./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-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa --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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:56:36,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:56:36,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:56:36,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:56:36,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:56:36,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:56:36,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:56:36,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:56:36,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:56:36,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:56:36,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:56:36,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:56:36,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:56:36,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:56:36,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:56:36,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:56:36,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:56:36,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:56:36,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:56:36,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:56:36,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:56:36,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:56:36,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:56:36,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:56:36,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:56:36,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:56:36,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:56:36,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:56:36,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:56:36,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:56:36,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:56:36,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:56:36,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:56:36,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:56:36,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:56:36,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:56:36,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:56:36,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:56:36,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:56:36,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:56:36,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:56:36,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 18:56:36,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:56:36,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:56:36,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:56:36,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:56:36,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:56:36,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:56:36,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:56:36,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:56:36,372 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:56:36,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:56:36,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:56:36,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:56:36,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:56:36,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:56:36,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:56:36,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:56:36,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:56:36,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:56:36,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:56:36,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:56:36,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:56:36,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:56:36,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:56:36,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:56:36,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:56:36,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:56:36,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:56:36,374 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:56:36,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:56:36,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:56:36,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:56:36,374 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2021-12-06 18:56:36,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:56:36,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:56:36,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:56:36,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:56:36,571 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:56:36,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-06 18:56:36,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/data/3633b5e83/3b05062e3d654e82957fd08e06483e1e/FLAGd240f1ec2 [2021-12-06 18:56:37,299 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:56:37,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-06 18:56:37,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/data/3633b5e83/3b05062e3d654e82957fd08e06483e1e/FLAGd240f1ec2 [2021-12-06 18:56:37,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/data/3633b5e83/3b05062e3d654e82957fd08e06483e1e [2021-12-06 18:56:37,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:56:37,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:56:37,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:56:37,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:56:37,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:56:37,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:56:37" (1/1) ... [2021-12-06 18:56:37,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44eb79b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:37, skipping insertion in model container [2021-12-06 18:56:37,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:56:37" (1/1) ... [2021-12-06 18:56:37,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:56:37,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:56:41,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-12-06 18:56:41,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-12-06 18:56:41,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-12-06 18:56:41,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-12-06 18:56:41,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:56:41,911 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:56:42,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-12-06 18:56:42,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-12-06 18:56:42,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-12-06 18:56:42,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-12-06 18:56:42,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:56:42,575 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:56:42,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42 WrapperNode [2021-12-06 18:56:42,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:56:42,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:56:42,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:56:42,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:56:42,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:42,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:42,968 INFO L137 Inliner]: procedures = 703, calls = 5887, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 10884 [2021-12-06 18:56:42,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:56:42,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:56:42,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:56:42,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:56:42,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:42,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:43,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:43,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:43,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:43,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:43,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:43,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:56:43,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:56:43,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:56:43,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:56:43,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (1/1) ... [2021-12-06 18:56:43,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:56:43,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:43,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:43,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40c63ab4-6118-4cf1-ae5c-180e02ab7ec8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:56:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2021-12-06 18:56:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2021-12-06 18:56:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-06 18:56:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-06 18:56:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-12-06 18:56:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-12-06 18:56:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 18:56:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 18:56:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-06 18:56:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-06 18:56:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-06 18:56:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-06 18:56:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-12-06 18:56:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-12-06 18:56:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 18:56:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 18:56:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 18:56:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 18:56:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-12-06 18:56:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-12-06 18:56:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-12-06 18:56:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-12-06 18:56:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-06 18:56:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-06 18:56:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 18:56:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 18:56:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-12-06 18:56:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-12-06 18:56:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-12-06 18:56:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-12-06 18:56:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-12-06 18:56:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-12-06 18:56:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 18:56:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 18:56:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 18:56:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 18:56:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 18:56:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 18:56:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-12-06 18:56:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-12-06 18:56:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-12-06 18:56:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-12-06 18:56:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-12-06 18:56:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-12-06 18:56:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-12-06 18:56:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-12-06 18:56:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-06 18:56:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-06 18:56:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-06 18:56:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-06 18:56:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 18:56:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 18:56:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 18:56:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 18:56:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-06 18:56:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-06 18:56:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-12-06 18:56:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-12-06 18:56:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 18:56:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 18:56:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 18:56:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 18:56:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-12-06 18:56:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-12-06 18:56:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 18:56:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 18:56:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-06 18:56:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-06 18:56:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 18:56:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 18:56:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 18:56:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 18:56:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 18:56:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 18:56:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-06 18:56:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-06 18:56:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:56:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-12-06 18:56:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-12-06 18:56:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-06 18:56:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-06 18:56:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-12-06 18:56:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-12-06 18:56:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 18:56:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 18:56:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-12-06 18:56:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-12-06 18:56:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-06 18:56:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-06 18:56:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 18:56:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 18:56:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 18:56:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 18:56:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 18:56:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-06 18:56:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-06 18:56:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 18:56:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 18:56:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-12-06 18:56:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-12-06 18:56:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-12-06 18:56:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-12-06 18:56:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 18:56:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-12-06 18:56:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-12-06 18:56:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 18:56:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 18:56:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:56:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 18:56:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 18:56:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-06 18:56:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-06 18:56:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 18:56:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 18:56:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-12-06 18:56:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-12-06 18:56:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 18:56:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 18:56:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-06 18:56:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-06 18:56:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 18:56:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 18:56:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 18:56:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 18:56:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 18:56:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 18:56:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-12-06 18:56:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-12-06 18:56:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-12-06 18:56:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-12-06 18:56:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-06 18:56:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-06 18:56:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 18:56:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 18:56:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 18:56:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 18:56:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-12-06 18:56:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 18:56:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 18:56:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 18:56:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 18:56:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-06 18:56:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 18:56:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 18:56:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 18:56:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-06 18:56:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 18:56:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 18:56:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 18:56:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:56:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-06 18:56:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:56:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:56:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 18:56:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-06 18:56:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 18:56:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-12-06 18:56:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 18:56:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-12-06 18:56:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 18:56:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-12-06 18:56:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 18:56:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 18:56:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:56:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:56:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-12-06 18:56:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-12-06 18:56:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-12-06 18:56:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-12-06 18:56:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-06 18:56:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-06 18:56:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-12-06 18:56:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-12-06 18:56:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-06 18:56:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-06 18:56:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-12-06 18:56:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-12-06 18:56:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 18:56:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 18:56:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-06 18:56:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 18:56:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-12-06 18:56:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 18:56:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-06 18:56:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 18:56:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-12-06 18:56:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-12-06 18:56:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-12-06 18:56:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-12-06 18:56:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 18:56:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-06 18:56:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-12-06 18:56:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 18:56:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 18:56:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 18:56:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-06 18:56:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-12-06 18:56:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-12-06 18:56:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-06 18:56:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-06 18:56:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-12-06 18:56:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-12-06 18:56:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-12-06 18:56:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-12-06 18:56:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-06 18:56:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 18:56:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-12-06 18:56:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-06 18:56:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-12-06 18:56:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 18:56:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 18:56:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 18:56:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 18:56:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 18:56:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 18:56:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 18:56:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-06 18:56:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-12-06 18:56:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-06 18:56:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-12-06 18:56:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 18:56:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 18:56:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-12-06 18:56:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 18:56:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 18:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-12-06 18:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-12-06 18:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-12-06 18:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-12-06 18:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-12-06 18:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 18:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-12-06 18:56:43,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-12-06 18:56:43,377 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-12-06 18:56:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 18:56:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 18:56:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-12-06 18:56:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-12-06 18:56:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-12-06 18:56:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 18:56:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 18:56:43,378 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-12-06 18:56:43,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2021-12-06 18:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 18:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-12-06 18:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-12-06 18:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-06 18:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-12-06 18:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-12-06 18:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-12-06 18:56:43,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-12-06 18:56:43,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 18:56:43,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 18:56:44,085 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:56:44,089 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:56:44,384 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 18:56:54,927 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 18:56:55,303 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:56:55,326 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:56:55,326 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 18:56:55,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:56:55 BoogieIcfgContainer [2021-12-06 18:56:55,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:56:55,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:56:55,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:56:55,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:56:55,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:56:37" (1/3) ... [2021-12-06 18:56:55,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4242cb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:56:55, skipping insertion in model container [2021-12-06 18:56:55,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:42" (2/3) ... [2021-12-06 18:56:55,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4242cb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:56:55, skipping insertion in model container [2021-12-06 18:56:55,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:56:55" (3/3) ... [2021-12-06 18:56:55,337 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-06 18:56:55,341 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:56:55,341 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-06 18:56:55,388 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:56:55,393 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 [2021-12-06 18:56:55,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-06 18:56:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2021-12-06 18:56:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-12-06 18:56:55,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:56:55,478 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:55,479 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:56:55,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:55,483 INFO L85 PathProgramCache]: Analyzing trace with hash -676951814, now seen corresponding path program 1 times [2021-12-06 18:56:55,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:55,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663333473] [2021-12-06 18:56:55,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:55,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:56:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:56:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:56:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:56:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:56:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:56:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:56:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:56:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:56:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:56:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:56:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:56:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:56:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:56:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:56:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:56:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:56:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:56:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:56:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:56:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:56:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:56:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:56:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 18:56:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-06 18:56:56,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:56:56,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663333473] [2021-12-06 18:56:56,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663333473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:56:56,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:56:56,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:56:56,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557827490] [2021-12-06 18:56:56,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:56:56,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:56:56,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:56:56,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:56:56,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:56:56,570 INFO L87 Difference]: Start difference. First operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-06 18:57:02,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:04,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:04,930 INFO L93 Difference]: Finished difference Result 10087 states and 14560 transitions. [2021-12-06 18:57:04,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:57:04,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 261 [2021-12-06 18:57:04,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:04,997 INFO L225 Difference]: With dead ends: 10087 [2021-12-06 18:57:04,997 INFO L226 Difference]: Without dead ends: 6723 [2021-12-06 18:57:05,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:05,062 INFO L933 BasicCegarLoop]: 5237 mSDtfsCounter, 5269 mSDsluCounter, 6239 mSDsCounter, 0 mSdLazyCounter, 2498 mSolverCounterSat, 2081 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5934 SdHoareTripleChecker+Valid, 11476 SdHoareTripleChecker+Invalid, 4580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2081 IncrementalHoareTripleChecker+Valid, 2498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:05,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5934 Valid, 11476 Invalid, 4580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2081 Valid, 2498 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2021-12-06 18:57:05,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2021-12-06 18:57:05,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6587. [2021-12-06 18:57:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 4587 states have (on average 1.264442991061696) internal successors, (5800), 4671 states have internal predecessors, (5800), 1658 states have call successors, (1658), 339 states have call predecessors, (1658), 338 states have return successors, (1654), 1622 states have call predecessors, (1654), 1654 states have call successors, (1654) [2021-12-06 18:57:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9112 transitions. [2021-12-06 18:57:05,444 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9112 transitions. Word has length 261 [2021-12-06 18:57:05,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:05,446 INFO L470 AbstractCegarLoop]: Abstraction has 6587 states and 9112 transitions. [2021-12-06 18:57:05,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-06 18:57:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9112 transitions. [2021-12-06 18:57:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-06 18:57:05,453 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:05,453 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:05,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:57:05,454 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:57:05,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:05,454 INFO L85 PathProgramCache]: Analyzing trace with hash -835981002, now seen corresponding path program 1 times [2021-12-06 18:57:05,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:05,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034636256] [2021-12-06 18:57:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:05,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:57:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:57:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:57:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:57:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:57:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:57:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:57:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:57:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:57:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:57:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:57:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:57:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:57:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:57:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:57:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:57:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:57:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:57:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:57:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:57:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:57:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:57:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-06 18:57:06,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:06,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034636256] [2021-12-06 18:57:06,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034636256] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:06,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:06,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:06,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561921878] [2021-12-06 18:57:06,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:06,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:06,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:06,103 INFO L87 Difference]: Start difference. First operand 6587 states and 9112 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 18:57:12,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:15,531 INFO L93 Difference]: Finished difference Result 16506 states and 23047 transitions. [2021-12-06 18:57:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:57:15,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2021-12-06 18:57:15,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:15,593 INFO L225 Difference]: With dead ends: 16506 [2021-12-06 18:57:15,593 INFO L226 Difference]: Without dead ends: 9966 [2021-12-06 18:57:15,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:15,618 INFO L933 BasicCegarLoop]: 5281 mSDtfsCounter, 5169 mSDsluCounter, 6274 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 2114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5841 SdHoareTripleChecker+Valid, 11555 SdHoareTripleChecker+Invalid, 4641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2114 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:15,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5841 Valid, 11555 Invalid, 4641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2114 Valid, 2526 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-12-06 18:57:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9966 states. [2021-12-06 18:57:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9966 to 9737. [2021-12-06 18:57:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 6776 states have (on average 1.2629870129870129) internal successors, (8558), 6904 states have internal predecessors, (8558), 2449 states have call successors, (2449), 509 states have call predecessors, (2449), 508 states have return successors, (2445), 2392 states have call predecessors, (2445), 2445 states have call successors, (2445) [2021-12-06 18:57:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 13452 transitions. [2021-12-06 18:57:15,987 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 13452 transitions. Word has length 267 [2021-12-06 18:57:15,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:15,988 INFO L470 AbstractCegarLoop]: Abstraction has 9737 states and 13452 transitions. [2021-12-06 18:57:15,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 18:57:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 13452 transitions. [2021-12-06 18:57:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-06 18:57:15,994 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:15,994 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:15,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:57:15,994 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:57:15,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:15,995 INFO L85 PathProgramCache]: Analyzing trace with hash 314562561, now seen corresponding path program 1 times [2021-12-06 18:57:15,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:15,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242207333] [2021-12-06 18:57:15,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:15,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:57:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:57:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:57:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:57:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:57:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:57:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:57:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:57:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:57:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:57:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:57:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:57:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:57:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:57:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:57:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:57:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:57:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:57:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:57:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:57:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:57:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:57:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 18:57:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 18:57:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-06 18:57:16,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:16,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242207333] [2021-12-06 18:57:16,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242207333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:16,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:16,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:16,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360181457] [2021-12-06 18:57:16,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:16,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:16,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:16,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:16,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:16,626 INFO L87 Difference]: Start difference. First operand 9737 states and 13452 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 18:57:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:20,486 INFO L93 Difference]: Finished difference Result 19402 states and 27003 transitions. [2021-12-06 18:57:20,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:57:20,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2021-12-06 18:57:20,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:20,538 INFO L225 Difference]: With dead ends: 19402 [2021-12-06 18:57:20,538 INFO L226 Difference]: Without dead ends: 9712 [2021-12-06 18:57:20,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:20,569 INFO L933 BasicCegarLoop]: 4391 mSDtfsCounter, 4476 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 1249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 6641 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:20,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5023 Valid, 6641 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1249 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-06 18:57:20,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9712 states. [2021-12-06 18:57:20,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9712 to 9515. [2021-12-06 18:57:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9515 states, 6633 states have (on average 1.2620232172470978) internal successors, (8371), 6752 states have internal predecessors, (8371), 2375 states have call successors, (2375), 504 states have call predecessors, (2375), 503 states have return successors, (2371), 2321 states have call predecessors, (2371), 2371 states have call successors, (2371) [2021-12-06 18:57:20,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9515 states to 9515 states and 13117 transitions. [2021-12-06 18:57:20,913 INFO L78 Accepts]: Start accepts. Automaton has 9515 states and 13117 transitions. Word has length 269 [2021-12-06 18:57:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:20,913 INFO L470 AbstractCegarLoop]: Abstraction has 9515 states and 13117 transitions. [2021-12-06 18:57:20,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 18:57:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 9515 states and 13117 transitions. [2021-12-06 18:57:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-06 18:57:20,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:20,919 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:20,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:57:20,919 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:57:20,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:20,920 INFO L85 PathProgramCache]: Analyzing trace with hash 88640598, now seen corresponding path program 1 times [2021-12-06 18:57:20,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:20,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344605623] [2021-12-06 18:57:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:20,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:57:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:57:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:57:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:57:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:57:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:57:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:57:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:57:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:57:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:57:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:57:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:57:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:57:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:57:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:57:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:57:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:57:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:57:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:57:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:57:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:57:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:57:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-06 18:57:21,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:21,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344605623] [2021-12-06 18:57:21,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344605623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:21,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:21,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:21,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364267478] [2021-12-06 18:57:21,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:21,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:21,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:21,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:21,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:21,441 INFO L87 Difference]: Start difference. First operand 9515 states and 13117 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 18:57:24,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:27,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:29,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:29,686 INFO L93 Difference]: Finished difference Result 28279 states and 39373 transitions. [2021-12-06 18:57:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:57:29,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2021-12-06 18:57:29,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:29,754 INFO L225 Difference]: With dead ends: 28279 [2021-12-06 18:57:29,754 INFO L226 Difference]: Without dead ends: 18832 [2021-12-06 18:57:29,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:29,778 INFO L933 BasicCegarLoop]: 5235 mSDtfsCounter, 4888 mSDsluCounter, 6135 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 2023 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5504 SdHoareTripleChecker+Valid, 11370 SdHoareTripleChecker+Invalid, 4548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2023 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:29,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5504 Valid, 11370 Invalid, 4548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2023 Valid, 2524 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-12-06 18:57:29,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18832 states. [2021-12-06 18:57:30,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18832 to 18402. [2021-12-06 18:57:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18402 states, 12809 states have (on average 1.2585681942384261) internal successors, (16121), 13050 states have internal predecessors, (16121), 4591 states have call successors, (4591), 999 states have call predecessors, (4591), 998 states have return successors, (4587), 4478 states have call predecessors, (4587), 4587 states have call successors, (4587) [2021-12-06 18:57:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18402 states to 18402 states and 25299 transitions. [2021-12-06 18:57:30,401 INFO L78 Accepts]: Start accepts. Automaton has 18402 states and 25299 transitions. Word has length 273 [2021-12-06 18:57:30,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:30,402 INFO L470 AbstractCegarLoop]: Abstraction has 18402 states and 25299 transitions. [2021-12-06 18:57:30,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 18:57:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 18402 states and 25299 transitions. [2021-12-06 18:57:30,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-06 18:57:30,406 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:30,406 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:30,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:57:30,406 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:57:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:30,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1563312886, now seen corresponding path program 1 times [2021-12-06 18:57:30,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:30,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580179726] [2021-12-06 18:57:30,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:30,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:57:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:57:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:57:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:57:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:57:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:57:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:57:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:57:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:57:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:57:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:57:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:57:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:57:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:57:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:57:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:57:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:57:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:57:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:57:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:57:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:57:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:57:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-06 18:57:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-06 18:57:30,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:30,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580179726] [2021-12-06 18:57:30,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580179726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:30,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:30,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:30,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489255375] [2021-12-06 18:57:30,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:30,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:30,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:30,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:30,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:30,917 INFO L87 Difference]: Start difference. First operand 18402 states and 25299 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-06 18:57:37,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:38,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:38,455 INFO L93 Difference]: Finished difference Result 51500 states and 71571 transitions. [2021-12-06 18:57:38,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:57:38,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 273 [2021-12-06 18:57:38,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:38,570 INFO L225 Difference]: With dead ends: 51500 [2021-12-06 18:57:38,571 INFO L226 Difference]: Without dead ends: 33166 [2021-12-06 18:57:38,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:38,616 INFO L933 BasicCegarLoop]: 4992 mSDtfsCounter, 4230 mSDsluCounter, 6020 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 1899 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4726 SdHoareTripleChecker+Valid, 11012 SdHoareTripleChecker+Invalid, 4255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1899 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:38,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4726 Valid, 11012 Invalid, 4255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1899 Valid, 2355 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2021-12-06 18:57:38,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33166 states. [2021-12-06 18:57:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33166 to 32570. [2021-12-06 18:57:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32570 states, 22560 states have (on average 1.25177304964539) internal successors, (28240), 22997 states have internal predecessors, (28240), 8135 states have call successors, (8135), 1842 states have call predecessors, (8135), 1871 states have return successors, (8648), 7928 states have call predecessors, (8648), 8131 states have call successors, (8648) [2021-12-06 18:57:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32570 states to 32570 states and 45023 transitions. [2021-12-06 18:57:39,799 INFO L78 Accepts]: Start accepts. Automaton has 32570 states and 45023 transitions. Word has length 273 [2021-12-06 18:57:39,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:39,800 INFO L470 AbstractCegarLoop]: Abstraction has 32570 states and 45023 transitions. [2021-12-06 18:57:39,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-06 18:57:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 32570 states and 45023 transitions. [2021-12-06 18:57:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-06 18:57:39,807 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:39,807 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 21, 21, 21, 21, 21, 21, 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, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:39,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:57:39,807 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:57:39,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:39,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1782645363, now seen corresponding path program 1 times [2021-12-06 18:57:39,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:39,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705428383] [2021-12-06 18:57:39,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:39,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:57:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:57:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:57:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:57:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:57:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:57:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:57:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:57:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:57:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:57:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:57:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:57:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:57:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:57:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:57:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:57:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:57:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:57:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:57:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:57:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:57:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:57:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 18:57:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 18:57:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:40,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2019 trivial. 0 not checked. [2021-12-06 18:57:40,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:40,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705428383] [2021-12-06 18:57:40,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705428383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:40,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:40,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:40,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797475425] [2021-12-06 18:57:40,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:40,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:40,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:40,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:40,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:40,253 INFO L87 Difference]: Start difference. First operand 32570 states and 45023 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 18:57:48,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:48,573 INFO L93 Difference]: Finished difference Result 81879 states and 113780 transitions. [2021-12-06 18:57:48,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:57:48,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 298 [2021-12-06 18:57:48,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:48,727 INFO L225 Difference]: With dead ends: 81879 [2021-12-06 18:57:48,727 INFO L226 Difference]: Without dead ends: 49377 [2021-12-06 18:57:48,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:57:48,804 INFO L933 BasicCegarLoop]: 5283 mSDtfsCounter, 5076 mSDsluCounter, 6243 mSDsCounter, 0 mSdLazyCounter, 2445 mSolverCounterSat, 2036 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5715 SdHoareTripleChecker+Valid, 11526 SdHoareTripleChecker+Invalid, 4482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2036 IncrementalHoareTripleChecker+Valid, 2445 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:48,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5715 Valid, 11526 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2036 Valid, 2445 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-12-06 18:57:48,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49377 states. [2021-12-06 18:57:50,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49377 to 48499. [2021-12-06 18:57:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48499 states, 33608 states have (on average 1.2488990716496073) internal successors, (41973), 34284 states have internal predecessors, (41973), 12064 states have call successors, (12064), 2779 states have call predecessors, (12064), 2823 states have return successors, (12796), 11732 states have call predecessors, (12796), 12060 states have call successors, (12796) [2021-12-06 18:57:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48499 states to 48499 states and 66833 transitions. [2021-12-06 18:57:50,466 INFO L78 Accepts]: Start accepts. Automaton has 48499 states and 66833 transitions. Word has length 298 [2021-12-06 18:57:50,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:50,466 INFO L470 AbstractCegarLoop]: Abstraction has 48499 states and 66833 transitions. [2021-12-06 18:57:50,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 18:57:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 48499 states and 66833 transitions. [2021-12-06 18:57:50,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-06 18:57:50,470 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:50,470 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:50,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 18:57:50,471 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:57:50,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:50,471 INFO L85 PathProgramCache]: Analyzing trace with hash -635610412, now seen corresponding path program 1 times [2021-12-06 18:57:50,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:57:50,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922029920] [2021-12-06 18:57:50,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:50,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:57:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:57:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:57:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:57:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:57:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:57:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:57:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:57:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:57:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:57:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:57:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:57:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:57:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:57:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:57:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:57:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:57:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:57:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:57:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:57:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:57:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:57:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:57:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:57:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 18:57:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 18:57:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-06 18:57:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 18:57:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-06 18:57:50,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:57:50,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922029920] [2021-12-06 18:57:50,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922029920] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:50,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:50,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:57:50,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812459670] [2021-12-06 18:57:50,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:50,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:57:50,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:57:50,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:57:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:57:50,995 INFO L87 Difference]: Start difference. First operand 48499 states and 66833 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 18:57:59,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:00,705 INFO L93 Difference]: Finished difference Result 124799 states and 172710 transitions. [2021-12-06 18:58:00,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:58:00,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 306 [2021-12-06 18:58:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:01,037 INFO L225 Difference]: With dead ends: 124799 [2021-12-06 18:58:01,037 INFO L226 Difference]: Without dead ends: 76368 [2021-12-06 18:58:01,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:58:01,141 INFO L933 BasicCegarLoop]: 7063 mSDtfsCounter, 3848 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 2465 mSolverCounterSat, 1432 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4397 SdHoareTripleChecker+Valid, 14104 SdHoareTripleChecker+Invalid, 3898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1432 IncrementalHoareTripleChecker+Valid, 2465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:01,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4397 Valid, 14104 Invalid, 3898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1432 Valid, 2465 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2021-12-06 18:58:01,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76368 states. [2021-12-06 18:58:03,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76368 to 74974. [2021-12-06 18:58:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74974 states, 51969 states have (on average 1.2438569146991476) internal successors, (64642), 53048 states have internal predecessors, (64642), 18459 states have call successors, (18459), 4495 states have call predecessors, (18459), 4542 states have return successors, (19585), 17890 states have call predecessors, (19585), 18455 states have call successors, (19585) [2021-12-06 18:58:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74974 states to 74974 states and 102686 transitions. [2021-12-06 18:58:03,613 INFO L78 Accepts]: Start accepts. Automaton has 74974 states and 102686 transitions. Word has length 306 [2021-12-06 18:58:03,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:03,614 INFO L470 AbstractCegarLoop]: Abstraction has 74974 states and 102686 transitions. [2021-12-06 18:58:03,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 18:58:03,614 INFO L276 IsEmpty]: Start isEmpty. Operand 74974 states and 102686 transitions. [2021-12-06 18:58:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-12-06 18:58:03,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:03,617 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:03,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 18:58:03,618 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:58:03,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:03,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1912314472, now seen corresponding path program 1 times [2021-12-06 18:58:03,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:03,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830876432] [2021-12-06 18:58:03,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:03,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:58:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:58:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:58:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:58:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:58:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:58:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:58:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:58:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:58:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:58:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:58:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:58:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:58:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:58:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:58:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:58:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:58:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:58:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:58:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:58:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:58:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:58:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 18:58:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 18:58:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 18:58:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 18:58:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:58:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 18:58:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:58:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-12-06 18:58:04,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:04,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830876432] [2021-12-06 18:58:04,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830876432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:04,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:04,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:58:04,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593008272] [2021-12-06 18:58:04,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:04,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:58:04,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:04,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:58:04,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:58:04,187 INFO L87 Difference]: Start difference. First operand 74974 states and 102686 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-06 18:58:08,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:14,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:16,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:16,123 INFO L93 Difference]: Finished difference Result 224806 states and 310185 transitions. [2021-12-06 18:58:16,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:58:16,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 321 [2021-12-06 18:58:16,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:16,687 INFO L225 Difference]: With dead ends: 224806 [2021-12-06 18:58:16,687 INFO L226 Difference]: Without dead ends: 150152 [2021-12-06 18:58:16,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:58:16,872 INFO L933 BasicCegarLoop]: 6078 mSDtfsCounter, 4964 mSDsluCounter, 6743 mSDsCounter, 0 mSdLazyCounter, 2438 mSolverCounterSat, 1797 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 12821 SdHoareTripleChecker+Invalid, 4236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1797 IncrementalHoareTripleChecker+Valid, 2438 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:16,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5601 Valid, 12821 Invalid, 4236 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1797 Valid, 2438 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-12-06 18:58:16,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150152 states. [2021-12-06 18:58:21,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150152 to 147500. [2021-12-06 18:58:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147500 states, 102348 states have (on average 1.2429163246961348) internal successors, (127210), 104327 states have internal predecessors, (127210), 36191 states have call successors, (36191), 8846 states have call predecessors, (36191), 8957 states have return successors, (38447), 35246 states have call predecessors, (38447), 36187 states have call successors, (38447) [2021-12-06 18:58:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147500 states to 147500 states and 201848 transitions. [2021-12-06 18:58:21,794 INFO L78 Accepts]: Start accepts. Automaton has 147500 states and 201848 transitions. Word has length 321 [2021-12-06 18:58:21,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:21,795 INFO L470 AbstractCegarLoop]: Abstraction has 147500 states and 201848 transitions. [2021-12-06 18:58:21,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-06 18:58:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 147500 states and 201848 transitions. [2021-12-06 18:58:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-12-06 18:58:21,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:21,799 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:21,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 18:58:21,799 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:58:21,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:21,799 INFO L85 PathProgramCache]: Analyzing trace with hash -459424790, now seen corresponding path program 1 times [2021-12-06 18:58:21,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:21,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083891635] [2021-12-06 18:58:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:21,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:58:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:58:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:58:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:58:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:58:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:58:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:58:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:58:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:58:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:58:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:58:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:58:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:58:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:58:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:58:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:58:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:58:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:58:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:58:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:58:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:58:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:58:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 18:58:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 18:58:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 18:58:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 18:58:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:58:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 18:58:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:58:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2021-12-06 18:58:22,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:22,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083891635] [2021-12-06 18:58:22,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083891635] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:22,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:22,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:58:22,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068189905] [2021-12-06 18:58:22,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:22,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:58:22,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:22,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:58:22,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:58:22,578 INFO L87 Difference]: Start difference. First operand 147500 states and 201848 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 18:58:24,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:30,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:33,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:34,175 INFO L93 Difference]: Finished difference Result 150152 states and 207685 transitions. [2021-12-06 18:58:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:58:34,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 321 [2021-12-06 18:58:34,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:34,733 INFO L225 Difference]: With dead ends: 150152 [2021-12-06 18:58:34,734 INFO L226 Difference]: Without dead ends: 150150 [2021-12-06 18:58:34,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:58:34,778 INFO L933 BasicCegarLoop]: 4362 mSDtfsCounter, 4493 mSDsluCounter, 9756 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 1255 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5036 SdHoareTripleChecker+Valid, 14118 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:34,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5036 Valid, 14118 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1255 Valid, 2477 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2021-12-06 18:58:34,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150150 states. [2021-12-06 18:58:39,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150150 to 147504. [2021-12-06 18:58:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147504 states, 102351 states have (on average 1.2429092045998573) internal successors, (127213), 104330 states have internal predecessors, (127213), 36191 states have call successors, (36191), 8847 states have call predecessors, (36191), 8958 states have return successors, (38447), 35246 states have call predecessors, (38447), 36187 states have call successors, (38447) [2021-12-06 18:58:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147504 states to 147504 states and 201851 transitions. [2021-12-06 18:58:40,066 INFO L78 Accepts]: Start accepts. Automaton has 147504 states and 201851 transitions. Word has length 321 [2021-12-06 18:58:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:40,067 INFO L470 AbstractCegarLoop]: Abstraction has 147504 states and 201851 transitions. [2021-12-06 18:58:40,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 18:58:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 147504 states and 201851 transitions. [2021-12-06 18:58:40,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-06 18:58:40,071 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:40,071 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:40,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 18:58:40,071 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:58:40,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:40,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1625282902, now seen corresponding path program 1 times [2021-12-06 18:58:40,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:40,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412580910] [2021-12-06 18:58:40,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:40,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:58:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:58:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:58:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:58:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:58:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:58:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:58:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:58:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:58:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:58:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:58:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:58:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:58:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:58:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:58:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:58:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:58:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:58:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:58:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:58:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:58:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:58:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 18:58:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 18:58:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 18:58:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 18:58:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:58:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 18:58:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:58:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 18:58:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2198 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2021-12-06 18:58:40,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:40,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412580910] [2021-12-06 18:58:40,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412580910] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:40,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:40,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:58:40,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154005134] [2021-12-06 18:58:40,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:40,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:58:40,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:40,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:58:40,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:58:40,731 INFO L87 Difference]: Start difference. First operand 147504 states and 201851 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-06 18:58:42,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:49,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:51,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:58:52,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:58:52,941 INFO L93 Difference]: Finished difference Result 150156 states and 207688 transitions. [2021-12-06 18:58:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:58:52,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 326 [2021-12-06 18:58:52,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:58:53,425 INFO L225 Difference]: With dead ends: 150156 [2021-12-06 18:58:53,425 INFO L226 Difference]: Without dead ends: 150154 [2021-12-06 18:58:53,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:58:53,473 INFO L933 BasicCegarLoop]: 4365 mSDtfsCounter, 4485 mSDsluCounter, 9756 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 1254 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5028 SdHoareTripleChecker+Valid, 14121 SdHoareTripleChecker+Invalid, 3733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1254 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:58:53,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5028 Valid, 14121 Invalid, 3733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1254 Valid, 2477 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2021-12-06 18:58:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150154 states. [2021-12-06 18:58:58,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150154 to 147508. [2021-12-06 18:58:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147508 states, 102354 states have (on average 1.2429020849209607) internal successors, (127216), 104333 states have internal predecessors, (127216), 36191 states have call successors, (36191), 8848 states have call predecessors, (36191), 8959 states have return successors, (38447), 35246 states have call predecessors, (38447), 36187 states have call successors, (38447) [2021-12-06 18:58:58,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147508 states to 147508 states and 201854 transitions. [2021-12-06 18:58:58,834 INFO L78 Accepts]: Start accepts. Automaton has 147508 states and 201854 transitions. Word has length 326 [2021-12-06 18:58:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:58:58,835 INFO L470 AbstractCegarLoop]: Abstraction has 147508 states and 201854 transitions. [2021-12-06 18:58:58,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-06 18:58:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 147508 states and 201854 transitions. [2021-12-06 18:58:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-12-06 18:58:58,839 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:58:58,839 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 5, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:58:58,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 18:58:58,840 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:58:58,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:58:58,840 INFO L85 PathProgramCache]: Analyzing trace with hash -696039106, now seen corresponding path program 1 times [2021-12-06 18:58:58,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:58:58,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222281052] [2021-12-06 18:58:58,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:58:58,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:58:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:58:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:58:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:58:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:58:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:58:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:58:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:58:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:58:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:58:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:58:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:58:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:58:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:58:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:58:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:58:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:58:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:58:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:58:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:58:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:58:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:58:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:58:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 18:58:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 18:58:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 18:58:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 18:58:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:58:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:58:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 18:58:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-06 18:58:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-06 18:58:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 18:58:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-06 18:58:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-06 18:58:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:58:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2204 trivial. 0 not checked. [2021-12-06 18:58:59,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:58:59,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222281052] [2021-12-06 18:58:59,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222281052] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:58:59,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:58:59,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:58:59,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141796021] [2021-12-06 18:58:59,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:58:59,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:58:59,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:58:59,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:58:59,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:58:59,344 INFO L87 Difference]: Start difference. First operand 147508 states and 201854 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-06 18:59:05,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:59:21,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:59:25,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:59:25,455 INFO L93 Difference]: Finished difference Result 371259 states and 511534 transitions. [2021-12-06 18:59:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 18:59:25,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 340 [2021-12-06 18:59:25,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:59:26,479 INFO L225 Difference]: With dead ends: 371259 [2021-12-06 18:59:26,479 INFO L226 Difference]: Without dead ends: 224071 [2021-12-06 18:59:26,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 18:59:26,962 INFO L933 BasicCegarLoop]: 7876 mSDtfsCounter, 5408 mSDsluCounter, 7755 mSDsCounter, 0 mSdLazyCounter, 6863 mSolverCounterSat, 3659 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6127 SdHoareTripleChecker+Valid, 15631 SdHoareTripleChecker+Invalid, 10523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3659 IncrementalHoareTripleChecker+Valid, 6863 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:59:26,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6127 Valid, 15631 Invalid, 10523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3659 Valid, 6863 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2021-12-06 18:59:27,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224071 states. [2021-12-06 18:59:35,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224071 to 220066. [2021-12-06 18:59:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220066 states, 152765 states have (on average 1.2425359211861355) internal successors, (189816), 155644 states have internal predecessors, (189816), 53923 states have call successors, (53923), 13199 states have call predecessors, (53923), 13374 states have return successors, (57309), 52602 states have call predecessors, (57309), 53919 states have call successors, (57309) [2021-12-06 18:59:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220066 states to 220066 states and 301048 transitions. [2021-12-06 18:59:36,939 INFO L78 Accepts]: Start accepts. Automaton has 220066 states and 301048 transitions. Word has length 340 [2021-12-06 18:59:36,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:59:36,939 INFO L470 AbstractCegarLoop]: Abstraction has 220066 states and 301048 transitions. [2021-12-06 18:59:36,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-06 18:59:36,940 INFO L276 IsEmpty]: Start isEmpty. Operand 220066 states and 301048 transitions. [2021-12-06 18:59:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-12-06 18:59:36,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:59:36,944 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:59:36,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 18:59:36,944 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 18:59:36,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:59:36,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1330613162, now seen corresponding path program 1 times [2021-12-06 18:59:36,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:59:36,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982001791] [2021-12-06 18:59:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:59:36,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:59:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:59:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:59:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:59:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:59:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:59:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:59:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:59:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:59:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:59:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:59:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:59:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:59:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:59:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:59:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:59:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:59:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:59:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:59:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:59:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:59:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:59:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 18:59:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 18:59:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 18:59:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 18:59:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 18:59:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:59:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 18:59:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 18:59:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 18:59:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 18:59:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 18:59:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:59:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2204 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2021-12-06 18:59:37,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:59:37,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982001791] [2021-12-06 18:59:37,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982001791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:59:37,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:59:37,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:59:37,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026931660] [2021-12-06 18:59:37,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:59:37,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:59:37,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:59:37,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:59:37,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:59:37,726 INFO L87 Difference]: Start difference. First operand 220066 states and 301048 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 18:59:47,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:59:49,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:59:52,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:59:52,853 INFO L93 Difference]: Finished difference Result 224040 states and 309790 transitions. [2021-12-06 18:59:52,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 18:59:52,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 331 [2021-12-06 18:59:52,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:59:53,669 INFO L225 Difference]: With dead ends: 224040 [2021-12-06 18:59:53,669 INFO L226 Difference]: Without dead ends: 224038 [2021-12-06 18:59:53,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:59:53,760 INFO L933 BasicCegarLoop]: 4369 mSDtfsCounter, 4482 mSDsluCounter, 9764 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1250 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5025 SdHoareTripleChecker+Valid, 14133 SdHoareTripleChecker+Invalid, 3732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:59:53,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5025 Valid, 14133 Invalid, 3732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 2480 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2021-12-06 18:59:53,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224038 states. [2021-12-06 19:00:02,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224038 to 220070. [2021-12-06 19:00:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220070 states, 152768 states have (on average 1.2425311583577712) internal successors, (189819), 155647 states have internal predecessors, (189819), 53923 states have call successors, (53923), 13200 states have call predecessors, (53923), 13375 states have return successors, (57309), 52602 states have call predecessors, (57309), 53919 states have call successors, (57309) [2021-12-06 19:00:03,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220070 states to 220070 states and 301051 transitions. [2021-12-06 19:00:03,266 INFO L78 Accepts]: Start accepts. Automaton has 220070 states and 301051 transitions. Word has length 331 [2021-12-06 19:00:03,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:03,267 INFO L470 AbstractCegarLoop]: Abstraction has 220070 states and 301051 transitions. [2021-12-06 19:00:03,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 19:00:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 220070 states and 301051 transitions. [2021-12-06 19:00:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-06 19:00:03,271 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:03,272 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:03,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 19:00:03,272 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:00:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:03,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1105961366, now seen corresponding path program 1 times [2021-12-06 19:00:03,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:03,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139098499] [2021-12-06 19:00:03,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:03,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:00:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:00:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:00:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:00:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:00:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:00:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:00:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:00:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:00:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:00:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:00:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:00:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:00:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:00:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:00:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:00:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:00:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:00:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:00:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:00:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:00:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:00:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:00:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2208 trivial. 0 not checked. [2021-12-06 19:00:03,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:03,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139098499] [2021-12-06 19:00:03,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139098499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:03,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:03,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:00:03,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957163518] [2021-12-06 19:00:03,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:03,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:00:03,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:03,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:03,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:03,761 INFO L87 Difference]: Start difference. First operand 220070 states and 301051 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-06 19:00:05,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:00:13,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:00:15,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:00:19,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:19,009 INFO L93 Difference]: Finished difference Result 224044 states and 309793 transitions. [2021-12-06 19:00:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:00:19,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 336 [2021-12-06 19:00:19,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:19,856 INFO L225 Difference]: With dead ends: 224044 [2021-12-06 19:00:19,856 INFO L226 Difference]: Without dead ends: 224042 [2021-12-06 19:00:19,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:00:19,950 INFO L933 BasicCegarLoop]: 4370 mSDtfsCounter, 4482 mSDsluCounter, 9767 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1249 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 14137 SdHoareTripleChecker+Invalid, 3731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:19,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5024 Valid, 14137 Invalid, 3731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1249 Valid, 2480 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2021-12-06 19:00:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224042 states. [2021-12-06 19:00:28,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224042 to 220074. [2021-12-06 19:00:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220074 states, 152771 states have (on average 1.2425263957164645) internal successors, (189822), 155650 states have internal predecessors, (189822), 53923 states have call successors, (53923), 13201 states have call predecessors, (53923), 13376 states have return successors, (57309), 52602 states have call predecessors, (57309), 53919 states have call successors, (57309) [2021-12-06 19:00:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220074 states to 220074 states and 301054 transitions. [2021-12-06 19:00:29,620 INFO L78 Accepts]: Start accepts. Automaton has 220074 states and 301054 transitions. Word has length 336 [2021-12-06 19:00:29,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:29,621 INFO L470 AbstractCegarLoop]: Abstraction has 220074 states and 301054 transitions. [2021-12-06 19:00:29,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-06 19:00:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 220074 states and 301054 transitions. [2021-12-06 19:00:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-06 19:00:29,626 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:29,626 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:29,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 19:00:29,626 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:00:29,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:29,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1958585494, now seen corresponding path program 1 times [2021-12-06 19:00:29,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:29,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518898430] [2021-12-06 19:00:29,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:29,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:00:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:00:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:00:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:00:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:00:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:00:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:00:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:00:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:00:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:00:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:00:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:00:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:00:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:00:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:00:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:00:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:00:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:00:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:00:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:00:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:00:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:00:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:00:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 19:00:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:30,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2228 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2220 trivial. 0 not checked. [2021-12-06 19:00:30,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:30,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518898430] [2021-12-06 19:00:30,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518898430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:30,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:30,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:00:30,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906607759] [2021-12-06 19:00:30,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:30,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:00:30,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:30,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:30,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:30,148 INFO L87 Difference]: Start difference. First operand 220074 states and 301054 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-06 19:00:39,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:00:40,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:00:43,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:00:43,825 INFO L93 Difference]: Finished difference Result 224048 states and 309796 transitions. [2021-12-06 19:00:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:00:43,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 341 [2021-12-06 19:00:43,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:00:44,647 INFO L225 Difference]: With dead ends: 224048 [2021-12-06 19:00:44,647 INFO L226 Difference]: Without dead ends: 224046 [2021-12-06 19:00:44,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:00:44,745 INFO L933 BasicCegarLoop]: 4368 mSDtfsCounter, 4484 mSDsluCounter, 9763 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 1249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5026 SdHoareTripleChecker+Valid, 14131 SdHoareTripleChecker+Invalid, 3728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-06 19:00:44,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5026 Valid, 14131 Invalid, 3728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1249 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-12-06 19:00:44,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224046 states. [2021-12-06 19:00:53,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224046 to 220078. [2021-12-06 19:00:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220078 states, 152774 states have (on average 1.2425216332622042) internal successors, (189825), 155653 states have internal predecessors, (189825), 53923 states have call successors, (53923), 13202 states have call predecessors, (53923), 13377 states have return successors, (57309), 52602 states have call predecessors, (57309), 53919 states have call successors, (57309) [2021-12-06 19:00:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220078 states to 220078 states and 301057 transitions. [2021-12-06 19:00:55,015 INFO L78 Accepts]: Start accepts. Automaton has 220078 states and 301057 transitions. Word has length 341 [2021-12-06 19:00:55,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:00:55,015 INFO L470 AbstractCegarLoop]: Abstraction has 220078 states and 301057 transitions. [2021-12-06 19:00:55,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-06 19:00:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 220078 states and 301057 transitions. [2021-12-06 19:00:55,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-12-06 19:00:55,021 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:00:55,021 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:00:55,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 19:00:55,022 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:00:55,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:00:55,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1402497494, now seen corresponding path program 1 times [2021-12-06 19:00:55,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:00:55,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765208839] [2021-12-06 19:00:55,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:00:55,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:00:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:00:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:00:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:00:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:00:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:00:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:00:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:00:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:00:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:00:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:00:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:00:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:00:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:00:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:00:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:00:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:00:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:00:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:00:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:00:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:00:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:00:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:00:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:00:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:00:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:00:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:00:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:00:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:00:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:00:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:00:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:00:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:00:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:00:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 19:00:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 19:00:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:00:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2246 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2236 trivial. 0 not checked. [2021-12-06 19:00:55,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:00:55,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765208839] [2021-12-06 19:00:55,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765208839] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:00:55,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:00:55,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:00:55,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174945263] [2021-12-06 19:00:55,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:00:55,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:00:55,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:00:55,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:00:55,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:00:55,540 INFO L87 Difference]: Start difference. First operand 220078 states and 301057 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-06 19:01:05,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:01:07,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:01:11,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:11,454 INFO L93 Difference]: Finished difference Result 224052 states and 309799 transitions. [2021-12-06 19:01:11,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:01:11,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 346 [2021-12-06 19:01:11,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:12,280 INFO L225 Difference]: With dead ends: 224052 [2021-12-06 19:01:12,280 INFO L226 Difference]: Without dead ends: 224050 [2021-12-06 19:01:12,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:12,365 INFO L933 BasicCegarLoop]: 4367 mSDtfsCounter, 4483 mSDsluCounter, 9760 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1249 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5026 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 3731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:12,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5026 Valid, 14127 Invalid, 3731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1249 Valid, 2480 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2021-12-06 19:01:12,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224050 states. [2021-12-06 19:01:22,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224050 to 220082. [2021-12-06 19:01:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220082 states, 152777 states have (on average 1.2425168709949796) internal successors, (189828), 155656 states have internal predecessors, (189828), 53923 states have call successors, (53923), 13203 states have call predecessors, (53923), 13378 states have return successors, (57309), 52602 states have call predecessors, (57309), 53919 states have call successors, (57309) [2021-12-06 19:01:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220082 states to 220082 states and 301060 transitions. [2021-12-06 19:01:23,063 INFO L78 Accepts]: Start accepts. Automaton has 220082 states and 301060 transitions. Word has length 346 [2021-12-06 19:01:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:23,064 INFO L470 AbstractCegarLoop]: Abstraction has 220082 states and 301060 transitions. [2021-12-06 19:01:23,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-06 19:01:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 220082 states and 301060 transitions. [2021-12-06 19:01:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-12-06 19:01:23,070 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:23,070 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:23,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 19:01:23,070 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:01:23,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:23,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1154077910, now seen corresponding path program 1 times [2021-12-06 19:01:23,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:23,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025237252] [2021-12-06 19:01:23,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:23,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:01:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:01:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:01:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:01:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:01:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:01:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:01:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:01:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:01:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:01:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:01:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:01:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:01:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:01:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:01:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:01:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:01:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:01:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:01:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:01:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:01:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:01:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:01:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 19:01:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 19:01:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 19:01:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2268 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-12-06 19:01:23,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:23,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025237252] [2021-12-06 19:01:23,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025237252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:23,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:01:23,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:01:23,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941112258] [2021-12-06 19:01:23,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:23,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:01:23,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:23,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:01:23,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:01:23,771 INFO L87 Difference]: Start difference. First operand 220082 states and 301060 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 19:01:25,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:01:34,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:01:36,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:01:40,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:01:40,218 INFO L93 Difference]: Finished difference Result 224056 states and 309802 transitions. [2021-12-06 19:01:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:01:40,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 351 [2021-12-06 19:01:40,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:01:41,018 INFO L225 Difference]: With dead ends: 224056 [2021-12-06 19:01:41,018 INFO L226 Difference]: Without dead ends: 224054 [2021-12-06 19:01:41,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:01:41,097 INFO L933 BasicCegarLoop]: 4370 mSDtfsCounter, 4482 mSDsluCounter, 9767 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1246 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 14137 SdHoareTripleChecker+Invalid, 3728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:01:41,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5024 Valid, 14137 Invalid, 3728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 2480 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2021-12-06 19:01:41,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224054 states. [2021-12-06 19:01:50,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224054 to 220086. [2021-12-06 19:01:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220086 states, 152780 states have (on average 1.2425121089147795) internal successors, (189831), 155659 states have internal predecessors, (189831), 53923 states have call successors, (53923), 13204 states have call predecessors, (53923), 13379 states have return successors, (57309), 52602 states have call predecessors, (57309), 53919 states have call successors, (57309) [2021-12-06 19:01:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220086 states to 220086 states and 301063 transitions. [2021-12-06 19:01:51,641 INFO L78 Accepts]: Start accepts. Automaton has 220086 states and 301063 transitions. Word has length 351 [2021-12-06 19:01:51,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:01:51,642 INFO L470 AbstractCegarLoop]: Abstraction has 220086 states and 301063 transitions. [2021-12-06 19:01:51,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 19:01:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 220086 states and 301063 transitions. [2021-12-06 19:01:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-06 19:01:51,649 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:01:51,649 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:01:51,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 19:01:51,649 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:01:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:01:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash -10891798, now seen corresponding path program 1 times [2021-12-06 19:01:51,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:01:51,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698755366] [2021-12-06 19:01:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:01:51,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:01:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:01:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:01:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:01:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:01:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:01:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:01:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:01:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:01:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:01:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:01:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:01:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:01:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:01:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:01:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:01:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:01:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:01:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:01:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:01:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:01:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:01:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:01:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:01:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:01:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:01:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:01:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:01:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:01:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:01:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:01:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:01:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:01:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:01:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 19:01:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 19:01:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 19:01:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-06 19:01:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:01:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2294 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2280 trivial. 0 not checked. [2021-12-06 19:01:52,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:01:52,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698755366] [2021-12-06 19:01:52,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698755366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:01:52,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:01:52,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:01:52,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686181153] [2021-12-06 19:01:52,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:01:52,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:01:52,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:01:52,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:01:52,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:01:52,155 INFO L87 Difference]: Start difference. First operand 220086 states and 301063 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-06 19:02:03,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:02:04,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:02:08,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:02:08,177 INFO L93 Difference]: Finished difference Result 224060 states and 309805 transitions. [2021-12-06 19:02:08,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:02:08,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 356 [2021-12-06 19:02:08,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:02:08,978 INFO L225 Difference]: With dead ends: 224060 [2021-12-06 19:02:08,978 INFO L226 Difference]: Without dead ends: 224058 [2021-12-06 19:02:09,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:02:09,063 INFO L933 BasicCegarLoop]: 4368 mSDtfsCounter, 4484 mSDsluCounter, 9763 mSDsCounter, 0 mSdLazyCounter, 2478 mSolverCounterSat, 1246 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5026 SdHoareTripleChecker+Valid, 14131 SdHoareTripleChecker+Invalid, 3725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 2478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:02:09,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5026 Valid, 14131 Invalid, 3725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 2478 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2021-12-06 19:02:09,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224058 states. [2021-12-06 19:02:19,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224058 to 220090. [2021-12-06 19:02:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220090 states, 152783 states have (on average 1.2425073470215928) internal successors, (189834), 155662 states have internal predecessors, (189834), 53923 states have call successors, (53923), 13205 states have call predecessors, (53923), 13380 states have return successors, (57309), 52602 states have call predecessors, (57309), 53919 states have call successors, (57309) [2021-12-06 19:02:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220090 states to 220090 states and 301066 transitions. [2021-12-06 19:02:20,129 INFO L78 Accepts]: Start accepts. Automaton has 220090 states and 301066 transitions. Word has length 356 [2021-12-06 19:02:20,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:02:20,129 INFO L470 AbstractCegarLoop]: Abstraction has 220090 states and 301066 transitions. [2021-12-06 19:02:20,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-06 19:02:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 220090 states and 301066 transitions. [2021-12-06 19:02:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-12-06 19:02:20,137 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:02:20,137 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:20,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 19:02:20,137 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:02:20,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:20,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1846871318, now seen corresponding path program 1 times [2021-12-06 19:02:20,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:20,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489363212] [2021-12-06 19:02:20,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:20,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:02:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:02:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:02:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:02:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:02:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:02:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:02:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:02:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:02:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:02:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:02:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:02:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:02:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:02:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:02:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:02:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:02:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:02:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:02:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:02:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:02:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:02:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:02:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:02:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:02:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:02:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:02:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:02:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:02:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:02:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:02:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:02:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 19:02:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 19:02:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 19:02:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-06 19:02:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-06 19:02:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2324 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2021-12-06 19:02:20,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:20,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489363212] [2021-12-06 19:02:20,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489363212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:20,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:20,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:02:20,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918728287] [2021-12-06 19:02:20,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:20,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:02:20,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:20,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:02:20,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:02:20,651 INFO L87 Difference]: Start difference. First operand 220090 states and 301066 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-06 19:02:22,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:02:31,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:02:33,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:02:38,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:02:38,069 INFO L93 Difference]: Finished difference Result 225611 states and 310934 transitions. [2021-12-06 19:02:38,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:02:38,069 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 361 [2021-12-06 19:02:38,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:02:38,858 INFO L225 Difference]: With dead ends: 225611 [2021-12-06 19:02:38,858 INFO L226 Difference]: Without dead ends: 225609 [2021-12-06 19:02:38,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:02:38,941 INFO L933 BasicCegarLoop]: 4403 mSDtfsCounter, 4464 mSDsluCounter, 9855 mSDsCounter, 0 mSdLazyCounter, 2433 mSolverCounterSat, 1298 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4942 SdHoareTripleChecker+Valid, 14258 SdHoareTripleChecker+Invalid, 3733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1298 IncrementalHoareTripleChecker+Valid, 2433 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:02:38,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4942 Valid, 14258 Invalid, 3733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1298 Valid, 2433 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2021-12-06 19:02:39,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225609 states. [2021-12-06 19:02:49,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225609 to 221495. [2021-12-06 19:02:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221495 states, 153767 states have (on average 1.2412676321967653) internal successors, (190866), 156646 states have internal predecessors, (190866), 53899 states have call successors, (53899), 13650 states have call predecessors, (53899), 13825 states have return successors, (57285), 52578 states have call predecessors, (57285), 53895 states have call successors, (57285) [2021-12-06 19:02:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221495 states to 221495 states and 302050 transitions. [2021-12-06 19:02:50,249 INFO L78 Accepts]: Start accepts. Automaton has 221495 states and 302050 transitions. Word has length 361 [2021-12-06 19:02:50,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:02:50,250 INFO L470 AbstractCegarLoop]: Abstraction has 221495 states and 302050 transitions. [2021-12-06 19:02:50,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-06 19:02:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 221495 states and 302050 transitions. [2021-12-06 19:02:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-06 19:02:50,259 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:02:50,259 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:02:50,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 19:02:50,259 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:02:50,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:02:50,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1138031190, now seen corresponding path program 1 times [2021-12-06 19:02:50,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:02:50,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001199567] [2021-12-06 19:02:50,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:02:50,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:02:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:02:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:02:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:02:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:02:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:02:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:02:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:02:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:02:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:02:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:02:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:02:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:02:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:02:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:02:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:02:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:02:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:02:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:02:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:02:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:02:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:02:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:02:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:02:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:02:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:02:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:02:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:02:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:02:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:02:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:02:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:02:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:02:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:02:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 19:02:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 19:02:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 19:02:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-06 19:02:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-06 19:02:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:02:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:02:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2358 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2021-12-06 19:02:50,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:02:50,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001199567] [2021-12-06 19:02:50,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001199567] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:02:50,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:02:50,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:02:50,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195510152] [2021-12-06 19:02:50,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:02:50,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:02:50,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:02:50,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:02:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:02:50,782 INFO L87 Difference]: Start difference. First operand 221495 states and 302050 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 19:02:52,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:03:02,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:03:04,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:03:08,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:03:08,618 INFO L93 Difference]: Finished difference Result 225469 states and 310792 transitions. [2021-12-06 19:03:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:03:08,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 366 [2021-12-06 19:03:08,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:03:09,392 INFO L225 Difference]: With dead ends: 225469 [2021-12-06 19:03:09,393 INFO L226 Difference]: Without dead ends: 225467 [2021-12-06 19:03:09,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:03:09,469 INFO L933 BasicCegarLoop]: 4371 mSDtfsCounter, 4482 mSDsluCounter, 9770 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1243 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 14141 SdHoareTripleChecker+Invalid, 3725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1243 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:03:09,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5023 Valid, 14141 Invalid, 3725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1243 Valid, 2480 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2021-12-06 19:03:09,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225467 states. [2021-12-06 19:03:20,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225467 to 221499. [2021-12-06 19:03:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221499 states, 153770 states have (on average 1.2412629251479483) internal successors, (190869), 156649 states have internal predecessors, (190869), 53899 states have call successors, (53899), 13651 states have call predecessors, (53899), 13826 states have return successors, (57285), 52578 states have call predecessors, (57285), 53895 states have call successors, (57285) [2021-12-06 19:03:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221499 states to 221499 states and 302053 transitions. [2021-12-06 19:03:21,361 INFO L78 Accepts]: Start accepts. Automaton has 221499 states and 302053 transitions. Word has length 366 [2021-12-06 19:03:21,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:03:21,362 INFO L470 AbstractCegarLoop]: Abstraction has 221499 states and 302053 transitions. [2021-12-06 19:03:21,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 19:03:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 221499 states and 302053 transitions. [2021-12-06 19:03:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-12-06 19:03:21,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:03:21,372 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 11, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:21,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 19:03:21,372 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:03:21,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:21,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1377880746, now seen corresponding path program 1 times [2021-12-06 19:03:21,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:21,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344375423] [2021-12-06 19:03:21,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:21,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:03:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:03:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:03:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:03:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:03:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:03:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:03:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:03:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:03:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:03:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:03:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:03:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:03:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:03:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:03:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:03:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:03:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:03:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:03:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:03:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:03:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:03:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:03:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:03:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:03:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:03:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:03:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:03:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:03:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:03:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:03:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:03:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 19:03:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 19:03:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 19:03:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:22,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-06 19:03:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-06 19:03:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:03:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:03:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2376 trivial. 0 not checked. [2021-12-06 19:03:22,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:22,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344375423] [2021-12-06 19:03:22,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344375423] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:03:22,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:03:22,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:03:22,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114034777] [2021-12-06 19:03:22,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:22,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:03:22,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:22,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:03:22,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:03:22,029 INFO L87 Difference]: Start difference. First operand 221499 states and 302053 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 19:03:33,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:03:35,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:03:39,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:03:39,944 INFO L93 Difference]: Finished difference Result 225473 states and 310795 transitions. [2021-12-06 19:03:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:03:39,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 371 [2021-12-06 19:03:39,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:03:40,787 INFO L225 Difference]: With dead ends: 225473 [2021-12-06 19:03:40,788 INFO L226 Difference]: Without dead ends: 225471 [2021-12-06 19:03:40,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:03:40,875 INFO L933 BasicCegarLoop]: 4373 mSDtfsCounter, 4481 mSDsluCounter, 9774 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1240 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5022 SdHoareTripleChecker+Valid, 14147 SdHoareTripleChecker+Invalid, 3722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-06 19:03:40,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5022 Valid, 14147 Invalid, 3722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1240 Valid, 2480 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2021-12-06 19:03:41,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225471 states. [2021-12-06 19:03:52,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225471 to 221503. [2021-12-06 19:03:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221503 states, 153773 states have (on average 1.2412582182827934) internal successors, (190872), 156652 states have internal predecessors, (190872), 53899 states have call successors, (53899), 13652 states have call predecessors, (53899), 13827 states have return successors, (57285), 52578 states have call predecessors, (57285), 53895 states have call successors, (57285) [2021-12-06 19:03:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221503 states to 221503 states and 302056 transitions. [2021-12-06 19:03:53,212 INFO L78 Accepts]: Start accepts. Automaton has 221503 states and 302056 transitions. Word has length 371 [2021-12-06 19:03:53,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:03:53,213 INFO L470 AbstractCegarLoop]: Abstraction has 221503 states and 302056 transitions. [2021-12-06 19:03:53,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 19:03:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 221503 states and 302056 transitions. [2021-12-06 19:03:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-06 19:03:53,225 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:03:53,225 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:53,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 19:03:53,225 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:03:53,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:53,226 INFO L85 PathProgramCache]: Analyzing trace with hash -953678278, now seen corresponding path program 1 times [2021-12-06 19:03:53,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:53,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351635971] [2021-12-06 19:03:53,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:53,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:03:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:03:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:03:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:03:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:03:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:03:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:03:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:03:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:03:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:03:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:03:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:03:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:03:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:03:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:03:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:03:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:03:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:03:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:03:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:03:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:03:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:03:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:03:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:03:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:03:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 19:03:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-06 19:03:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:03:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-06 19:03:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-06 19:03:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-06 19:03:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-06 19:03:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-06 19:03:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-06 19:03:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-12-06 19:03:53,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:53,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351635971] [2021-12-06 19:03:53,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351635971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:03:53,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:03:53,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:03:53,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554216790] [2021-12-06 19:03:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:53,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:03:53,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:53,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:03:53,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:03:53,820 INFO L87 Difference]: Start difference. First operand 221503 states and 302056 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-06 19:04:09,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:04:17,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:04:17,504 INFO L93 Difference]: Finished difference Result 541066 states and 741856 transitions. [2021-12-06 19:04:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:04:17,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 374 [2021-12-06 19:04:17,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:04:18,801 INFO L225 Difference]: With dead ends: 541066 [2021-12-06 19:04:18,802 INFO L226 Difference]: Without dead ends: 319883 [2021-12-06 19:04:19,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:04:19,568 INFO L933 BasicCegarLoop]: 6109 mSDtfsCounter, 4239 mSDsluCounter, 6753 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 1709 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4782 SdHoareTripleChecker+Valid, 12862 SdHoareTripleChecker+Invalid, 4125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1709 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:04:19,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4782 Valid, 12862 Invalid, 4125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1709 Valid, 2415 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2021-12-06 19:04:19,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319883 states. [2021-12-06 19:04:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319883 to 314051. [2021-12-06 19:04:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314051 states, 217945 states have (on average 1.2383812429741448) internal successors, (269899), 222012 states have internal predecessors, (269899), 76113 states have call successors, (76113), 19758 states have call predecessors, (76113), 19989 states have return successors, (80837), 74248 states have call predecessors, (80837), 76109 states have call successors, (80837) [2021-12-06 19:04:37,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314051 states to 314051 states and 426849 transitions. [2021-12-06 19:04:37,199 INFO L78 Accepts]: Start accepts. Automaton has 314051 states and 426849 transitions. Word has length 374 [2021-12-06 19:04:37,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:04:37,199 INFO L470 AbstractCegarLoop]: Abstraction has 314051 states and 426849 transitions. [2021-12-06 19:04:37,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-06 19:04:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 314051 states and 426849 transitions. [2021-12-06 19:04:37,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-12-06 19:04:37,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:04:37,207 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 12, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:04:37,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 19:04:37,207 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:04:37,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1478180202, now seen corresponding path program 1 times [2021-12-06 19:04:37,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:04:37,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145938614] [2021-12-06 19:04:37,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:37,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:04:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:04:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:04:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:04:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:04:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:04:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:04:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:04:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:04:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:04:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:04:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:04:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:04:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:04:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:04:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:04:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:04:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:04:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:04:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:04:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:04:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:04:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:04:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:04:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:04:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:04:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:04:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:04:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:04:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:04:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 19:04:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 19:04:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:04:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 19:04:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-06 19:04:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 19:04:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 19:04:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-06 19:04:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-06 19:04:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-06 19:04:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-06 19:04:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-06 19:04:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2438 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2021-12-06 19:04:37,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:04:37,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145938614] [2021-12-06 19:04:37,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145938614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:04:37,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:04:37,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:04:37,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249600673] [2021-12-06 19:04:37,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:04:37,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:04:37,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:04:37,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:04:37,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:04:37,764 INFO L87 Difference]: Start difference. First operand 314051 states and 426849 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 19:04:51,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:04:53,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:00,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:05:00,445 INFO L93 Difference]: Finished difference Result 319783 states and 439386 transitions. [2021-12-06 19:05:00,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:05:00,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 376 [2021-12-06 19:05:00,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:05:01,744 INFO L225 Difference]: With dead ends: 319783 [2021-12-06 19:05:01,744 INFO L226 Difference]: Without dead ends: 319781 [2021-12-06 19:05:01,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:05:01,856 INFO L933 BasicCegarLoop]: 4372 mSDtfsCounter, 4485 mSDsluCounter, 9776 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 1241 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5022 SdHoareTripleChecker+Valid, 14148 SdHoareTripleChecker+Invalid, 3723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1241 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:05:01,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5022 Valid, 14148 Invalid, 3723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1241 Valid, 2481 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-12-06 19:05:02,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319781 states. [2021-12-06 19:05:18,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319781 to 314055. [2021-12-06 19:05:18,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314055 states, 217948 states have (on average 1.2383779617156385) internal successors, (269902), 222015 states have internal predecessors, (269902), 76113 states have call successors, (76113), 19759 states have call predecessors, (76113), 19990 states have return successors, (80837), 74248 states have call predecessors, (80837), 76109 states have call successors, (80837) [2021-12-06 19:05:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314055 states to 314055 states and 426852 transitions. [2021-12-06 19:05:19,771 INFO L78 Accepts]: Start accepts. Automaton has 314055 states and 426852 transitions. Word has length 376 [2021-12-06 19:05:19,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:05:19,771 INFO L470 AbstractCegarLoop]: Abstraction has 314055 states and 426852 transitions. [2021-12-06 19:05:19,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-06 19:05:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 314055 states and 426852 transitions. [2021-12-06 19:05:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-06 19:05:19,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:05:19,780 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 21, 21, 21, 21, 21, 21, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:05:19,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 19:05:19,780 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:05:19,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:05:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1188099185, now seen corresponding path program 1 times [2021-12-06 19:05:19,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:05:19,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787908151] [2021-12-06 19:05:19,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:05:19,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:05:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:05:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:05:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:05:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:05:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:05:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:05:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:05:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:05:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:05:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:05:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:05:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:05:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:05:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:05:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:05:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:05:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:05:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:05:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:05:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:05:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:05:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:05:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:05:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:05:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:05:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:05:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:05:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:05:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:05:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 19:05:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-06 19:05:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:05:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-06 19:05:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:05:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:05:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2445 trivial. 0 not checked. [2021-12-06 19:05:20,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:05:20,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787908151] [2021-12-06 19:05:20,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787908151] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:05:20,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:05:20,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:05:20,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688541686] [2021-12-06 19:05:20,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:05:20,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:05:20,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:05:20,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:05:20,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:05:20,354 INFO L87 Difference]: Start difference. First operand 314055 states and 426852 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-06 19:05:22,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:40,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:51,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:05:51,253 INFO L93 Difference]: Finished difference Result 739050 states and 1010831 transitions. [2021-12-06 19:05:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:05:51,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 374 [2021-12-06 19:05:51,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:05:53,302 INFO L225 Difference]: With dead ends: 739050 [2021-12-06 19:05:53,302 INFO L226 Difference]: Without dead ends: 425315 [2021-12-06 19:05:54,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:05:54,184 INFO L933 BasicCegarLoop]: 8617 mSDtfsCounter, 4417 mSDsluCounter, 8083 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 1268 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5049 SdHoareTripleChecker+Valid, 16700 SdHoareTripleChecker+Invalid, 3845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-12-06 19:05:54,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5049 Valid, 16700 Invalid, 3845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1268 Valid, 2576 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2021-12-06 19:05:54,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425315 states. [2021-12-06 19:06:16,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425315 to 417604. [2021-12-06 19:06:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417604 states, 289810 states have (on average 1.2382112418481075) internal successors, (358846), 295141 states have internal predecessors, (358846), 101183 states have call successors, (101183), 26320 states have call predecessors, (101183), 26607 states have return successors, (107483), 98766 states have call predecessors, (107483), 101179 states have call successors, (107483) [2021-12-06 19:06:18,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417604 states to 417604 states and 567512 transitions. [2021-12-06 19:06:18,500 INFO L78 Accepts]: Start accepts. Automaton has 417604 states and 567512 transitions. Word has length 374 [2021-12-06 19:06:18,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:06:18,501 INFO L470 AbstractCegarLoop]: Abstraction has 417604 states and 567512 transitions. [2021-12-06 19:06:18,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-06 19:06:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 417604 states and 567512 transitions. [2021-12-06 19:06:18,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-06 19:06:18,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:06:18,510 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 21, 21, 21, 21, 21, 21, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:06:18,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 19:06:18,510 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:06:18,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:06:18,510 INFO L85 PathProgramCache]: Analyzing trace with hash -312080179, now seen corresponding path program 1 times [2021-12-06 19:06:18,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:06:18,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470447994] [2021-12-06 19:06:18,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:06:18,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:06:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:06:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:06:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:06:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:06:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:06:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:06:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:06:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:06:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:06:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:06:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:06:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:06:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:06:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:06:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:06:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:06:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:06:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:06:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:06:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:06:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:06:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 19:06:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 19:06:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-06 19:06:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 19:06:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-06 19:06:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:06:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 19:06:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:06:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 19:06:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-06 19:06:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 19:06:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-06 19:06:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 19:06:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:06:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2445 trivial. 0 not checked. [2021-12-06 19:06:18,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:06:18,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470447994] [2021-12-06 19:06:18,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470447994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:06:18,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:06:18,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:06:18,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482034380] [2021-12-06 19:06:18,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:06:18,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:06:18,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:06:18,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:06:18,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:06:18,941 INFO L87 Difference]: Start difference. First operand 417604 states and 567512 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-06 19:06:40,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:06:55,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:06:55,210 INFO L93 Difference]: Finished difference Result 947905 states and 1296327 transitions. [2021-12-06 19:06:55,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:06:55,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 374 [2021-12-06 19:06:55,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:06:57,572 INFO L225 Difference]: With dead ends: 947905 [2021-12-06 19:06:57,572 INFO L226 Difference]: Without dead ends: 530621 [2021-12-06 19:06:58,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:06:58,927 INFO L933 BasicCegarLoop]: 8591 mSDtfsCounter, 4398 mSDsluCounter, 8085 mSDsCounter, 0 mSdLazyCounter, 2568 mSolverCounterSat, 1219 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5029 SdHoareTripleChecker+Valid, 16676 SdHoareTripleChecker+Invalid, 3788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1219 IncrementalHoareTripleChecker+Valid, 2568 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-06 19:06:58,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5029 Valid, 16676 Invalid, 3788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1219 Valid, 2568 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2021-12-06 19:06:59,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530621 states.