18:38:12,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2021-12-14 18:38:12,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2021-12-14 18:38:12,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:38:12,390 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:38:12,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2021-12-14 18:38:12,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2021-12-14 18:38:12,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2021-12-14 18:38:12,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2021-12-14 18:38:12,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:38:12,782 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:38:12,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12 WrapperNode [2021-12-14 18:38:12,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:38:12,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:38:12,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:38:12,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:38:12,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:12,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,026 INFO L137 Inliner]: procedures = 454, calls = 1948, calls flagged for inlining = 238, calls inlined = 222, statements flattened = 5194 [2021-12-14 18:38:13,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:38:13,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:38:13,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:38:13,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:38:13,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:38:13,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:38:13,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:38:13,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:38:13,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (1/1) ... [2021-12-14 18:38:13,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:38:13,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:38:13,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:38:13,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:38:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2021-12-14 18:38:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2021-12-14 18:38:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-14 18:38:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-14 18:38:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:38:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:38:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:38:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:38:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:38:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:38:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:38:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:38:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:38:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:38:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:38:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:38:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:38:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:38:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:38:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:38:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 18:38:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 18:38:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2021-12-14 18:38:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2021-12-14 18:38:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-14 18:38:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-14 18:38:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2021-12-14 18:38:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2021-12-14 18:38:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2021-12-14 18:38:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2021-12-14 18:38:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:38:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:38:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:38:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:38:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2021-12-14 18:38:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2021-12-14 18:38:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:38:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:38:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:38:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:38:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:38:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:38:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:38:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:38:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:38:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:38:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:38:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:38:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2021-12-14 18:38:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2021-12-14 18:38:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2021-12-14 18:38:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2021-12-14 18:38:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2021-12-14 18:38:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2021-12-14 18:38:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:38:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:38:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:38:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2021-12-14 18:38:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2021-12-14 18:38:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2021-12-14 18:38:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2021-12-14 18:38:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:38:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:38:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sis900_private [2021-12-14 18:38:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sis900_private [2021-12-14 18:38:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:38:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:38:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:38:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:38:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2021-12-14 18:38:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2021-12-14 18:38:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:38:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-14 18:38:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-14 18:38:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sis900_private [2021-12-14 18:38:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sis900_private [2021-12-14 18:38:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:38:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:38:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:38:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:38:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:38:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:38:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:38:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:38:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:38:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:38:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2021-12-14 18:38:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2021-12-14 18:38:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2021-12-14 18:38:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2021-12-14 18:38:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:38:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:38:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:38:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:38:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:38:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:38:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:38:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:38:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:38:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:38:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:38:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-14 18:38:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-14 18:38:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2021-12-14 18:38:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2021-12-14 18:38:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:38:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:38:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2021-12-14 18:38:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2021-12-14 18:38:13,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:38:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:38:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:38:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:38:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:38:13,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:38:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-14 18:38:13,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-14 18:38:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:38:13,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:38:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2021-12-14 18:38:13,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2021-12-14 18:38:13,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:38:13,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:38:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:38:13,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:38:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:38:13,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:38:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:38:13,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:38:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2021-12-14 18:38:13,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2021-12-14 18:38:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:38:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:38:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:38:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:38:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 18:38:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 18:38:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:38:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:38:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2021-12-14 18:38:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2021-12-14 18:38:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-14 18:38:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-14 18:38:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:38:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:38:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:38:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2021-12-14 18:38:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2021-12-14 18:38:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:38:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:38:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:38:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2021-12-14 18:38:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2021-12-14 18:38:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:38:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-14 18:38:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-14 18:38:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:38:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:38:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:38:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:38:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2021-12-14 18:38:13,284 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2021-12-14 18:38:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 18:38:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 18:38:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-14 18:38:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-14 18:38:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2021-12-14 18:38:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2021-12-14 18:38:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:38:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:38:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:38:13,285 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:38:13,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-14 18:38:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-14 18:38:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:38:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:38:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:38:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:38:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2021-12-14 18:38:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2021-12-14 18:38:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:38:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:38:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:38:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-12-14 18:38:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-12-14 18:38:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2021-12-14 18:38:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2021-12-14 18:38:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2021-12-14 18:38:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2021-12-14 18:38:13,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:38:13,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:38:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:38:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:38:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:38:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:38:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:38:13,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:38:13,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:38:13,922 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:38:13,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:38:14,132 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:38:15,833 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:38:15,909 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:38:15,927 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:38:15,927 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:38:15,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:15 BoogieIcfgContainer [2021-12-14 18:38:15,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:38:15,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:38:15,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:38:15,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:38:15,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:38:10" (1/3) ... [2021-12-14 18:38:15,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8ffe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:38:15, skipping insertion in model container [2021-12-14 18:38:15,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:38:12" (2/3) ... [2021-12-14 18:38:15,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8ffe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:38:15, skipping insertion in model container [2021-12-14 18:38:15,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:15" (3/3) ... [2021-12-14 18:38:15,937 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2021-12-14 18:38:15,941 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:38:15,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:38:15,983 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:38:15,987 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:38:15,987 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:38:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 1960 states, 1339 states have (on average 1.2763256161314414) internal successors, (1709), 1366 states have internal predecessors, (1709), 526 states have call successors, (526), 93 states have call predecessors, (526), 92 states have return successors, (520), 512 states have call predecessors, (520), 520 states have call successors, (520) [2021-12-14 18:38:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-14 18:38:16,031 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:16,031 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:38:16,032 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:16,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:16,036 INFO L85 PathProgramCache]: Analyzing trace with hash -511834341, now seen corresponding path program 1 times [2021-12-14 18:38:16,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:16,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217732787] [2021-12-14 18:38:16,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:16,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-14 18:38:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-12-14 18:38:16,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:16,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217732787] [2021-12-14 18:38:16,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217732787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:16,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:16,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:38:16,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993818649] [2021-12-14 18:38:16,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:16,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:38:16,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:16,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:38:16,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:38:16,669 INFO L87 Difference]: Start difference. First operand has 1960 states, 1339 states have (on average 1.2763256161314414) internal successors, (1709), 1366 states have internal predecessors, (1709), 526 states have call successors, (526), 93 states have call predecessors, (526), 92 states have return successors, (520), 512 states have call predecessors, (520), 520 states have call successors, (520) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-14 18:38:20,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:20,383 INFO L93 Difference]: Finished difference Result 6068 states and 8742 transitions. [2021-12-14 18:38:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:38:20,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 149 [2021-12-14 18:38:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:20,415 INFO L225 Difference]: With dead ends: 6068 [2021-12-14 18:38:20,415 INFO L226 Difference]: Without dead ends: 4125 [2021-12-14 18:38:20,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:38:20,429 INFO L933 BasicCegarLoop]: 2860 mSDtfsCounter, 3789 mSDsluCounter, 2883 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 1749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4291 SdHoareTripleChecker+Valid, 5743 SdHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1749 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:20,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4291 Valid, 5743 Invalid, 3796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1749 Valid, 2047 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-14 18:38:20,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4125 states. [2021-12-14 18:38:20,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4125 to 3785. [2021-12-14 18:38:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3785 states, 2605 states have (on average 1.2706333973128598) internal successors, (3310), 2658 states have internal predecessors, (3310), 997 states have call successors, (997), 181 states have call predecessors, (997), 180 states have return successors, (993), 977 states have call predecessors, (993), 993 states have call successors, (993) [2021-12-14 18:38:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3785 states and 5300 transitions. [2021-12-14 18:38:20,602 INFO L78 Accepts]: Start accepts. Automaton has 3785 states and 5300 transitions. Word has length 149 [2021-12-14 18:38:20,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:20,603 INFO L470 AbstractCegarLoop]: Abstraction has 3785 states and 5300 transitions. [2021-12-14 18:38:20,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-14 18:38:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 5300 transitions. [2021-12-14 18:38:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-14 18:38:20,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:20,606 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:38:20,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:38:20,606 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:20,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:20,607 INFO L85 PathProgramCache]: Analyzing trace with hash 474246430, now seen corresponding path program 1 times [2021-12-14 18:38:20,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:20,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362805734] [2021-12-14 18:38:20,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:20,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 18:38:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:38:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-12-14 18:38:20,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:20,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362805734] [2021-12-14 18:38:20,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362805734] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:20,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:20,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:38:20,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050488755] [2021-12-14 18:38:20,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:20,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:38:20,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:20,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:38:20,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:38:20,931 INFO L87 Difference]: Start difference. First operand 3785 states and 5300 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-14 18:38:24,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:24,186 INFO L93 Difference]: Finished difference Result 11817 states and 16695 transitions. [2021-12-14 18:38:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:38:24,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 153 [2021-12-14 18:38:24,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:24,232 INFO L225 Difference]: With dead ends: 11817 [2021-12-14 18:38:24,232 INFO L226 Difference]: Without dead ends: 8059 [2021-12-14 18:38:24,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:38:24,251 INFO L933 BasicCegarLoop]: 2879 mSDtfsCounter, 3761 mSDsluCounter, 2856 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 1781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4253 SdHoareTripleChecker+Valid, 5735 SdHoareTripleChecker+Invalid, 3764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1781 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:24,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4253 Valid, 5735 Invalid, 3764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1781 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-14 18:38:24,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8059 states. [2021-12-14 18:38:24,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8059 to 7640. [2021-12-14 18:38:24,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7640 states, 5290 states have (on average 1.276937618147448) internal successors, (6755), 5406 states have internal predecessors, (6755), 1982 states have call successors, (1982), 360 states have call predecessors, (1982), 365 states have return successors, (2016), 1939 states have call predecessors, (2016), 1978 states have call successors, (2016) [2021-12-14 18:38:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7640 states to 7640 states and 10753 transitions. [2021-12-14 18:38:24,566 INFO L78 Accepts]: Start accepts. Automaton has 7640 states and 10753 transitions. Word has length 153 [2021-12-14 18:38:24,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:24,567 INFO L470 AbstractCegarLoop]: Abstraction has 7640 states and 10753 transitions. [2021-12-14 18:38:24,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-14 18:38:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 7640 states and 10753 transitions. [2021-12-14 18:38:24,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-14 18:38:24,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:24,571 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:38:24,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:38:24,571 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:24,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:24,573 INFO L85 PathProgramCache]: Analyzing trace with hash 501804944, now seen corresponding path program 1 times [2021-12-14 18:38:24,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:24,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730220017] [2021-12-14 18:38:24,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:24,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 18:38:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2021-12-14 18:38:24,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:24,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730220017] [2021-12-14 18:38:24,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730220017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:24,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:24,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:38:24,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129045897] [2021-12-14 18:38:24,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:24,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:38:24,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:24,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:38:24,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:38:24,796 INFO L87 Difference]: Start difference. First operand 7640 states and 10753 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-14 18:38:28,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:28,241 INFO L93 Difference]: Finished difference Result 22428 states and 31738 transitions. [2021-12-14 18:38:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:38:28,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 156 [2021-12-14 18:38:28,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:28,315 INFO L225 Difference]: With dead ends: 22428 [2021-12-14 18:38:28,315 INFO L226 Difference]: Without dead ends: 14815 [2021-12-14 18:38:28,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:38:28,352 INFO L933 BasicCegarLoop]: 2819 mSDtfsCounter, 3379 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 1722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 5645 SdHoareTripleChecker+Invalid, 3742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1722 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:28,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3828 Valid, 5645 Invalid, 3742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1722 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-14 18:38:28,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14815 states. [2021-12-14 18:38:28,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14815 to 13770. [2021-12-14 18:38:28,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13770 states, 9440 states have (on average 1.2742584745762713) internal successors, (12029), 9654 states have internal predecessors, (12029), 3634 states have call successors, (3634), 694 states have call predecessors, (3634), 693 states have return successors, (3674), 3543 states have call predecessors, (3674), 3630 states have call successors, (3674) [2021-12-14 18:38:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13770 states to 13770 states and 19337 transitions. [2021-12-14 18:38:28,861 INFO L78 Accepts]: Start accepts. Automaton has 13770 states and 19337 transitions. Word has length 156 [2021-12-14 18:38:28,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:28,862 INFO L470 AbstractCegarLoop]: Abstraction has 13770 states and 19337 transitions. [2021-12-14 18:38:28,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-14 18:38:28,863 INFO L276 IsEmpty]: Start isEmpty. Operand 13770 states and 19337 transitions. [2021-12-14 18:38:28,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-14 18:38:28,864 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:28,865 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 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] [2021-12-14 18:38:28,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:38:28,865 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:28,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:28,865 INFO L85 PathProgramCache]: Analyzing trace with hash -585811610, now seen corresponding path program 1 times [2021-12-14 18:38:28,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:28,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393096361] [2021-12-14 18:38:28,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:28,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:38:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:38:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2021-12-14 18:38:29,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:29,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393096361] [2021-12-14 18:38:29,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393096361] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:29,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:29,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:38:29,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576134366] [2021-12-14 18:38:29,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:29,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:38:29,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:29,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:38:29,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:38:29,179 INFO L87 Difference]: Start difference. First operand 13770 states and 19337 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-14 18:38:35,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:35,046 INFO L93 Difference]: Finished difference Result 29551 states and 41525 transitions. [2021-12-14 18:38:35,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:38:35,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 165 [2021-12-14 18:38:35,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:35,097 INFO L225 Difference]: With dead ends: 29551 [2021-12-14 18:38:35,097 INFO L226 Difference]: Without dead ends: 15808 [2021-12-14 18:38:35,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:38:35,133 INFO L933 BasicCegarLoop]: 3894 mSDtfsCounter, 10225 mSDsluCounter, 3873 mSDsCounter, 0 mSdLazyCounter, 4758 mSolverCounterSat, 5678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10927 SdHoareTripleChecker+Valid, 7767 SdHoareTripleChecker+Invalid, 10436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5678 IncrementalHoareTripleChecker+Valid, 4758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:35,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10927 Valid, 7767 Invalid, 10436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5678 Valid, 4758 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-12-14 18:38:35,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15808 states. [2021-12-14 18:38:35,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15808 to 14455. [2021-12-14 18:38:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14455 states, 10035 states have (on average 1.2740408570004982) internal successors, (12785), 10239 states have internal predecessors, (12785), 3614 states have call successors, (3614), 817 states have call predecessors, (3614), 803 states have return successors, (3627), 3509 states have call predecessors, (3627), 3610 states have call successors, (3627) [2021-12-14 18:38:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14455 states to 14455 states and 20026 transitions. [2021-12-14 18:38:35,551 INFO L78 Accepts]: Start accepts. Automaton has 14455 states and 20026 transitions. Word has length 165 [2021-12-14 18:38:35,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:35,552 INFO L470 AbstractCegarLoop]: Abstraction has 14455 states and 20026 transitions. [2021-12-14 18:38:35,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-14 18:38:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 14455 states and 20026 transitions. [2021-12-14 18:38:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-14 18:38:35,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:35,555 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 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] [2021-12-14 18:38:35,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:38:35,555 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:35,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:35,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1098294467, now seen corresponding path program 1 times [2021-12-14 18:38:35,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:35,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110935425] [2021-12-14 18:38:35,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:35,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:38:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:38:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:38:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:38:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:38:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 18:38:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:38:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2021-12-14 18:38:35,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:35,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110935425] [2021-12-14 18:38:35,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110935425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:35,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:35,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:38:35,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799220084] [2021-12-14 18:38:35,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:35,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:38:35,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:35,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:38:35,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:38:35,916 INFO L87 Difference]: Start difference. First operand 14455 states and 20026 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:38:38,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:38,472 INFO L93 Difference]: Finished difference Result 15744 states and 22057 transitions. [2021-12-14 18:38:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:38:38,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 205 [2021-12-14 18:38:38,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:38,575 INFO L225 Difference]: With dead ends: 15744 [2021-12-14 18:38:38,575 INFO L226 Difference]: Without dead ends: 15742 [2021-12-14 18:38:38,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:38:38,581 INFO L933 BasicCegarLoop]: 2521 mSDtfsCounter, 3016 mSDsluCounter, 4736 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 1267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3292 SdHoareTripleChecker+Valid, 7257 SdHoareTripleChecker+Invalid, 3669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:38,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3292 Valid, 7257 Invalid, 3669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-14 18:38:38,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15742 states. [2021-12-14 18:38:38,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15742 to 14459. [2021-12-14 18:38:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14459 states, 10038 states have (on average 1.2739589559673241) internal successors, (12788), 10242 states have internal predecessors, (12788), 3614 states have call successors, (3614), 818 states have call predecessors, (3614), 804 states have return successors, (3627), 3509 states have call predecessors, (3627), 3610 states have call successors, (3627) [2021-12-14 18:38:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14459 states to 14459 states and 20029 transitions. [2021-12-14 18:38:39,019 INFO L78 Accepts]: Start accepts. Automaton has 14459 states and 20029 transitions. Word has length 205 [2021-12-14 18:38:39,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:39,021 INFO L470 AbstractCegarLoop]: Abstraction has 14459 states and 20029 transitions. [2021-12-14 18:38:39,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:38:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 14459 states and 20029 transitions. [2021-12-14 18:38:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-14 18:38:39,024 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:39,024 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 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] [2021-12-14 18:38:39,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:38:39,025 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:39,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2033981501, now seen corresponding path program 1 times [2021-12-14 18:38:39,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:39,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867893800] [2021-12-14 18:38:39,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:39,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:38:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:38:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:38:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:38:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:38:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 18:38:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:38:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:38:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2021-12-14 18:38:39,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:39,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867893800] [2021-12-14 18:38:39,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867893800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:39,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:39,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:38:39,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700714388] [2021-12-14 18:38:39,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:39,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:38:39,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:39,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:38:39,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:38:39,409 INFO L87 Difference]: Start difference. First operand 14459 states and 20029 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-14 18:38:41,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:41,957 INFO L93 Difference]: Finished difference Result 15748 states and 22060 transitions. [2021-12-14 18:38:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:38:41,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 210 [2021-12-14 18:38:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:42,023 INFO L225 Difference]: With dead ends: 15748 [2021-12-14 18:38:42,023 INFO L226 Difference]: Without dead ends: 15746 [2021-12-14 18:38:42,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:38:42,037 INFO L933 BasicCegarLoop]: 2544 mSDtfsCounter, 2992 mSDsluCounter, 4777 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 1259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 7321 SdHoareTripleChecker+Invalid, 3664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1259 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:42,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3267 Valid, 7321 Invalid, 3664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1259 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-14 18:38:42,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15746 states. [2021-12-14 18:38:42,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15746 to 14463. [2021-12-14 18:38:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14463 states, 10041 states have (on average 1.2738771038741161) internal successors, (12791), 10245 states have internal predecessors, (12791), 3614 states have call successors, (3614), 819 states have call predecessors, (3614), 805 states have return successors, (3627), 3509 states have call predecessors, (3627), 3610 states have call successors, (3627) [2021-12-14 18:38:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14463 states to 14463 states and 20032 transitions. [2021-12-14 18:38:42,559 INFO L78 Accepts]: Start accepts. Automaton has 14463 states and 20032 transitions. Word has length 210 [2021-12-14 18:38:42,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:42,559 INFO L470 AbstractCegarLoop]: Abstraction has 14463 states and 20032 transitions. [2021-12-14 18:38:42,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-14 18:38:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 14463 states and 20032 transitions. [2021-12-14 18:38:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-14 18:38:42,562 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:42,562 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 2, 2, 2, 2, 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] [2021-12-14 18:38:42,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 18:38:42,563 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:42,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:42,563 INFO L85 PathProgramCache]: Analyzing trace with hash 567579389, now seen corresponding path program 1 times [2021-12-14 18:38:42,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:42,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032764204] [2021-12-14 18:38:42,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:42,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:38:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:38:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:38:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:38:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:38:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 18:38:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:38:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:38:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 18:38:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2021-12-14 18:38:42,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:42,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032764204] [2021-12-14 18:38:42,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032764204] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:42,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:42,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:38:42,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309286660] [2021-12-14 18:38:42,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:42,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:38:42,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:42,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:38:42,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:38:42,842 INFO L87 Difference]: Start difference. First operand 14463 states and 20032 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 18:38:45,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:45,300 INFO L93 Difference]: Finished difference Result 15752 states and 22063 transitions. [2021-12-14 18:38:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:38:45,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 215 [2021-12-14 18:38:45,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:45,356 INFO L225 Difference]: With dead ends: 15752 [2021-12-14 18:38:45,356 INFO L226 Difference]: Without dead ends: 15750 [2021-12-14 18:38:45,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:38:45,368 INFO L933 BasicCegarLoop]: 2528 mSDtfsCounter, 3007 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 1261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3282 SdHoareTripleChecker+Valid, 7273 SdHoareTripleChecker+Invalid, 3663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1261 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:45,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3282 Valid, 7273 Invalid, 3663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1261 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-14 18:38:45,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15750 states. [2021-12-14 18:38:45,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15750 to 14467. [2021-12-14 18:38:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14467 states, 10044 states have (on average 1.273795300677021) internal successors, (12794), 10248 states have internal predecessors, (12794), 3614 states have call successors, (3614), 820 states have call predecessors, (3614), 806 states have return successors, (3627), 3509 states have call predecessors, (3627), 3610 states have call successors, (3627) [2021-12-14 18:38:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14467 states to 14467 states and 20035 transitions. [2021-12-14 18:38:45,872 INFO L78 Accepts]: Start accepts. Automaton has 14467 states and 20035 transitions. Word has length 215 [2021-12-14 18:38:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:45,873 INFO L470 AbstractCegarLoop]: Abstraction has 14467 states and 20035 transitions. [2021-12-14 18:38:45,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 18:38:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 14467 states and 20035 transitions. [2021-12-14 18:38:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-14 18:38:45,876 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:45,876 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 3, 3, 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, 1, 1, 1, 1, 1] [2021-12-14 18:38:45,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 18:38:45,877 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:45,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:45,877 INFO L85 PathProgramCache]: Analyzing trace with hash 664445761, now seen corresponding path program 1 times [2021-12-14 18:38:45,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:45,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053699249] [2021-12-14 18:38:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:45,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:45,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:38:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:38:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:38:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:38:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:38:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 18:38:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:38:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-14 18:38:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:38:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:38:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-14 18:38:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:38:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2021-12-14 18:38:46,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:46,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053699249] [2021-12-14 18:38:46,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053699249] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:46,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:46,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:38:46,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195709705] [2021-12-14 18:38:46,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:46,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:38:46,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:46,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:38:46,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:38:46,121 INFO L87 Difference]: Start difference. First operand 14467 states and 20035 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-14 18:38:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:38:52,152 INFO L93 Difference]: Finished difference Result 44484 states and 62141 transitions. [2021-12-14 18:38:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:38:52,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 232 [2021-12-14 18:38:52,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:38:52,267 INFO L225 Difference]: With dead ends: 44484 [2021-12-14 18:38:52,267 INFO L226 Difference]: Without dead ends: 30411 [2021-12-14 18:38:52,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:38:52,324 INFO L933 BasicCegarLoop]: 3123 mSDtfsCounter, 5393 mSDsluCounter, 3238 mSDsCounter, 0 mSdLazyCounter, 3459 mSolverCounterSat, 3677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5692 SdHoareTripleChecker+Valid, 6361 SdHoareTripleChecker+Invalid, 7136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3677 IncrementalHoareTripleChecker+Valid, 3459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:38:52,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5692 Valid, 6361 Invalid, 7136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3677 Valid, 3459 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-14 18:38:52,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30411 states. [2021-12-14 18:38:53,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30411 to 27811. [2021-12-14 18:38:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27811 states, 19365 states have (on average 1.2741027627162407) internal successors, (24673), 19725 states have internal predecessors, (24673), 6897 states have call successors, (6897), 1565 states have call predecessors, (6897), 1546 states have return successors, (6927), 6740 states have call predecessors, (6927), 6893 states have call successors, (6927) [2021-12-14 18:38:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27811 states to 27811 states and 38497 transitions. [2021-12-14 18:38:53,400 INFO L78 Accepts]: Start accepts. Automaton has 27811 states and 38497 transitions. Word has length 232 [2021-12-14 18:38:53,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:38:53,401 INFO L470 AbstractCegarLoop]: Abstraction has 27811 states and 38497 transitions. [2021-12-14 18:38:53,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-14 18:38:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 27811 states and 38497 transitions. [2021-12-14 18:38:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-14 18:38:53,405 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:53,405 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2021-12-14 18:38:53,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 18:38:53,406 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:53,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:53,406 INFO L85 PathProgramCache]: Analyzing trace with hash 650400426, now seen corresponding path program 1 times [2021-12-14 18:38:53,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:53,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857037541] [2021-12-14 18:38:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:53,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:38:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:38:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:38:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:38:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:38:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:38:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 18:38:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:38:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:38:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:38:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:38:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 18:38:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-14 18:38:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2021-12-14 18:38:53,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:53,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857037541] [2021-12-14 18:38:53,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857037541] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:53,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:53,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:38:53,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912832722] [2021-12-14 18:38:53,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:53,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:38:53,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:53,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:38:53,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:38:53,825 INFO L87 Difference]: Start difference. First operand 27811 states and 38497 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-14 18:39:00,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:39:00,120 INFO L93 Difference]: Finished difference Result 72413 states and 101019 transitions. [2021-12-14 18:39:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:39:00,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 231 [2021-12-14 18:39:00,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:39:00,252 INFO L225 Difference]: With dead ends: 72413 [2021-12-14 18:39:00,252 INFO L226 Difference]: Without dead ends: 44996 [2021-12-14 18:39:00,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:39:00,318 INFO L933 BasicCegarLoop]: 4590 mSDtfsCounter, 3996 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 3702 mSolverCounterSat, 2893 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4295 SdHoareTripleChecker+Valid, 8709 SdHoareTripleChecker+Invalid, 6595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2893 IncrementalHoareTripleChecker+Valid, 3702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:39:00,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4295 Valid, 8709 Invalid, 6595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2893 Valid, 3702 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-14 18:39:00,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44996 states. [2021-12-14 18:39:01,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44996 to 41143. [2021-12-14 18:39:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41143 states, 28674 states have (on average 1.2743251726302574) internal successors, (36540), 29190 states have internal predecessors, (36540), 10180 states have call successors, (10180), 2310 states have call predecessors, (10180), 2286 states have return successors, (10227), 9971 states have call predecessors, (10227), 10176 states have call successors, (10227) [2021-12-14 18:39:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41143 states to 41143 states and 56947 transitions. [2021-12-14 18:39:01,969 INFO L78 Accepts]: Start accepts. Automaton has 41143 states and 56947 transitions. Word has length 231 [2021-12-14 18:39:01,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:39:01,969 INFO L470 AbstractCegarLoop]: Abstraction has 41143 states and 56947 transitions. [2021-12-14 18:39:01,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-14 18:39:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 41143 states and 56947 transitions. [2021-12-14 18:39:01,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-14 18:39:01,973 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:39:01,973 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 3, 3, 2, 2, 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] [2021-12-14 18:39:01,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 18:39:01,974 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:39:01,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:39:01,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1892161539, now seen corresponding path program 1 times [2021-12-14 18:39:01,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:39:01,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534751633] [2021-12-14 18:39:01,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:39:01,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:39:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:39:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:39:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:39:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:39:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:39:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:39:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:39:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:39:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:39:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:39:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:39:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-14 18:39:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 18:39:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:39:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:39:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:39:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:39:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 18:39:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:39:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:39:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 18:39:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-14 18:39:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2021-12-14 18:39:02,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:39:02,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534751633] [2021-12-14 18:39:02,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534751633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:39:02,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:39:02,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:39:02,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797241274] [2021-12-14 18:39:02,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:39:02,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:39:02,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:39:02,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:39:02,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:39:02,269 INFO L87 Difference]: Start difference. First operand 41143 states and 56947 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)