./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.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 bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:43:38,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:43:38,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:43:38,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:43:38,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:43:38,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:43:38,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:43:38,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:43:38,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:43:38,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:43:38,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:43:38,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:43:38,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:43:38,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:43:38,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:43:38,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:43:38,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:43:38,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:43:38,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:43:38,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:43:38,466 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:43:38,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:43:38,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:43:38,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:43:38,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:43:38,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:43:38,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:43:38,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:43:38,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:43:38,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:43:38,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:43:38,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:43:38,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:43:38,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:43:38,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:43:38,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:43:38,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:43:38,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:43:38,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:43:38,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:43:38,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:43:38,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:43:38,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:43:38,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:43:38,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:43:38,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:43:38,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:43:38,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:43:38,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:43:38,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:43:38,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:43:38,542 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:43:38,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:43:38,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:43:38,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:43:38,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:43:38,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:43:38,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:43:38,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:43:38,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:43:38,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:43:38,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:43:38,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:43:38,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:43:38,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:43:38,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:43:38,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:43:38,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:43:38,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:43:38,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:43:38,547 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:43:38,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:43:38,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:43:38,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc [2022-07-23 03:43:38,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:43:38,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:43:38,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:43:38,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:43:38,834 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:43:38,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-23 03:43:38,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ee36de97/2799757cb8eb49d4a39b806819d00fa2/FLAG7f7703ca7 [2022-07-23 03:43:39,776 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:43:39,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-23 03:43:39,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ee36de97/2799757cb8eb49d4a39b806819d00fa2/FLAG7f7703ca7 [2022-07-23 03:43:39,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ee36de97/2799757cb8eb49d4a39b806819d00fa2 [2022-07-23 03:43:39,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:43:39,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:43:39,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:43:39,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:43:39,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:43:39,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:43:39" (1/1) ... [2022-07-23 03:43:39,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c424b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:39, skipping insertion in model container [2022-07-23 03:43:39,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:43:39" (1/1) ... [2022-07-23 03:43:39,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:43:40,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:43:43,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2022-07-23 03:43:43,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2022-07-23 03:43:43,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2022-07-23 03:43:43,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2022-07-23 03:43:43,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:43:43,862 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:43:44,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2022-07-23 03:43:44,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2022-07-23 03:43:44,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2022-07-23 03:43:44,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2022-07-23 03:43:44,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:43:44,501 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:43:44,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44 WrapperNode [2022-07-23 03:43:44,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:43:44,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:43:44,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:43:44,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:43:44,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:44,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:44,891 INFO L137 Inliner]: procedures = 559, calls = 2869, calls flagged for inlining = 295, calls inlined = 261, statements flattened = 7591 [2022-07-23 03:43:44,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:43:44,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:43:44,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:43:44,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:43:44,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:44,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:44,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:44,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:45,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:45,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:45,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:45,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:43:45,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:43:45,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:43:45,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:43:45,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (1/1) ... [2022-07-23 03:43:45,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:43:45,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:43:45,333 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) [2022-07-23 03:43:45,355 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 [2022-07-23 03:43:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-23 03:43:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-23 03:43:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:43:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:43:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 03:43:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 03:43:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:43:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:43:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:43:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:43:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 03:43:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 03:43:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:43:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:43:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:43:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:43:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:43:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:43:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2022-07-23 03:43:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2022-07-23 03:43:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-07-23 03:43:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-07-23 03:43:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:43:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:43:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:43:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:43:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:43:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:43:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:43:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:43:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:43:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:43:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:43:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:43:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 03:43:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 03:43:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:43:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-07-23 03:43:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-07-23 03:43:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:43:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:43:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 03:43:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 03:43:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:43:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-23 03:43:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-23 03:43:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:43:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:43:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:43:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:43:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:43:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:43:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:43:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-07-23 03:43:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-07-23 03:43:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:43:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:43:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:43:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:43:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:43:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-07-23 03:43:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-07-23 03:43:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:43:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:43:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:43:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:43:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:43:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:43:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:43:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:43:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:43:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:43:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-07-23 03:43:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-07-23 03:43:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-23 03:43:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-23 03:43:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-23 03:43:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-23 03:43:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:43:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:43:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:43:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:43:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:43:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:43:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:43:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-23 03:43:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-23 03:43:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:43:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:43:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 03:43:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 03:43:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-07-23 03:43:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-07-23 03:43:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:43:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 03:43:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 03:43:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:43:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:43:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:43:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:43:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:43:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 03:43:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:43:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:43:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-07-23 03:43:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-07-23 03:43:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-23 03:43:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-23 03:43:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 03:43:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 03:43:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-07-23 03:43:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-07-23 03:43:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:43:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:43:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 03:43:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 03:43:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:43:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:43:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 03:43:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 03:43:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:43:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:43:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-07-23 03:43:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-07-23 03:43:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-23 03:43:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-23 03:43:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:43:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:43:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-07-23 03:43:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-07-23 03:43:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 03:43:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 03:43:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:43:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:43:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:43:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:43:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:43:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:43:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:43:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:43:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-07-23 03:43:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-07-23 03:43:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:43:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:43:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-07-23 03:43:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-07-23 03:43:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-07-23 03:43:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-07-23 03:43:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-23 03:43:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:43:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:43:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-07-23 03:43:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-07-23 03:43:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-07-23 03:43:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-07-23 03:43:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 03:43:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 03:43:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:43:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:43:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-23 03:43:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-23 03:43:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:43:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:43:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 03:43:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 03:43:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-23 03:43:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-23 03:43:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-07-23 03:43:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-07-23 03:43:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-07-23 03:43:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-07-23 03:43:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-07-23 03:43:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-07-23 03:43:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:43:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:43:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:43:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-07-23 03:43:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-07-23 03:43:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:43:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:43:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:43:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-23 03:43:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-23 03:43:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:43:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-07-23 03:43:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-07-23 03:43:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-07-23 03:43:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-07-23 03:43:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-23 03:43:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-23 03:43:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:43:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:43:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-23 03:43:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-23 03:43:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:43:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:43:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-07-23 03:43:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-07-23 03:43:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-23 03:43:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-23 03:43:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 03:43:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 03:43:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-07-23 03:43:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-07-23 03:43:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-23 03:43:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-23 03:43:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-23 03:43:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-23 03:43:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-07-23 03:43:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-07-23 03:43:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 03:43:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 03:43:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:43:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:43:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:43:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:43:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-07-23 03:43:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-07-23 03:43:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:43:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:43:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-07-23 03:43:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-07-23 03:43:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-07-23 03:43:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-07-23 03:43:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 03:43:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 03:43:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:43:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:43:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:43:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-07-23 03:43:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-07-23 03:43:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:43:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:43:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:43:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:43:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 03:43:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 03:43:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-07-23 03:43:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-07-23 03:43:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-07-23 03:43:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-07-23 03:43:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-23 03:43:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-23 03:43:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-07-23 03:43:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-07-23 03:43:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:43:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:43:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 03:43:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 03:43:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 03:43:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 03:43:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 03:43:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 03:43:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-23 03:43:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-23 03:43:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:43:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 03:43:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-23 03:43:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-23 03:43:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-23 03:43:45,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:43:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:43:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:43:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:43:46,517 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:43:46,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:43:46,769 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:43:54,850 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:43:54,955 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:43:54,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:43:54,975 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-23 03:43:54,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:43:54 BoogieIcfgContainer [2022-07-23 03:43:54,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:43:54,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:43:54,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:43:54,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:43:54,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:43:39" (1/3) ... [2022-07-23 03:43:54,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb36328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:43:54, skipping insertion in model container [2022-07-23 03:43:54,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:44" (2/3) ... [2022-07-23 03:43:54,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb36328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:43:54, skipping insertion in model container [2022-07-23 03:43:54,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:43:54" (3/3) ... [2022-07-23 03:43:54,989 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-23 03:43:55,001 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:43:55,002 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:43:55,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:43:55,142 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@721c9e7c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5879cb01 [2022-07-23 03:43:55,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:43:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 2763 states, 1948 states have (on average 1.3275154004106777) internal successors, (2586), 1990 states have internal predecessors, (2586), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) [2022-07-23 03:43:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-23 03:43:55,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:43:55,185 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:43:55,186 INFO L420 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)] === [2022-07-23 03:43:55,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:43:55,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1141530011, now seen corresponding path program 1 times [2022-07-23 03:43:55,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:43:55,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544853794] [2022-07-23 03:43:55,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:43:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:43:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:43:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:43:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:43:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:43:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:43:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:43:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:43:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:43:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:43:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:43:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:43:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:43:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:43:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:43:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:43:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 03:43:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:43:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:43:56,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:43:56,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544853794] [2022-07-23 03:43:56,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544853794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:43:56,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:43:56,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:43:56,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117660809] [2022-07-23 03:43:56,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:43:56,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:43:56,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:43:56,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:43:56,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:43:56,224 INFO L87 Difference]: Start difference. First operand has 2763 states, 1948 states have (on average 1.3275154004106777) internal successors, (2586), 1990 states have internal predecessors, (2586), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 03:44:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:03,434 INFO L93 Difference]: Finished difference Result 8177 states and 12027 transitions. [2022-07-23 03:44:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:44:03,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2022-07-23 03:44:03,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:03,499 INFO L225 Difference]: With dead ends: 8177 [2022-07-23 03:44:03,499 INFO L226 Difference]: Without dead ends: 5433 [2022-07-23 03:44:03,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:44:03,528 INFO L413 NwaCegarLoop]: 4081 mSDtfsCounter, 4641 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5255 SdHoareTripleChecker+Valid, 7973 SdHoareTripleChecker+Invalid, 4916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:03,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5255 Valid, 7973 Invalid, 4916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1952 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-23 03:44:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5433 states. [2022-07-23 03:44:03,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5433 to 5277. [2022-07-23 03:44:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5277 states, 3730 states have (on average 1.2916890080428955) internal successors, (4818), 3807 states have internal predecessors, (4818), 1304 states have call successors, (1304), 241 states have call predecessors, (1304), 240 states have return successors, (1300), 1275 states have call predecessors, (1300), 1300 states have call successors, (1300) [2022-07-23 03:44:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 7422 transitions. [2022-07-23 03:44:03,937 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 7422 transitions. Word has length 171 [2022-07-23 03:44:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:03,941 INFO L495 AbstractCegarLoop]: Abstraction has 5277 states and 7422 transitions. [2022-07-23 03:44:03,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 03:44:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 7422 transitions. [2022-07-23 03:44:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-23 03:44:04,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:04,020 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:44:04,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:44:04,021 INFO L420 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)] === [2022-07-23 03:44:04,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:04,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1213757508, now seen corresponding path program 1 times [2022-07-23 03:44:04,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:04,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531217330] [2022-07-23 03:44:04,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:04,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:44:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:44:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:44:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 03:44:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:44:04,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:44:04,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531217330] [2022-07-23 03:44:04,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531217330] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:44:04,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:44:04,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:44:04,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734262463] [2022-07-23 03:44:04,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:44:04,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:44:04,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:44:04,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:44:04,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:44:04,509 INFO L87 Difference]: Start difference. First operand 5277 states and 7422 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 03:44:11,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:11,412 INFO L93 Difference]: Finished difference Result 15933 states and 22530 transitions. [2022-07-23 03:44:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:44:11,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 175 [2022-07-23 03:44:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:11,491 INFO L225 Difference]: With dead ends: 15933 [2022-07-23 03:44:11,491 INFO L226 Difference]: Without dead ends: 10687 [2022-07-23 03:44:11,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:44:11,530 INFO L413 NwaCegarLoop]: 4346 mSDtfsCounter, 4668 mSDsluCounter, 4132 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 1972 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5275 SdHoareTripleChecker+Valid, 8478 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1972 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:11,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5275 Valid, 8478 Invalid, 4883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1972 Valid, 2911 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-23 03:44:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2022-07-23 03:44:12,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10511. [2022-07-23 03:44:12,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10511 states, 7459 states have (on average 1.293202842204049) internal successors, (9646), 7631 states have internal predecessors, (9646), 2557 states have call successors, (2557), 480 states have call predecessors, (2557), 492 states have return successors, (2641), 2491 states have call predecessors, (2641), 2553 states have call successors, (2641) [2022-07-23 03:44:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10511 states to 10511 states and 14844 transitions. [2022-07-23 03:44:12,159 INFO L78 Accepts]: Start accepts. Automaton has 10511 states and 14844 transitions. Word has length 175 [2022-07-23 03:44:12,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:12,160 INFO L495 AbstractCegarLoop]: Abstraction has 10511 states and 14844 transitions. [2022-07-23 03:44:12,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 03:44:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 10511 states and 14844 transitions. [2022-07-23 03:44:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-23 03:44:12,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:12,169 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:44:12,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:44:12,169 INFO L420 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)] === [2022-07-23 03:44:12,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:12,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1416040930, now seen corresponding path program 1 times [2022-07-23 03:44:12,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:12,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835254955] [2022-07-23 03:44:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:12,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:44:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:44:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 03:44:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:44:12,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:44:12,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835254955] [2022-07-23 03:44:12,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835254955] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:44:12,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:44:12,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:44:12,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062865535] [2022-07-23 03:44:12,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:44:12,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:44:12,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:44:12,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:44:12,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:44:12,732 INFO L87 Difference]: Start difference. First operand 10511 states and 14844 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 03:44:18,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:18,719 INFO L93 Difference]: Finished difference Result 29129 states and 41078 transitions. [2022-07-23 03:44:18,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:44:18,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 174 [2022-07-23 03:44:18,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:18,853 INFO L225 Difference]: With dead ends: 29129 [2022-07-23 03:44:18,854 INFO L226 Difference]: Without dead ends: 18649 [2022-07-23 03:44:19,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:44:19,009 INFO L413 NwaCegarLoop]: 3923 mSDtfsCounter, 3817 mSDsluCounter, 3864 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 1807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 7787 SdHoareTripleChecker+Invalid, 4669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:19,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4298 Valid, 7787 Invalid, 4669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1807 Valid, 2862 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-23 03:44:19,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18649 states. [2022-07-23 03:44:19,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18649 to 18223. [2022-07-23 03:44:19,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18223 states, 12921 states have (on average 1.2941722776874856) internal successors, (16722), 13209 states have internal predecessors, (16722), 4357 states have call successors, (4357), 934 states have call predecessors, (4357), 942 states have return successors, (4491), 4213 states have call predecessors, (4491), 4353 states have call successors, (4491) [2022-07-23 03:44:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18223 states to 18223 states and 25570 transitions. [2022-07-23 03:44:19,910 INFO L78 Accepts]: Start accepts. Automaton has 18223 states and 25570 transitions. Word has length 174 [2022-07-23 03:44:19,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:19,911 INFO L495 AbstractCegarLoop]: Abstraction has 18223 states and 25570 transitions. [2022-07-23 03:44:19,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 03:44:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 18223 states and 25570 transitions. [2022-07-23 03:44:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-23 03:44:19,914 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:19,915 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:44:19,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:44:19,915 INFO L420 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)] === [2022-07-23 03:44:19,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:19,916 INFO L85 PathProgramCache]: Analyzing trace with hash -680148155, now seen corresponding path program 1 times [2022-07-23 03:44:19,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:19,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937702162] [2022-07-23 03:44:19,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:19,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:44:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:44:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 03:44:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-23 03:44:20,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:44:20,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937702162] [2022-07-23 03:44:20,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937702162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:44:20,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:44:20,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:44:20,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999237860] [2022-07-23 03:44:20,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:44:20,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:44:20,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:44:20,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:44:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:44:20,577 INFO L87 Difference]: Start difference. First operand 18223 states and 25570 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 03:44:26,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:26,580 INFO L93 Difference]: Finished difference Result 42082 states and 58667 transitions. [2022-07-23 03:44:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:44:26,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 177 [2022-07-23 03:44:26,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:26,701 INFO L225 Difference]: With dead ends: 42082 [2022-07-23 03:44:26,701 INFO L226 Difference]: Without dead ends: 23890 [2022-07-23 03:44:26,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:44:26,777 INFO L413 NwaCegarLoop]: 6276 mSDtfsCounter, 3768 mSDsluCounter, 5064 mSDsCounter, 0 mSdLazyCounter, 3035 mSolverCounterSat, 1473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4357 SdHoareTripleChecker+Valid, 11340 SdHoareTripleChecker+Invalid, 4508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1473 IncrementalHoareTripleChecker+Valid, 3035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:26,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4357 Valid, 11340 Invalid, 4508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1473 Valid, 3035 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-23 03:44:26,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23890 states. [2022-07-23 03:44:27,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23890 to 23215. [2022-07-23 03:44:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23215 states, 16478 states have (on average 1.2869887122223571) internal successors, (21207), 16815 states have internal predecessors, (21207), 5343 states have call successors, (5343), 1397 states have call predecessors, (5343), 1391 states have return successors, (5456), 5138 states have call predecessors, (5456), 5339 states have call successors, (5456) [2022-07-23 03:44:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23215 states to 23215 states and 32006 transitions. [2022-07-23 03:44:27,843 INFO L78 Accepts]: Start accepts. Automaton has 23215 states and 32006 transitions. Word has length 177 [2022-07-23 03:44:27,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:27,844 INFO L495 AbstractCegarLoop]: Abstraction has 23215 states and 32006 transitions. [2022-07-23 03:44:27,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 03:44:27,845 INFO L276 IsEmpty]: Start isEmpty. Operand 23215 states and 32006 transitions. [2022-07-23 03:44:27,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-23 03:44:27,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:27,855 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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] [2022-07-23 03:44:27,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:44:27,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:44:27,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:27,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1201033793, now seen corresponding path program 1 times [2022-07-23 03:44:27,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:27,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024055217] [2022-07-23 03:44:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:27,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:44:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:44:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 03:44:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 03:44:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:44:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 03:44:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:44:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:44:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:44:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-23 03:44:28,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:44:28,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024055217] [2022-07-23 03:44:28,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024055217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:44:28,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:44:28,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:44:28,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852116805] [2022-07-23 03:44:28,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:44:28,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:44:28,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:44:28,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:44:28,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:44:28,494 INFO L87 Difference]: Start difference. First operand 23215 states and 32006 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 03:44:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:36,201 INFO L93 Difference]: Finished difference Result 70305 states and 97167 transitions. [2022-07-23 03:44:36,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:44:36,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-07-23 03:44:36,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:36,572 INFO L225 Difference]: With dead ends: 70305 [2022-07-23 03:44:36,572 INFO L226 Difference]: Without dead ends: 47376 [2022-07-23 03:44:36,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:44:36,684 INFO L413 NwaCegarLoop]: 4840 mSDtfsCounter, 4603 mSDsluCounter, 4379 mSDsCounter, 0 mSdLazyCounter, 3009 mSolverCounterSat, 1859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5227 SdHoareTripleChecker+Valid, 9219 SdHoareTripleChecker+Invalid, 4868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1859 IncrementalHoareTripleChecker+Valid, 3009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:36,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5227 Valid, 9219 Invalid, 4868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1859 Valid, 3009 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-23 03:44:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47376 states. [2022-07-23 03:44:38,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47376 to 46010. [2022-07-23 03:44:38,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46010 states, 32645 states have (on average 1.2869658446929086) internal successors, (42013), 33329 states have internal predecessors, (42013), 10585 states have call successors, (10585), 2788 states have call predecessors, (10585), 2777 states have return successors, (10851), 10164 states have call predecessors, (10851), 10581 states have call successors, (10851) [2022-07-23 03:44:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46010 states to 46010 states and 63449 transitions. [2022-07-23 03:44:38,735 INFO L78 Accepts]: Start accepts. Automaton has 46010 states and 63449 transitions. Word has length 236 [2022-07-23 03:44:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:38,737 INFO L495 AbstractCegarLoop]: Abstraction has 46010 states and 63449 transitions. [2022-07-23 03:44:38,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 03:44:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 46010 states and 63449 transitions. [2022-07-23 03:44:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-23 03:44:38,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:38,743 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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] [2022-07-23 03:44:38,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:44:38,745 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:44:38,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:38,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1554122175, now seen corresponding path program 1 times [2022-07-23 03:44:38,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:38,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567891700] [2022-07-23 03:44:38,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:38,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:44:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:44:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 03:44:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 03:44:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:44:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 03:44:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:44:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:44:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:44:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-23 03:44:39,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:44:39,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567891700] [2022-07-23 03:44:39,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567891700] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:44:39,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:44:39,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:44:39,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340961561] [2022-07-23 03:44:39,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:44:39,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:44:39,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:44:39,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:44:39,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:44:39,354 INFO L87 Difference]: Start difference. First operand 46010 states and 63449 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 03:44:46,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:46,380 INFO L93 Difference]: Finished difference Result 119312 states and 165255 transitions. [2022-07-23 03:44:46,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:44:46,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-07-23 03:44:46,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:46,921 INFO L225 Difference]: With dead ends: 119312 [2022-07-23 03:44:46,922 INFO L226 Difference]: Without dead ends: 73588 [2022-07-23 03:44:47,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:44:47,105 INFO L413 NwaCegarLoop]: 5829 mSDtfsCounter, 4026 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 2977 mSolverCounterSat, 1582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4627 SdHoareTripleChecker+Valid, 10707 SdHoareTripleChecker+Invalid, 4559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1582 IncrementalHoareTripleChecker+Valid, 2977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:47,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4627 Valid, 10707 Invalid, 4559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1582 Valid, 2977 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-23 03:44:47,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73588 states. [2022-07-23 03:44:49,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73588 to 71688. [2022-07-23 03:44:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71688 states, 50881 states have (on average 1.2871798903323441) internal successors, (65493), 51945 states have internal predecessors, (65493), 16627 states have call successors, (16627), 4180 states have call predecessors, (16627), 4177 states have return successors, (17027), 16040 states have call predecessors, (17027), 16623 states have call successors, (17027) [2022-07-23 03:44:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71688 states to 71688 states and 99147 transitions. [2022-07-23 03:44:49,874 INFO L78 Accepts]: Start accepts. Automaton has 71688 states and 99147 transitions. Word has length 236 [2022-07-23 03:44:49,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:49,877 INFO L495 AbstractCegarLoop]: Abstraction has 71688 states and 99147 transitions. [2022-07-23 03:44:49,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 03:44:49,877 INFO L276 IsEmpty]: Start isEmpty. Operand 71688 states and 99147 transitions. [2022-07-23 03:44:49,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-23 03:44:49,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:49,883 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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] [2022-07-23 03:44:49,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:44:49,884 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:44:49,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:49,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1413573565, now seen corresponding path program 1 times [2022-07-23 03:44:49,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:49,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508352942] [2022-07-23 03:44:49,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:49,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:44:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:44:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 03:44:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 03:44:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:44:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 03:44:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:44:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:44:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:44:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-07-23 03:44:50,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:44:50,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508352942] [2022-07-23 03:44:50,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508352942] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:44:50,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:44:50,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:44:50,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779983721] [2022-07-23 03:44:50,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:44:50,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:44:50,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:44:50,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:44:50,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:44:50,663 INFO L87 Difference]: Start difference. First operand 71688 states and 99147 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 03:44:56,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:44:56,365 INFO L93 Difference]: Finished difference Result 74104 states and 102654 transitions. [2022-07-23 03:44:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:44:56,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 236 [2022-07-23 03:44:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:44:56,720 INFO L225 Difference]: With dead ends: 74104 [2022-07-23 03:44:56,721 INFO L226 Difference]: Without dead ends: 74102 [2022-07-23 03:44:56,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:44:56,770 INFO L413 NwaCegarLoop]: 3613 mSDtfsCounter, 3904 mSDsluCounter, 6254 mSDsCounter, 0 mSdLazyCounter, 3906 mSolverCounterSat, 1338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4325 SdHoareTripleChecker+Valid, 9867 SdHoareTripleChecker+Invalid, 5244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1338 IncrementalHoareTripleChecker+Valid, 3906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:44:56,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4325 Valid, 9867 Invalid, 5244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1338 Valid, 3906 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 03:44:56,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74102 states. [2022-07-23 03:44:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74102 to 72204. [2022-07-23 03:44:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72204 states, 51220 states have (on average 1.2862163217493168) internal successors, (65880), 52316 states have internal predecessors, (65880), 16691 states have call successors, (16691), 4293 states have call predecessors, (16691), 4290 states have return successors, (17091), 16104 states have call predecessors, (17091), 16687 states have call successors, (17091) [2022-07-23 03:44:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72204 states to 72204 states and 99662 transitions. [2022-07-23 03:44:59,331 INFO L78 Accepts]: Start accepts. Automaton has 72204 states and 99662 transitions. Word has length 236 [2022-07-23 03:44:59,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:44:59,332 INFO L495 AbstractCegarLoop]: Abstraction has 72204 states and 99662 transitions. [2022-07-23 03:44:59,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 03:44:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 72204 states and 99662 transitions. [2022-07-23 03:44:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-23 03:44:59,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:44:59,340 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2022-07-23 03:44:59,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:44:59,340 INFO L420 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)] === [2022-07-23 03:44:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:44:59,341 INFO L85 PathProgramCache]: Analyzing trace with hash -424070927, now seen corresponding path program 1 times [2022-07-23 03:44:59,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:44:59,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101460885] [2022-07-23 03:44:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:44:59,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:44:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:44:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:44:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:44:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:44:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:44:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:44:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:44:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:44:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:44:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:44:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:44:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:44:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:44:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:44:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:45:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:45:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 03:45:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 03:45:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:45:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 03:45:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:45:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:45:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-23 03:45:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 03:45:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 03:45:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:00,129 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-07-23 03:45:00,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:45:00,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101460885] [2022-07-23 03:45:00,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101460885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:45:00,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:45:00,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:45:00,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879675743] [2022-07-23 03:45:00,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:45:00,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:45:00,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:45:00,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:45:00,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:45:00,131 INFO L87 Difference]: Start difference. First operand 72204 states and 99662 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 03:45:11,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:45:15,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:45:23,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:45:23,818 INFO L93 Difference]: Finished difference Result 174227 states and 241330 transitions. [2022-07-23 03:45:23,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:45:23,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 244 [2022-07-23 03:45:23,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:45:24,260 INFO L225 Difference]: With dead ends: 174227 [2022-07-23 03:45:24,260 INFO L226 Difference]: Without dead ends: 102309 [2022-07-23 03:45:24,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:45:24,461 INFO L413 NwaCegarLoop]: 6826 mSDtfsCounter, 4401 mSDsluCounter, 6485 mSDsCounter, 0 mSdLazyCounter, 6890 mSolverCounterSat, 2552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4879 SdHoareTripleChecker+Valid, 13311 SdHoareTripleChecker+Invalid, 9442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2552 IncrementalHoareTripleChecker+Valid, 6890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:45:24,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4879 Valid, 13311 Invalid, 9442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2552 Valid, 6890 Invalid, 0 Unknown, 0 Unchecked, 19.9s Time] [2022-07-23 03:45:24,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102309 states. [2022-07-23 03:45:28,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102309 to 94137. [2022-07-23 03:45:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94137 states, 66789 states have (on average 1.286738834239171) internal successors, (85940), 68228 states have internal predecessors, (85940), 21837 states have call successors, (21837), 5495 states have call predecessors, (21837), 5508 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-23 03:45:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94137 states to 94137 states and 130164 transitions. [2022-07-23 03:45:28,536 INFO L78 Accepts]: Start accepts. Automaton has 94137 states and 130164 transitions. Word has length 244 [2022-07-23 03:45:28,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:45:28,537 INFO L495 AbstractCegarLoop]: Abstraction has 94137 states and 130164 transitions. [2022-07-23 03:45:28,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 03:45:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 94137 states and 130164 transitions. [2022-07-23 03:45:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-23 03:45:28,543 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:45:28,543 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:45:28,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 03:45:28,543 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:45:28,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:45:28,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1447062017, now seen corresponding path program 1 times [2022-07-23 03:45:28,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:45:28,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377511637] [2022-07-23 03:45:28,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:45:28,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:45:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:45:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:45:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:45:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:45:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:45:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:45:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:45:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:45:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:45:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:45:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:45:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:45:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:45:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:45:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 03:45:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 03:45:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:45:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 03:45:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:45:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:45:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:45:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 03:45:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-07-23 03:45:29,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:45:29,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377511637] [2022-07-23 03:45:29,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377511637] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:45:29,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:45:29,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:45:29,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683396875] [2022-07-23 03:45:29,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:45:29,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:45:29,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:45:29,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:45:29,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:45:29,309 INFO L87 Difference]: Start difference. First operand 94137 states and 130164 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 03:45:35,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:45:35,904 INFO L93 Difference]: Finished difference Result 96541 states and 133958 transitions. [2022-07-23 03:45:35,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:45:35,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 241 [2022-07-23 03:45:35,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:45:36,459 INFO L225 Difference]: With dead ends: 96541 [2022-07-23 03:45:36,459 INFO L226 Difference]: Without dead ends: 96539 [2022-07-23 03:45:36,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:45:36,500 INFO L413 NwaCegarLoop]: 3613 mSDtfsCounter, 3877 mSDsluCounter, 6245 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4295 SdHoareTripleChecker+Valid, 9858 SdHoareTripleChecker+Invalid, 5190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1342 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:45:36,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4295 Valid, 9858 Invalid, 5190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1342 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 03:45:36,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96539 states. [2022-07-23 03:45:40,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96539 to 94141. [2022-07-23 03:45:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94141 states, 66792 states have (on average 1.286725955204216) internal successors, (85943), 68231 states have internal predecessors, (85943), 21837 states have call successors, (21837), 5496 states have call predecessors, (21837), 5509 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-23 03:45:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94141 states to 94141 states and 130167 transitions. [2022-07-23 03:45:40,620 INFO L78 Accepts]: Start accepts. Automaton has 94141 states and 130167 transitions. Word has length 241 [2022-07-23 03:45:40,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:45:40,620 INFO L495 AbstractCegarLoop]: Abstraction has 94141 states and 130167 transitions. [2022-07-23 03:45:40,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 03:45:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 94141 states and 130167 transitions. [2022-07-23 03:45:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-23 03:45:40,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:45:40,628 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:45:40,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 03:45:40,628 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:45:40,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:45:40,629 INFO L85 PathProgramCache]: Analyzing trace with hash -789474621, now seen corresponding path program 1 times [2022-07-23 03:45:40,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:45:40,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010621254] [2022-07-23 03:45:40,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:45:40,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:45:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:45:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:45:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:45:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:45:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:45:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:45:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:45:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:45:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:45:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:45:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:45:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:45:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:45:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:45:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 03:45:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 03:45:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:45:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 03:45:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:45:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:45:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:45:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 03:45:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 03:45:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2022-07-23 03:45:41,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:45:41,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010621254] [2022-07-23 03:45:41,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010621254] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:45:41,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:45:41,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:45:41,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885015612] [2022-07-23 03:45:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:45:41,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:45:41,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:45:41,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:45:41,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:45:41,386 INFO L87 Difference]: Start difference. First operand 94141 states and 130167 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 03:45:48,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:45:48,181 INFO L93 Difference]: Finished difference Result 96545 states and 133961 transitions. [2022-07-23 03:45:48,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:45:48,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 246 [2022-07-23 03:45:48,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:45:48,545 INFO L225 Difference]: With dead ends: 96545 [2022-07-23 03:45:48,545 INFO L226 Difference]: Without dead ends: 96543 [2022-07-23 03:45:48,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:45:48,593 INFO L413 NwaCegarLoop]: 3614 mSDtfsCounter, 3877 mSDsluCounter, 6248 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4294 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1341 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:45:48,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4294 Valid, 9862 Invalid, 5189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1341 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 03:45:48,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96543 states. [2022-07-23 03:45:52,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96543 to 94145. [2022-07-23 03:45:52,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94145 states, 66795 states have (on average 1.2867130773261473) internal successors, (85946), 68234 states have internal predecessors, (85946), 21837 states have call successors, (21837), 5497 states have call predecessors, (21837), 5510 states have return successors, (22387), 21103 states have call predecessors, (22387), 21833 states have call successors, (22387) [2022-07-23 03:45:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94145 states to 94145 states and 130170 transitions. [2022-07-23 03:45:52,787 INFO L78 Accepts]: Start accepts. Automaton has 94145 states and 130170 transitions. Word has length 246 [2022-07-23 03:45:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:45:52,788 INFO L495 AbstractCegarLoop]: Abstraction has 94145 states and 130170 transitions. [2022-07-23 03:45:52,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 03:45:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 94145 states and 130170 transitions. [2022-07-23 03:45:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-23 03:45:52,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:45:52,796 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:45:52,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 03:45:52,796 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-07-23 03:45:52,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:45:52,797 INFO L85 PathProgramCache]: Analyzing trace with hash -371021055, now seen corresponding path program 1 times [2022-07-23 03:45:52,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:45:52,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101733537] [2022-07-23 03:45:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:45:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:45:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:45:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:45:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:45:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:45:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:45:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:45:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:45:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:45:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:45:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:45:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:45:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:45:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:45:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:45:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 03:45:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 03:45:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:45:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 03:45:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:45:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 03:45:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 03:45:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:45:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 03:45:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 03:45:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 03:45:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:45:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2022-07-23 03:45:53,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:45:53,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101733537] [2022-07-23 03:45:53,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101733537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:45:53,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:45:53,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:45:53,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324102348] [2022-07-23 03:45:53,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:45:53,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:45:53,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:45:53,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:45:53,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:45:53,252 INFO L87 Difference]: Start difference. First operand 94145 states and 130170 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 03:46:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:46:00,364 INFO L93 Difference]: Finished difference Result 96549 states and 133964 transitions. [2022-07-23 03:46:00,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:46:00,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 251 [2022-07-23 03:46:00,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:46:00,712 INFO L225 Difference]: With dead ends: 96549 [2022-07-23 03:46:00,712 INFO L226 Difference]: Without dead ends: 96547 [2022-07-23 03:46:00,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:46:00,771 INFO L413 NwaCegarLoop]: 3615 mSDtfsCounter, 3877 mSDsluCounter, 6251 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 1340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4293 SdHoareTripleChecker+Valid, 9866 SdHoareTripleChecker+Invalid, 5188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1340 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:46:00,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4293 Valid, 9866 Invalid, 5188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1340 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 03:46:00,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96547 states.