./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-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-smsc-smsc911x.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 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:10:01,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:10:01,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:10:01,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:10:01,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:10:01,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:10:01,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:10:01,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:10:01,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:10:01,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:10:01,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:10:01,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:10:01,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:10:01,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:10:01,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:10:01,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:10:01,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:10:01,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:10:01,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:10:01,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:10:01,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:10:01,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:10:01,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:10:01,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:10:01,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:10:01,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:10:01,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:10:01,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:10:01,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:10:01,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:10:01,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:10:01,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:10:01,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:10:01,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:10:01,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:10:01,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:10:01,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:10:01,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:10:01,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:10:01,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:10:01,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:10:01,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:10:01,573 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:10:01,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:10:01,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:10:01,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:10:01,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:10:01,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:10:01,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:10:01,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:10:01,576 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:10:01,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:10:01,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:10:01,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:10:01,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:10:01,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:10:01,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:10:01,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:10:01,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:10:01,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:10:01,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:10:01,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:10:01,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:10:01,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:10:01,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:10:01,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:10:01,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:10:01,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:10:01,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:10:01,580 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:10:01,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:10:01,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:10:01,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:10:01,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 [2021-12-18 11:10:01,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:10:01,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:10:01,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:10:01,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:10:01,849 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:10:01,850 INFO L432 ainManager$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-smsc-smsc911x.cil.i [2021-12-18 11:10:01,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b1b823f/6f9467ab2dcf472cabbffebe9b2baf71/FLAGf0218e447 [2021-12-18 11:10:02,579 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:10:02,580 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-smsc-smsc911x.cil.i [2021-12-18 11:10:02,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b1b823f/6f9467ab2dcf472cabbffebe9b2baf71/FLAGf0218e447 [2021-12-18 11:10:02,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b1b823f/6f9467ab2dcf472cabbffebe9b2baf71 [2021-12-18 11:10:02,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:10:02,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:10:02,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:10:02,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:10:02,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:10:02,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:10:02" (1/1) ... [2021-12-18 11:10:02,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e87417d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:02, skipping insertion in model container [2021-12-18 11:10:02,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:10:02" (1/1) ... [2021-12-18 11:10:02,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:10:03,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:10:05,503 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-smsc-smsc911x.cil.i[392538,392551] [2021-12-18 11:10:05,506 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-smsc-smsc911x.cil.i[392707,392720] [2021-12-18 11:10:05,507 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-smsc-smsc911x.cil.i[392874,392887] [2021-12-18 11:10:05,508 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-smsc-smsc911x.cil.i[393042,393055] [2021-12-18 11:10:05,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:10:05,561 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:10:05,882 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-smsc-smsc911x.cil.i[392538,392551] [2021-12-18 11:10:05,882 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-smsc-smsc911x.cil.i[392707,392720] [2021-12-18 11:10:05,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2021-12-18 11:10:05,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2021-12-18 11:10:05,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:10:06,063 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:10:06,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06 WrapperNode [2021-12-18 11:10:06,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:10:06,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:10:06,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:10:06,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:10:06,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,345 INFO L137 Inliner]: procedures = 549, calls = 2131, calls flagged for inlining = 287, calls inlined = 262, statements flattened = 6257 [2021-12-18 11:10:06,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:10:06,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:10:06,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:10:06,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:10:06,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:10:06,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:10:06,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:10:06,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:10:06,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (1/1) ... [2021-12-18 11:10:06,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:10:06,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:10:06,605 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) [2021-12-18 11:10:06,625 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 [2021-12-18 11:10:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 11:10:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 11:10:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_94 [2021-12-18 11:10:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_94 [2021-12-18 11:10:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:10:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:10:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 11:10:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 11:10:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_76 [2021-12-18 11:10:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_76 [2021-12-18 11:10:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:10:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:10:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 11:10:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 11:10:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-18 11:10:06,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-18 11:10:06,632 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2021-12-18 11:10:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2021-12-18 11:10:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2021-12-18 11:10:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2021-12-18 11:10:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 11:10:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 11:10:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2021-12-18 11:10:06,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2021-12-18 11:10:06,633 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2021-12-18 11:10:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2021-12-18 11:10:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2021-12-18 11:10:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2021-12-18 11:10:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:10:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:10:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 11:10:06,634 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 11:10:06,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 11:10:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 11:10:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 11:10:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 11:10:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:10:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:10:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 11:10:06,635 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 11:10:06,635 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2021-12-18 11:10:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2021-12-18 11:10:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2021-12-18 11:10:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2021-12-18 11:10:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2021-12-18 11:10:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2021-12-18 11:10:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-18 11:10:06,636 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-18 11:10:06,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:10:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 11:10:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 11:10:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2021-12-18 11:10:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2021-12-18 11:10:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2021-12-18 11:10:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2021-12-18 11:10:06,637 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:10:06,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:10:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2021-12-18 11:10:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2021-12-18 11:10:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-18 11:10:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-18 11:10:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:10:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 11:10:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 11:10:06,638 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 11:10:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 11:10:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2021-12-18 11:10:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2021-12-18 11:10:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:10:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:10:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:10:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2021-12-18 11:10:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2021-12-18 11:10:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:10:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 11:10:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 11:10:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 11:10:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 11:10:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2021-12-18 11:10:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2021-12-18 11:10:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2021-12-18 11:10:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2021-12-18 11:10:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2021-12-18 11:10:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2021-12-18 11:10:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:10:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:10:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2021-12-18 11:10:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2021-12-18 11:10:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:10:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 11:10:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 11:10:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 11:10:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 11:10:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 11:10:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 11:10:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 11:10:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 11:10:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:10:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 11:10:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 11:10:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:10:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:10:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 11:10:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 11:10:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:10:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:10:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:10:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:10:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:10:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2021-12-18 11:10:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2021-12-18 11:10:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2021-12-18 11:10:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2021-12-18 11:10:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-18 11:10:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-18 11:10:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 11:10:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 11:10:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 11:10:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 11:10:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 11:10:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 11:10:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2021-12-18 11:10:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2021-12-18 11:10:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 11:10:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 11:10:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2021-12-18 11:10:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2021-12-18 11:10:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 11:10:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 11:10:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 11:10:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 11:10:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-18 11:10:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-18 11:10:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:10:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:10:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 11:10:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 11:10:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 11:10:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 11:10:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2021-12-18 11:10:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2021-12-18 11:10:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 11:10:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 11:10:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2021-12-18 11:10:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2021-12-18 11:10:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-18 11:10:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-18 11:10:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:10:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:10:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:10:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:10:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2021-12-18 11:10:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2021-12-18 11:10:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2021-12-18 11:10:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2021-12-18 11:10:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-18 11:10:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-18 11:10:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2021-12-18 11:10:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2021-12-18 11:10:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:10:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:10:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2021-12-18 11:10:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2021-12-18 11:10:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2021-12-18 11:10:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2021-12-18 11:10:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2021-12-18 11:10:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2021-12-18 11:10:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2021-12-18 11:10:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2021-12-18 11:10:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_93 [2021-12-18 11:10:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_93 [2021-12-18 11:10:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2021-12-18 11:10:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2021-12-18 11:10:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-12-18 11:10:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-12-18 11:10:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:10:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:10:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 11:10:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 11:10:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-18 11:10:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-18 11:10:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2021-12-18 11:10:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2021-12-18 11:10:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:10:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 11:10:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 11:10:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:10:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2021-12-18 11:10:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2021-12-18 11:10:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2021-12-18 11:10:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2021-12-18 11:10:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2021-12-18 11:10:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2021-12-18 11:10:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2021-12-18 11:10:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2021-12-18 11:10:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:10:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2021-12-18 11:10:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2021-12-18 11:10:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 11:10:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 11:10:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2021-12-18 11:10:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2021-12-18 11:10:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2021-12-18 11:10:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2021-12-18 11:10:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:10:06,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:10:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 11:10:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 11:10:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2021-12-18 11:10:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2021-12-18 11:10:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2021-12-18 11:10:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2021-12-18 11:10:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 11:10:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 11:10:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2021-12-18 11:10:06,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2021-12-18 11:10:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 11:10:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 11:10:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 11:10:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 11:10:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 11:10:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 11:10:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-18 11:10:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-18 11:10:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2021-12-18 11:10:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2021-12-18 11:10:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:10:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2021-12-18 11:10:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2021-12-18 11:10:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:10:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:10:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 11:10:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 11:10:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2021-12-18 11:10:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2021-12-18 11:10:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2021-12-18 11:10:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2021-12-18 11:10:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2021-12-18 11:10:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2021-12-18 11:10:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-18 11:10:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-18 11:10:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2021-12-18 11:10:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2021-12-18 11:10:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2021-12-18 11:10:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2021-12-18 11:10:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:10:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:10:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2021-12-18 11:10:06,660 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2021-12-18 11:10:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-18 11:10:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-18 11:10:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 11:10:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 11:10:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:10:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-18 11:10:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-18 11:10:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:10:06,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:10:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 11:10:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 11:10:07,430 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:10:07,433 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:10:07,656 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:10:09,591 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 11:10:09,680 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:10:09,702 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:10:09,702 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 11:10:09,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:10:09 BoogieIcfgContainer [2021-12-18 11:10:09,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:10:09,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:10:09,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:10:09,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:10:09,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:10:02" (1/3) ... [2021-12-18 11:10:09,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220981fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:10:09, skipping insertion in model container [2021-12-18 11:10:09,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:06" (2/3) ... [2021-12-18 11:10:09,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220981fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:10:09, skipping insertion in model container [2021-12-18 11:10:09,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:10:09" (3/3) ... [2021-12-18 11:10:09,712 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2021-12-18 11:10:09,715 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:10:09,716 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 11:10:09,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:10:09,771 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 [2021-12-18 11:10:09,772 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 11:10:09,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 2625 states, 1736 states have (on average 1.2632488479262673) internal successors, (2193), 1773 states have internal predecessors, (2193), 767 states have call successors, (767), 122 states have call predecessors, (767), 121 states have return successors, (758), 749 states have call predecessors, (758), 758 states have call successors, (758) [2021-12-18 11:10:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-18 11:10:09,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:09,830 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:10:09,830 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)] === [2021-12-18 11:10:09,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:09,834 INFO L85 PathProgramCache]: Analyzing trace with hash -515187490, now seen corresponding path program 1 times [2021-12-18 11:10:09,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:09,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253193686] [2021-12-18 11:10:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:09,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:10:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 11:10:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 11:10:10,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:10,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253193686] [2021-12-18 11:10:10,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253193686] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:10,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:10,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:10:10,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817338838] [2021-12-18 11:10:10,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:10,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:10:10,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:10,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:10:10,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:10:10,806 INFO L87 Difference]: Start difference. First operand has 2625 states, 1736 states have (on average 1.2632488479262673) internal successors, (2193), 1773 states have internal predecessors, (2193), 767 states have call successors, (767), 122 states have call predecessors, (767), 121 states have return successors, (758), 749 states have call predecessors, (758), 758 states have call successors, (758) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:10:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:15,333 INFO L93 Difference]: Finished difference Result 7977 states and 11999 transitions. [2021-12-18 11:10:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:10:15,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2021-12-18 11:10:15,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:15,386 INFO L225 Difference]: With dead ends: 7977 [2021-12-18 11:10:15,387 INFO L226 Difference]: Without dead ends: 5382 [2021-12-18 11:10:15,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:10:15,419 INFO L933 BasicCegarLoop]: 3927 mSDtfsCounter, 4553 mSDsluCounter, 4242 mSDsCounter, 0 mSdLazyCounter, 2465 mSolverCounterSat, 2373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5231 SdHoareTripleChecker+Valid, 8169 SdHoareTripleChecker+Invalid, 4838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2373 IncrementalHoareTripleChecker+Valid, 2465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:15,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5231 Valid, 8169 Invalid, 4838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2373 Valid, 2465 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 11:10:15,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2021-12-18 11:10:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 5072. [2021-12-18 11:10:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 3371 states have (on average 1.251854049243548) internal successors, (4220), 3444 states have internal predecessors, (4220), 1460 states have call successors, (1460), 239 states have call predecessors, (1460), 238 states have return successors, (1456), 1438 states have call predecessors, (1456), 1456 states have call successors, (1456) [2021-12-18 11:10:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 7136 transitions. [2021-12-18 11:10:15,745 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 7136 transitions. Word has length 237 [2021-12-18 11:10:15,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:10:15,749 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 7136 transitions. [2021-12-18 11:10:15,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:10:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 7136 transitions. [2021-12-18 11:10:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-18 11:10:15,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:15,758 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:10:15,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:10:15,759 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)] === [2021-12-18 11:10:15,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:15,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1896859151, now seen corresponding path program 1 times [2021-12-18 11:10:15,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:15,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201539219] [2021-12-18 11:10:15,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:15,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:15,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:10:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 11:10:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:16,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 11:10:16,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:16,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201539219] [2021-12-18 11:10:16,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201539219] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:16,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:16,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:10:16,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698723368] [2021-12-18 11:10:16,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:16,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:10:16,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:16,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:10:16,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:10:16,288 INFO L87 Difference]: Start difference. First operand 5072 states and 7136 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:10:21,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:21,050 INFO L93 Difference]: Finished difference Result 15616 states and 22251 transitions. [2021-12-18 11:10:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:10:21,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2021-12-18 11:10:21,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:21,118 INFO L225 Difference]: With dead ends: 15616 [2021-12-18 11:10:21,118 INFO L226 Difference]: Without dead ends: 10587 [2021-12-18 11:10:21,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:10:21,150 INFO L933 BasicCegarLoop]: 4250 mSDtfsCounter, 4556 mSDsluCounter, 4463 mSDsCounter, 0 mSdLazyCounter, 2431 mSolverCounterSat, 2322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5210 SdHoareTripleChecker+Valid, 8713 SdHoareTripleChecker+Invalid, 4753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2322 IncrementalHoareTripleChecker+Valid, 2431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:21,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5210 Valid, 8713 Invalid, 4753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2322 Valid, 2431 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 11:10:21,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10587 states. [2021-12-18 11:10:21,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10587 to 10157. [2021-12-18 11:10:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10157 states, 6768 states have (on average 1.2522163120567376) internal successors, (8475), 6924 states have internal predecessors, (8475), 2891 states have call successors, (2891), 476 states have call predecessors, (2891), 495 states have return successors, (3154), 2856 states have call predecessors, (3154), 2887 states have call successors, (3154) [2021-12-18 11:10:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 14520 transitions. [2021-12-18 11:10:21,623 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 14520 transitions. Word has length 241 [2021-12-18 11:10:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:10:21,625 INFO L470 AbstractCegarLoop]: Abstraction has 10157 states and 14520 transitions. [2021-12-18 11:10:21,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:10:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 14520 transitions. [2021-12-18 11:10:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-18 11:10:21,630 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:21,630 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:10:21,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:10:21,631 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)] === [2021-12-18 11:10:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:21,631 INFO L85 PathProgramCache]: Analyzing trace with hash -212910383, now seen corresponding path program 1 times [2021-12-18 11:10:21,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:21,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273543381] [2021-12-18 11:10:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:21,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:10:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 11:10:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 11:10:22,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:22,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273543381] [2021-12-18 11:10:22,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273543381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:22,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:22,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:10:22,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871601897] [2021-12-18 11:10:22,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:22,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:10:22,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:22,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:10:22,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:10:22,021 INFO L87 Difference]: Start difference. First operand 10157 states and 14520 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:10:26,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:26,432 INFO L93 Difference]: Finished difference Result 29871 states and 42622 transitions. [2021-12-18 11:10:26,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:10:26,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 248 [2021-12-18 11:10:26,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:26,530 INFO L225 Difference]: With dead ends: 29871 [2021-12-18 11:10:26,531 INFO L226 Difference]: Without dead ends: 19757 [2021-12-18 11:10:26,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:10:26,589 INFO L933 BasicCegarLoop]: 4616 mSDtfsCounter, 3969 mSDsluCounter, 4516 mSDsCounter, 0 mSdLazyCounter, 2540 mSolverCounterSat, 2079 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4623 SdHoareTripleChecker+Valid, 9132 SdHoareTripleChecker+Invalid, 4619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2079 IncrementalHoareTripleChecker+Valid, 2540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:26,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4623 Valid, 9132 Invalid, 4619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2079 Valid, 2540 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-18 11:10:26,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19757 states. [2021-12-18 11:10:27,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19757 to 19039. [2021-12-18 11:10:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19039 states, 12608 states have (on average 1.2457963197969544) internal successors, (15707), 12910 states have internal predecessors, (15707), 5469 states have call successors, (5469), 928 states have call predecessors, (5469), 959 states have return successors, (5804), 5394 states have call predecessors, (5804), 5465 states have call successors, (5804) [2021-12-18 11:10:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19039 states to 19039 states and 26980 transitions. [2021-12-18 11:10:27,423 INFO L78 Accepts]: Start accepts. Automaton has 19039 states and 26980 transitions. Word has length 248 [2021-12-18 11:10:27,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:10:27,425 INFO L470 AbstractCegarLoop]: Abstraction has 19039 states and 26980 transitions. [2021-12-18 11:10:27,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:10:27,425 INFO L276 IsEmpty]: Start isEmpty. Operand 19039 states and 26980 transitions. [2021-12-18 11:10:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-18 11:10:27,429 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:27,429 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:10:27,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:10:27,430 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)] === [2021-12-18 11:10:27,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:27,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1844231193, now seen corresponding path program 1 times [2021-12-18 11:10:27,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:27,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079108586] [2021-12-18 11:10:27,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:27,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:10:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:10:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 11:10:27,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:27,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079108586] [2021-12-18 11:10:27,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079108586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:27,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:27,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:10:27,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106897846] [2021-12-18 11:10:27,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:27,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:10:27,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:27,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:10:27,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:10:27,788 INFO L87 Difference]: Start difference. First operand 19039 states and 26980 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:10:32,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:32,833 INFO L93 Difference]: Finished difference Result 54825 states and 78012 transitions. [2021-12-18 11:10:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:10:32,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 248 [2021-12-18 11:10:32,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:32,997 INFO L225 Difference]: With dead ends: 54825 [2021-12-18 11:10:32,998 INFO L226 Difference]: Without dead ends: 35829 [2021-12-18 11:10:33,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:10:33,081 INFO L933 BasicCegarLoop]: 4000 mSDtfsCounter, 4071 mSDsluCounter, 4268 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 2267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4662 SdHoareTripleChecker+Valid, 8268 SdHoareTripleChecker+Invalid, 4690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2267 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:33,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4662 Valid, 8268 Invalid, 4690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2267 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-18 11:10:33,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35829 states. [2021-12-18 11:10:34,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35829 to 34595. [2021-12-18 11:10:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34595 states, 22734 states have (on average 1.2424122459751914) internal successors, (28245), 23316 states have internal predecessors, (28245), 10027 states have call successors, (10027), 1780 states have call predecessors, (10027), 1831 states have return successors, (10950), 9848 states have call predecessors, (10950), 10023 states have call successors, (10950) [2021-12-18 11:10:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34595 states to 34595 states and 49222 transitions. [2021-12-18 11:10:34,363 INFO L78 Accepts]: Start accepts. Automaton has 34595 states and 49222 transitions. Word has length 248 [2021-12-18 11:10:34,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:10:34,366 INFO L470 AbstractCegarLoop]: Abstraction has 34595 states and 49222 transitions. [2021-12-18 11:10:34,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 11:10:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 34595 states and 49222 transitions. [2021-12-18 11:10:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-12-18 11:10:34,370 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:34,370 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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, 1, 1, 1] [2021-12-18 11:10:34,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:10:34,370 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:10:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1617156282, now seen corresponding path program 1 times [2021-12-18 11:10:34,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:34,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458693975] [2021-12-18 11:10:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:34,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:10:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 11:10:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:10:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:10:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-12-18 11:10:34,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:34,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458693975] [2021-12-18 11:10:34,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458693975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:34,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:34,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:10:34,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833738589] [2021-12-18 11:10:34,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:34,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:10:34,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:34,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:10:34,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:10:34,952 INFO L87 Difference]: Start difference. First operand 34595 states and 49222 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:10:40,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:40,603 INFO L93 Difference]: Finished difference Result 88012 states and 125255 transitions. [2021-12-18 11:10:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:10:40,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 263 [2021-12-18 11:10:40,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:40,907 INFO L225 Difference]: With dead ends: 88012 [2021-12-18 11:10:40,908 INFO L226 Difference]: Without dead ends: 53460 [2021-12-18 11:10:41,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:10:41,147 INFO L933 BasicCegarLoop]: 3967 mSDtfsCounter, 4496 mSDsluCounter, 4252 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 2398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5172 SdHoareTripleChecker+Valid, 8219 SdHoareTripleChecker+Invalid, 4877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2398 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:41,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5172 Valid, 8219 Invalid, 4877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2398 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-18 11:10:41,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53460 states. [2021-12-18 11:10:42,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53460 to 51614. [2021-12-18 11:10:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51614 states, 33914 states have (on average 1.2397240077843958) internal successors, (42044), 34814 states have internal predecessors, (42044), 14923 states have call successors, (14923), 2697 states have call predecessors, (14923), 2774 states have return successors, (16300), 14627 states have call predecessors, (16300), 14919 states have call successors, (16300) [2021-12-18 11:10:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51614 states to 51614 states and 73267 transitions. [2021-12-18 11:10:43,297 INFO L78 Accepts]: Start accepts. Automaton has 51614 states and 73267 transitions. Word has length 263 [2021-12-18 11:10:43,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:10:43,298 INFO L470 AbstractCegarLoop]: Abstraction has 51614 states and 73267 transitions. [2021-12-18 11:10:43,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:10:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 51614 states and 73267 transitions. [2021-12-18 11:10:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-18 11:10:43,302 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:43,302 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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, 1, 1] [2021-12-18 11:10:43,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 11:10:43,303 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:10:43,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:43,303 INFO L85 PathProgramCache]: Analyzing trace with hash -228996309, now seen corresponding path program 1 times [2021-12-18 11:10:43,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:43,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862277482] [2021-12-18 11:10:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:43,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:10:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:10:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:10:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:10:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-12-18 11:10:43,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:43,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862277482] [2021-12-18 11:10:43,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862277482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:43,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:43,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:10:43,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18396947] [2021-12-18 11:10:43,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:43,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:10:43,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:43,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:10:43,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:10:43,927 INFO L87 Difference]: Start difference. First operand 51614 states and 73267 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:10:50,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:50,068 INFO L93 Difference]: Finished difference Result 140037 states and 198958 transitions. [2021-12-18 11:10:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:10:50,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 262 [2021-12-18 11:10:50,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:50,522 INFO L225 Difference]: With dead ends: 140037 [2021-12-18 11:10:50,522 INFO L226 Difference]: Without dead ends: 88466 [2021-12-18 11:10:50,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:10:50,737 INFO L933 BasicCegarLoop]: 4076 mSDtfsCounter, 4438 mSDsluCounter, 4272 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 2379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5115 SdHoareTripleChecker+Valid, 8348 SdHoareTripleChecker+Invalid, 4858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2379 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:50,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5115 Valid, 8348 Invalid, 4858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2379 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-18 11:10:50,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88466 states. [2021-12-18 11:10:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88466 to 85444. [2021-12-18 11:10:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85444 states, 56098 states have (on average 1.2374416200221041) internal successors, (69418), 57634 states have internal predecessors, (69418), 24699 states have call successors, (24699), 4515 states have call predecessors, (24699), 4644 states have return successors, (26984), 24169 states have call predecessors, (26984), 24695 states have call successors, (26984) [2021-12-18 11:10:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85444 states to 85444 states and 121101 transitions. [2021-12-18 11:10:54,524 INFO L78 Accepts]: Start accepts. Automaton has 85444 states and 121101 transitions. Word has length 262 [2021-12-18 11:10:54,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:10:54,525 INFO L470 AbstractCegarLoop]: Abstraction has 85444 states and 121101 transitions. [2021-12-18 11:10:54,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:10:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 85444 states and 121101 transitions. [2021-12-18 11:10:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-18 11:10:54,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:54,529 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 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, 1, 1, 1, 1, 1] [2021-12-18 11:10:54,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 11:10:54,529 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:10:54,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:54,529 INFO L85 PathProgramCache]: Analyzing trace with hash -496870642, now seen corresponding path program 1 times [2021-12-18 11:10:54,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:54,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677202983] [2021-12-18 11:10:54,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:54,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:10:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 11:10:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 11:10:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 11:10:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1662 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-12-18 11:10:54,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:54,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677202983] [2021-12-18 11:10:54,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677202983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:54,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:54,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:10:54,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517079666] [2021-12-18 11:10:54,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:54,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:10:54,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:54,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:10:54,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:10:54,838 INFO L87 Difference]: Start difference. First operand 85444 states and 121101 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 11:11:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:11:02,361 INFO L93 Difference]: Finished difference Result 209073 states and 296544 transitions. [2021-12-18 11:11:02,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:11:02,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 272 [2021-12-18 11:11:02,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:11:03,159 INFO L225 Difference]: With dead ends: 209073 [2021-12-18 11:11:03,159 INFO L226 Difference]: Without dead ends: 123672 [2021-12-18 11:11:03,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:11:03,543 INFO L933 BasicCegarLoop]: 6341 mSDtfsCounter, 3677 mSDsluCounter, 5276 mSDsCounter, 0 mSdLazyCounter, 2505 mSolverCounterSat, 1742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4344 SdHoareTripleChecker+Valid, 11617 SdHoareTripleChecker+Invalid, 4247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1742 IncrementalHoareTripleChecker+Valid, 2505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-18 11:11:03,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4344 Valid, 11617 Invalid, 4247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1742 Valid, 2505 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-18 11:11:03,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123672 states. [2021-12-18 11:11:07,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123672 to 119024. [2021-12-18 11:11:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119024 states, 78725 states have (on average 1.2370911400444586) internal successors, (97390), 80911 states have internal predecessors, (97390), 33741 states have call successors, (33741), 6416 states have call predecessors, (33741), 6555 states have return successors, (37028), 32900 states have call predecessors, (37028), 33737 states have call successors, (37028) [2021-12-18 11:11:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119024 states to 119024 states and 168159 transitions. [2021-12-18 11:11:08,663 INFO L78 Accepts]: Start accepts. Automaton has 119024 states and 168159 transitions. Word has length 272 [2021-12-18 11:11:08,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:11:08,665 INFO L470 AbstractCegarLoop]: Abstraction has 119024 states and 168159 transitions. [2021-12-18 11:11:08,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 11:11:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 119024 states and 168159 transitions. [2021-12-18 11:11:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-18 11:11:08,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:11:08,670 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:11:08,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 11:11:08,670 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)] === [2021-12-18 11:11:08,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:11:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash 854647005, now seen corresponding path program 1 times [2021-12-18 11:11:08,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:11:08,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25633539] [2021-12-18 11:11:08,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:11:08,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:11:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:11:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:11:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:11:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:11:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:11:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:11:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:11:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:11:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:11:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:11:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:11:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:11:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:11:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:11:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:11:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:11:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:11:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:11:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:11:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 11:11:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:11:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 11:11:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 11:11:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 11:11:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 11:11:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 11:11:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 11:11:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2021-12-18 11:11:09,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:11:09,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25633539] [2021-12-18 11:11:09,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25633539] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:11:09,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:11:09,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:11:09,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134124934] [2021-12-18 11:11:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:11:09,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:11:09,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:11:09,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:11:09,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:11:09,108 INFO L87 Difference]: Start difference. First operand 119024 states and 168159 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 11:11:19,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:11:19,421 INFO L93 Difference]: Finished difference Result 362290 states and 512970 transitions. [2021-12-18 11:11:19,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:11:19,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 293 [2021-12-18 11:11:19,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:11:21,003 INFO L225 Difference]: With dead ends: 362290 [2021-12-18 11:11:21,003 INFO L226 Difference]: Without dead ends: 243398 [2021-12-18 11:11:21,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:11:21,564 INFO L933 BasicCegarLoop]: 6549 mSDtfsCounter, 3707 mSDsluCounter, 5529 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 1641 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4378 SdHoareTripleChecker+Valid, 12078 SdHoareTripleChecker+Invalid, 4104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1641 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:11:21,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4378 Valid, 12078 Invalid, 4104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1641 Valid, 2463 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-18 11:11:21,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243398 states.