./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 ae007674 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-dev-ae00767 [2021-12-28 05:10:51,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:10:51,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:10:51,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:10:51,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:10:51,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:10:51,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:10:51,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:10:51,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:10:51,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:10:51,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:10:51,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:10:51,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:10:51,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:10:51,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:10:51,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:10:51,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:10:51,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:10:51,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:10:51,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:10:51,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:10:51,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:10:51,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:10:51,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:10:51,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:10:51,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:10:51,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:10:51,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:10:51,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:10:51,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:10:51,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:10:51,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:10:51,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:10:51,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:10:51,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:10:51,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:10:51,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:10:51,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:10:51,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:10:51,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:10:51,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:10:51,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:10:51,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:10:51,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:10:51,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:10:51,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:10:51,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:10:51,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:10:51,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:10:51,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:10:51,522 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:10:51,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:10:51,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:10:51,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:10:51,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:10:51,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:10:51,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:10:51,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:10:51,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:10:51,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:10:51,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:10:51,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:10:51,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:10:51,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:10:51,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:10:51,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:10:51,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:10:51,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:10:51,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:10:51,525 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:10:51,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:10:51,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:10:51,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc [2021-12-28 05:10:51,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:10:51,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:10:51,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:10:51,781 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:10:51,781 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:10:51,782 INFO L432 ainManager$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 [2021-12-28 05:10:51,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4efb4ff/7ea28ea6c03d4879aa6e537db1aa19f5/FLAGeff114eff [2021-12-28 05:10:52,569 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:10:52,569 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 [2021-12-28 05:10:52,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4efb4ff/7ea28ea6c03d4879aa6e537db1aa19f5/FLAGeff114eff [2021-12-28 05:10:52,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4efb4ff/7ea28ea6c03d4879aa6e537db1aa19f5 [2021-12-28 05:10:52,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:10:52,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:10:52,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:10:52,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:10:52,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:10:52,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:10:52" (1/1) ... [2021-12-28 05:10:52,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fe6238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:52, skipping insertion in model container [2021-12-28 05:10:52,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:10:52" (1/1) ... [2021-12-28 05:10:52,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:10:53,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:10:55,681 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] [2021-12-28 05:10:55,683 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] [2021-12-28 05:10:55,684 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] [2021-12-28 05:10:55,684 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] [2021-12-28 05:10:55,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:10:55,753 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:10:56,055 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] [2021-12-28 05:10:56,055 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] [2021-12-28 05:10:56,056 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] [2021-12-28 05:10:56,056 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] [2021-12-28 05:10:56,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:10:56,373 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:10:56,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56 WrapperNode [2021-12-28 05:10:56,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:10:56,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:10:56,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:10:56,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:10:56,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,713 INFO L137 Inliner]: procedures = 559, calls = 2867, calls flagged for inlining = 295, calls inlined = 261, statements flattened = 7372 [2021-12-28 05:10:56,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:10:56,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:10:56,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:10:56,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:10:56,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:10:56,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:10:56,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:10:56,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:10:56,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (1/1) ... [2021-12-28 05:10:56,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:10:56,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:10:56,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:10:56,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-28 05:10:56,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-28 05:10:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:10:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 05:10:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 05:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:10:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:10:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:10:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 05:10:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 05:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:10:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:10:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:10:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:10:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2021-12-28 05:10:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2021-12-28 05:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2021-12-28 05:10:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2021-12-28 05:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 05:10:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 05:10:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:10:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:10:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 05:10:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 05:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:10:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:10:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:10:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:10:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 05:10:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 05:10:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:10:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2021-12-28 05:10:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2021-12-28 05:10:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:10:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:10:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 05:10:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 05:10:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:10:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2021-12-28 05:10:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2021-12-28 05:10:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:10:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:10:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-28 05:10:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-28 05:10:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:10:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:10:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:10:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2021-12-28 05:10:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2021-12-28 05:10:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:10:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:10:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:10:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:10:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:10:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2021-12-28 05:10:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2021-12-28 05:10:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:10:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:10:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:10:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:10:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:10:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:10:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 05:10:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 05:10:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:10:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:10:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2021-12-28 05:10:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2021-12-28 05:10:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-28 05:10:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-28 05:10:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2021-12-28 05:10:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2021-12-28 05:10:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:10:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:10:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:10:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:10:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:10:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 05:10:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 05:10:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-28 05:10:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-28 05:10:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 05:10:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 05:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 05:10:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 05:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2021-12-28 05:10:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2021-12-28 05:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:10:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 05:10:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 05:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:10:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:10:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 05:10:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:10:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2021-12-28 05:10:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2021-12-28 05:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2021-12-28 05:10:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2021-12-28 05:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 05:10:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 05:10:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2021-12-28 05:10:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2021-12-28 05:10:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 05:10:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 05:10:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-28 05:10:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-28 05:10:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:10:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:10:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 05:10:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 05:10:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:10:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:10:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2021-12-28 05:10:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2021-12-28 05:10:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 05:10:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 05:10:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:10:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:10:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2021-12-28 05:10:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2021-12-28 05:10:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-28 05:10:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-28 05:10:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:10:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:10:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 05:10:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 05:10:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:10:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:10:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:10:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:10:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2021-12-28 05:10:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2021-12-28 05:10:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:10:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:10:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2021-12-28 05:10:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2021-12-28 05:10:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2021-12-28 05:10:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2021-12-28 05:10:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 05:10:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:10:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:10:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2021-12-28 05:10:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2021-12-28 05:10:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2021-12-28 05:10:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2021-12-28 05:10:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 05:10:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 05:10:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:10:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:10:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-28 05:10:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-28 05:10:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:10:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:10:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-28 05:10:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-28 05:10:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-28 05:10:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-28 05:10:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2021-12-28 05:10:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2021-12-28 05:10:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2021-12-28 05:10:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2021-12-28 05:10:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2021-12-28 05:10:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2021-12-28 05:10:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:10:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:10:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:10:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2021-12-28 05:10:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2021-12-28 05:10:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:10:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:10:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:10:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2021-12-28 05:10:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2021-12-28 05:10:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:10:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2021-12-28 05:10:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2021-12-28 05:10:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2021-12-28 05:10:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2021-12-28 05:10:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-28 05:10:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-28 05:10:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:10:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:10:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-28 05:10:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-28 05:10:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:10:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:10:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2021-12-28 05:10:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2021-12-28 05:10:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-28 05:10:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-28 05:10:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 05:10:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 05:10:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2021-12-28 05:10:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2021-12-28 05:10:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-28 05:10:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-28 05:10:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2021-12-28 05:10:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2021-12-28 05:10:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2021-12-28 05:10:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2021-12-28 05:10:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 05:10:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 05:10:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:10:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:10:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:10:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:10:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2021-12-28 05:10:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2021-12-28 05:10:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:10:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:10:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2021-12-28 05:10:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2021-12-28 05:10:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2021-12-28 05:10:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2021-12-28 05:10:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 05:10:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 05:10:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:10:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:10:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:10:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2021-12-28 05:10:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2021-12-28 05:10:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:10:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:10:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:10:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:10:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 05:10:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 05:10:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2021-12-28 05:10:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2021-12-28 05:10:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2021-12-28 05:10:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2021-12-28 05:10:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-28 05:10:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-28 05:10:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2021-12-28 05:10:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2021-12-28 05:10:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:10:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:10:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 05:10:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 05:10:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 05:10:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 05:10:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-28 05:10:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-28 05:10:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-28 05:10:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-28 05:10:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:10:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-28 05:10:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-28 05:10:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-28 05:10:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-28 05:10:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:10:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:10:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 05:10:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 05:10:57,759 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:10:57,761 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:10:57,890 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:11:01,946 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:11:02,019 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:11:02,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:11:02,033 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-28 05:11:02,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:02 BoogieIcfgContainer [2021-12-28 05:11:02,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:11:02,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:11:02,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:11:02,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:11:02,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:10:52" (1/3) ... [2021-12-28 05:11:02,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4799b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:02, skipping insertion in model container [2021-12-28 05:11:02,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:56" (2/3) ... [2021-12-28 05:11:02,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4799b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:02, skipping insertion in model container [2021-12-28 05:11:02,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:02" (3/3) ... [2021-12-28 05:11:02,040 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-12-28 05:11:02,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:11:02,043 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 05:11:02,083 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:11:02,088 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:11:02,088 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 05:11:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 2673 states, 1858 states have (on average 1.3003229278794401) internal successors, (2416), 1900 states have internal predecessors, (2416), 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) [2021-12-28 05:11:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 05:11:02,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:02,144 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:11:02,144 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:02,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:02,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1294892158, now seen corresponding path program 1 times [2021-12-28 05:11:02,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:02,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044072442] [2021-12-28 05:11:02,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:02,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 05:11:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:11:02,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:02,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044072442] [2021-12-28 05:11:02,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044072442] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:02,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:02,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:02,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893367038] [2021-12-28 05:11:02,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:02,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:02,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:02,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:02,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:02,903 INFO L87 Difference]: Start difference. First operand has 2673 states, 1858 states have (on average 1.3003229278794401) internal successors, (2416), 1900 states have internal predecessors, (2416), 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) [2021-12-28 05:11:07,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:07,522 INFO L93 Difference]: Finished difference Result 7907 states and 11503 transitions. [2021-12-28 05:11:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:07,524 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 [2021-12-28 05:11:07,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:07,561 INFO L225 Difference]: With dead ends: 7907 [2021-12-28 05:11:07,562 INFO L226 Difference]: Without dead ends: 5253 [2021-12-28 05:11:07,580 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:11:07,582 INFO L933 BasicCegarLoop]: 3957 mSDtfsCounter, 4472 mSDsluCounter, 3690 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5086 SdHoareTripleChecker+Valid, 7647 SdHoareTripleChecker+Invalid, 4893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:07,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5086 Valid, 7647 Invalid, 4893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1952 Valid, 2941 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-28 05:11:07,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2021-12-28 05:11:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 5097. [2021-12-28 05:11:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5097 states, 3550 states have (on average 1.287887323943662) internal successors, (4572), 3627 states have internal predecessors, (4572), 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) [2021-12-28 05:11:07,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 5097 states and 7176 transitions. [2021-12-28 05:11:07,882 INFO L78 Accepts]: Start accepts. Automaton has 5097 states and 7176 transitions. Word has length 171 [2021-12-28 05:11:07,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:07,885 INFO L470 AbstractCegarLoop]: Abstraction has 5097 states and 7176 transitions. [2021-12-28 05:11:07,885 INFO L471 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) [2021-12-28 05:11:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 7176 transitions. [2021-12-28 05:11:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-28 05:11:07,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:07,894 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:11:07,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:11:07,895 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:07,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:07,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1901454946, now seen corresponding path program 1 times [2021-12-28 05:11:07,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:07,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905313026] [2021-12-28 05:11:07,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:07,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-28 05:11:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 05:11:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:11:08,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:08,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905313026] [2021-12-28 05:11:08,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905313026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:08,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:08,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:08,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494523127] [2021-12-28 05:11:08,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:08,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:08,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:08,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:08,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:08,372 INFO L87 Difference]: Start difference. First operand 5097 states and 7176 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) [2021-12-28 05:11:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:12,816 INFO L93 Difference]: Finished difference Result 15393 states and 21792 transitions. [2021-12-28 05:11:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:12,817 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 [2021-12-28 05:11:12,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:12,928 INFO L225 Difference]: With dead ends: 15393 [2021-12-28 05:11:12,928 INFO L226 Difference]: Without dead ends: 10327 [2021-12-28 05:11:12,951 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:11:12,953 INFO L933 BasicCegarLoop]: 4184 mSDtfsCounter, 4499 mSDsluCounter, 3895 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 1972 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5105 SdHoareTripleChecker+Valid, 8079 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1972 IncrementalHoareTripleChecker+Valid, 2888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:12,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5105 Valid, 8079 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1972 Valid, 2888 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-28 05:11:12,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10327 states. [2021-12-28 05:11:13,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10327 to 10151. [2021-12-28 05:11:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10151 states, 7099 states have (on average 1.2894773911818567) internal successors, (9154), 7271 states have internal predecessors, (9154), 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) [2021-12-28 05:11:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10151 states to 10151 states and 14352 transitions. [2021-12-28 05:11:13,322 INFO L78 Accepts]: Start accepts. Automaton has 10151 states and 14352 transitions. Word has length 175 [2021-12-28 05:11:13,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:13,322 INFO L470 AbstractCegarLoop]: Abstraction has 10151 states and 14352 transitions. [2021-12-28 05:11:13,323 INFO L471 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) [2021-12-28 05:11:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 10151 states and 14352 transitions. [2021-12-28 05:11:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-28 05:11:13,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:13,327 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:11:13,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:11:13,327 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:13,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash 821671759, now seen corresponding path program 1 times [2021-12-28 05:11:13,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:13,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117128961] [2021-12-28 05:11:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:13,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 05:11:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:11:13,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:13,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117128961] [2021-12-28 05:11:13,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117128961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:13,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:13,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:13,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544022221] [2021-12-28 05:11:13,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:13,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:13,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:13,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:13,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:13,701 INFO L87 Difference]: Start difference. First operand 10151 states and 14352 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) [2021-12-28 05:11:17,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:17,981 INFO L93 Difference]: Finished difference Result 28089 states and 39650 transitions. [2021-12-28 05:11:17,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:17,981 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 [2021-12-28 05:11:17,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:18,076 INFO L225 Difference]: With dead ends: 28089 [2021-12-28 05:11:18,076 INFO L226 Difference]: Without dead ends: 17969 [2021-12-28 05:11:18,124 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:11:18,125 INFO L933 BasicCegarLoop]: 3800 mSDtfsCounter, 3666 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 2839 mSolverCounterSat, 1807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4146 SdHoareTripleChecker+Valid, 7463 SdHoareTripleChecker+Invalid, 4646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 2839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:18,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4146 Valid, 7463 Invalid, 4646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1807 Valid, 2839 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-28 05:11:18,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17969 states. [2021-12-28 05:11:18,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17969 to 17543. [2021-12-28 05:11:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17543 states, 12241 states have (on average 1.2896005228331018) internal successors, (15786), 12529 states have internal predecessors, (15786), 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) [2021-12-28 05:11:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17543 states to 17543 states and 24634 transitions. [2021-12-28 05:11:18,933 INFO L78 Accepts]: Start accepts. Automaton has 17543 states and 24634 transitions. Word has length 174 [2021-12-28 05:11:18,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:18,935 INFO L470 AbstractCegarLoop]: Abstraction has 17543 states and 24634 transitions. [2021-12-28 05:11:18,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (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) [2021-12-28 05:11:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 17543 states and 24634 transitions. [2021-12-28 05:11:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-28 05:11:18,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:18,939 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:11:18,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:11:18,939 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:18,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:18,940 INFO L85 PathProgramCache]: Analyzing trace with hash 999564978, now seen corresponding path program 1 times [2021-12-28 05:11:18,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:18,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074480071] [2021-12-28 05:11:18,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:18,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 05:11:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-28 05:11:19,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:19,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074480071] [2021-12-28 05:11:19,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074480071] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:19,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:19,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:19,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385323842] [2021-12-28 05:11:19,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:19,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:19,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:19,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:19,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:19,264 INFO L87 Difference]: Start difference. First operand 17543 states and 24634 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) [2021-12-28 05:11:24,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:24,039 INFO L93 Difference]: Finished difference Result 40378 states and 56317 transitions. [2021-12-28 05:11:24,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:24,040 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 [2021-12-28 05:11:24,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:24,128 INFO L225 Difference]: With dead ends: 40378 [2021-12-28 05:11:24,128 INFO L226 Difference]: Without dead ends: 22866 [2021-12-28 05:11:24,189 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:11:24,190 INFO L933 BasicCegarLoop]: 5997 mSDtfsCounter, 3624 mSDsluCounter, 4742 mSDsCounter, 0 mSdLazyCounter, 3012 mSolverCounterSat, 1483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4212 SdHoareTripleChecker+Valid, 10739 SdHoareTripleChecker+Invalid, 4495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1483 IncrementalHoareTripleChecker+Valid, 3012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:24,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4212 Valid, 10739 Invalid, 4495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1483 Valid, 3012 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-28 05:11:24,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22866 states. [2021-12-28 05:11:24,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22866 to 22191. [2021-12-28 05:11:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22191 states, 15454 states have (on average 1.2807687330141064) internal successors, (19793), 15791 states have internal predecessors, (19793), 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) [2021-12-28 05:11:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22191 states to 22191 states and 30592 transitions. [2021-12-28 05:11:25,011 INFO L78 Accepts]: Start accepts. Automaton has 22191 states and 30592 transitions. Word has length 177 [2021-12-28 05:11:25,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:25,012 INFO L470 AbstractCegarLoop]: Abstraction has 22191 states and 30592 transitions. [2021-12-28 05:11:25,012 INFO L471 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) [2021-12-28 05:11:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 22191 states and 30592 transitions. [2021-12-28 05:11:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-28 05:11:25,016 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:25,017 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:11:25,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:11:25,017 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:25,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:25,018 INFO L85 PathProgramCache]: Analyzing trace with hash -674766659, now seen corresponding path program 1 times [2021-12-28 05:11:25,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:25,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755925832] [2021-12-28 05:11:25,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:25,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 05:11:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 05:11:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 05:11:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 05:11:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 05:11:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 05:11:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-12-28 05:11:25,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:25,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755925832] [2021-12-28 05:11:25,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755925832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:25,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:25,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:25,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357187231] [2021-12-28 05:11:25,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:25,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:25,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:25,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:25,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:25,427 INFO L87 Difference]: Start difference. First operand 22191 states and 30592 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) [2021-12-28 05:11:30,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:30,233 INFO L93 Difference]: Finished difference Result 57521 states and 79656 transitions. [2021-12-28 05:11:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:30,234 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 [2021-12-28 05:11:30,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:30,541 INFO L225 Difference]: With dead ends: 57521 [2021-12-28 05:11:30,541 INFO L226 Difference]: Without dead ends: 35616 [2021-12-28 05:11:30,609 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:11:30,611 INFO L933 BasicCegarLoop]: 5566 mSDtfsCounter, 3876 mSDsluCounter, 4569 mSDsCounter, 0 mSdLazyCounter, 2954 mSolverCounterSat, 1594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 10135 SdHoareTripleChecker+Invalid, 4548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1594 IncrementalHoareTripleChecker+Valid, 2954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:30,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4477 Valid, 10135 Invalid, 4548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1594 Valid, 2954 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-28 05:11:30,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35616 states. [2021-12-28 05:11:31,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35616 to 34664. [2021-12-28 05:11:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34664 states, 24202 states have (on average 1.2818362118833155) internal successors, (31023), 24727 states have internal predecessors, (31023), 8368 states have call successors, (8368), 2093 states have call predecessors, (8368), 2091 states have return successors, (8542), 8082 states have call predecessors, (8542), 8364 states have call successors, (8542) [2021-12-28 05:11:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34664 states to 34664 states and 47933 transitions. [2021-12-28 05:11:31,826 INFO L78 Accepts]: Start accepts. Automaton has 34664 states and 47933 transitions. Word has length 236 [2021-12-28 05:11:31,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:31,827 INFO L470 AbstractCegarLoop]: Abstraction has 34664 states and 47933 transitions. [2021-12-28 05:11:31,829 INFO L471 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) [2021-12-28 05:11:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 34664 states and 47933 transitions. [2021-12-28 05:11:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-28 05:11:31,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:31,833 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:11:31,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 05:11:31,833 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:31,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:31,833 INFO L85 PathProgramCache]: Analyzing trace with hash -534218049, now seen corresponding path program 1 times [2021-12-28 05:11:31,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:31,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072946627] [2021-12-28 05:11:31,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:31,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 05:11:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 05:11:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 05:11:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 05:11:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 05:11:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 05:11:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2021-12-28 05:11:32,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:32,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072946627] [2021-12-28 05:11:32,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072946627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:32,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:32,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:11:32,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364058002] [2021-12-28 05:11:32,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:32,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:11:32,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:32,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:11:32,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:11:32,286 INFO L87 Difference]: Start difference. First operand 34664 states and 47933 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) [2021-12-28 05:11:36,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:36,868 INFO L93 Difference]: Finished difference Result 35876 states and 49696 transitions. [2021-12-28 05:11:36,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 05:11:36,869 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 [2021-12-28 05:11:36,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:37,016 INFO L225 Difference]: With dead ends: 35876 [2021-12-28 05:11:37,016 INFO L226 Difference]: Without dead ends: 35874 [2021-12-28 05:11:37,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 05:11:37,034 INFO L933 BasicCegarLoop]: 3489 mSDtfsCounter, 3758 mSDsluCounter, 5951 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 1338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4180 SdHoareTripleChecker+Valid, 9440 SdHoareTripleChecker+Invalid, 5198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1338 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:37,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4180 Valid, 9440 Invalid, 5198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1338 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-28 05:11:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35874 states. [2021-12-28 05:11:37,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35874 to 34924. [2021-12-28 05:11:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34924 states, 24373 states have (on average 1.2808435563943708) internal successors, (31218), 24914 states have internal predecessors, (31218), 8400 states have call successors, (8400), 2150 states have call predecessors, (8400), 2148 states have return successors, (8574), 8114 states have call predecessors, (8574), 8396 states have call successors, (8574) [2021-12-28 05:11:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34924 states to 34924 states and 48192 transitions. [2021-12-28 05:11:38,182 INFO L78 Accepts]: Start accepts. Automaton has 34924 states and 48192 transitions. Word has length 236 [2021-12-28 05:11:38,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:38,182 INFO L470 AbstractCegarLoop]: Abstraction has 34924 states and 48192 transitions. [2021-12-28 05:11:38,182 INFO L471 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) [2021-12-28 05:11:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 34924 states and 48192 transitions. [2021-12-28 05:11:38,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-28 05:11:38,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:38,188 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:11:38,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 05:11:38,188 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:38,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1794816192, now seen corresponding path program 1 times [2021-12-28 05:11:38,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:38,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270945475] [2021-12-28 05:11:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:38,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 05:11:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 05:11:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 05:11:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 05:11:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 05:11:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 05:11:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-28 05:11:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 05:11:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-28 05:11:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-12-28 05:11:38,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:38,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270945475] [2021-12-28 05:11:38,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270945475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:38,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:38,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:11:38,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398803210] [2021-12-28 05:11:38,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:38,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:11:38,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:38,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:11:38,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:11:38,565 INFO L87 Difference]: Start difference. First operand 34924 states and 48192 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)