./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y --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 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:30:59,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:30:59,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:30:59,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:30:59,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:30:59,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:30:59,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:30:59,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:30:59,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:30:59,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:30:59,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:30:59,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:30:59,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:30:59,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:30:59,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:30:59,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:30:59,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:30:59,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:30:59,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:30:59,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:30:59,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:30:59,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:30:59,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:30:59,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:30:59,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:30:59,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:30:59,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:30:59,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:30:59,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:30:59,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:30:59,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:30:59,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:30:59,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:30:59,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:30:59,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:30:59,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:30:59,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:30:59,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:30:59,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:30:59,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:30:59,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:30:59,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:30:59,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:30:59,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:30:59,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:30:59,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:30:59,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:30:59,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:30:59,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:30:59,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:30:59,413 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:30:59,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:30:59,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:30:59,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:30:59,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:30:59,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:30:59,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:30:59,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:30:59,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:30:59,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:30:59,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:30:59,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:30:59,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:30:59,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:30:59,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:30:59,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:30:59,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:30:59,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:30:59,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:30:59,419 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:30:59,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:30:59,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:30:59,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:30:59,421 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2021-11-13 17:30:59,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:30:59,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:30:59,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:30:59,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:30:59,826 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:30:59,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-13 17:30:59,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/data/df4daa44f/d8d463ccf974414b8ab3fe637d0502e6/FLAGebba9c7d4 [2021-11-13 17:31:00,942 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:31:00,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-13 17:31:01,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/data/df4daa44f/d8d463ccf974414b8ab3fe637d0502e6/FLAGebba9c7d4 [2021-11-13 17:31:01,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/data/df4daa44f/d8d463ccf974414b8ab3fe637d0502e6 [2021-11-13 17:31:01,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:31:01,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:31:01,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:01,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:31:01,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:31:01,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51561e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:01, skipping insertion in model container [2021-11-13 17:31:01,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:01" (1/1) ... [2021-11-13 17:31:01,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:31:01,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:06,620 WARN L228 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-11-13 17:31:06,623 WARN L228 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-11-13 17:31:06,624 WARN L228 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-11-13 17:31:06,625 WARN L228 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-11-13 17:31:06,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:06,738 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:31:07,229 WARN L228 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-11-13 17:31:07,230 WARN L228 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-11-13 17:31:07,231 WARN L228 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-11-13 17:31:07,231 WARN L228 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_804bd455-1d54-4347-83b1-1f1fbd16aa4c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-11-13 17:31:07,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:07,797 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:31:07,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07 WrapperNode [2021-11-13 17:31:07,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:07,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:07,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:31:07,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:31:07,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:08,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:31:08,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:31:08,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:31:08,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:31:08,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:31:08,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:31:08,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:31:08,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (1/1) ... [2021-11-13 17:31:08,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:31:09,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:09,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:09,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_804bd455-1d54-4347-83b1-1f1fbd16aa4c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:31:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 17:31:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 17:31:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-13 17:31:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-13 17:31:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-11-13 17:31:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-11-13 17:31:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 17:31:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 17:31:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-11-13 17:31:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-11-13 17:31:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:31:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:31:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-13 17:31:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-13 17:31:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-11-13 17:31:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-11-13 17:31:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-11-13 17:31:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-11-13 17:31:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-11-13 17:31:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-11-13 17:31:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-11-13 17:31:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-11-13 17:31:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 17:31:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 17:31:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-11-13 17:31:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-11-13 17:31:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 17:31:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 17:31:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-13 17:31:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-13 17:31:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-13 17:31:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-13 17:31:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-11-13 17:31:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-11-13 17:31:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-11-13 17:31:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-11-13 17:31:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 17:31:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 17:31:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 17:31:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 17:31:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 17:31:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 17:31:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 17:31:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 17:31:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-11-13 17:31:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-11-13 17:31:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 17:31:09,090 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 17:31:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 17:31:09,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 17:31:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 17:31:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 17:31:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-11-13 17:31:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-11-13 17:31:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:31:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 17:31:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 17:31:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-13 17:31:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-13 17:31:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-13 17:31:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-13 17:31:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-11-13 17:31:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-11-13 17:31:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-11-13 17:31:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-11-13 17:31:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-11-13 17:31:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-11-13 17:31:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-11-13 17:31:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-11-13 17:31:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 17:31:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 17:31:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-11-13 17:31:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-11-13 17:31:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-11-13 17:31:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-11-13 17:31:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-11-13 17:31:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-11-13 17:31:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-11-13 17:31:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-11-13 17:31:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 17:31:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-11-13 17:31:09,183 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-11-13 17:31:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 17:31:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 17:31:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 17:31:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-11-13 17:31:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-11-13 17:31:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 17:31:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 17:31:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-11-13 17:31:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-11-13 17:31:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-11-13 17:31:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-11-13 17:31:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:31:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 17:31:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 17:31:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-11-13 17:31:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-11-13 17:31:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:31:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:31:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 17:31:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 17:31:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-11-13 17:31:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-11-13 17:31:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 17:31:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 17:31:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-13 17:31:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-13 17:31:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 17:31:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 17:31:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-11-13 17:31:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-11-13 17:31:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-13 17:31:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-13 17:31:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-11-13 17:31:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-11-13 17:31:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-13 17:31:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-13 17:31:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:31:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 17:31:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 17:31:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 17:31:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 17:31:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-11-13 17:31:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-11-13 17:31:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-13 17:31:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-13 17:31:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 17:31:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 17:31:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 17:31:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 17:31:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:31:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:31:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:31:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-11-13 17:31:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-11-13 17:31:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-11-13 17:31:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-11-13 17:31:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:31:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:31:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-13 17:31:09,189 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-13 17:31:09,189 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-11-13 17:31:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-11-13 17:31:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-11-13 17:31:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-11-13 17:31:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 17:31:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 17:31:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-11-13 17:31:09,190 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-11-13 17:31:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-13 17:31:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-13 17:31:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-13 17:31:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-13 17:31:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-13 17:31:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-13 17:31:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-11-13 17:31:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-11-13 17:31:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-13 17:31:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-13 17:31:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-13 17:31:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-13 17:31:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:31:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:31:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-11-13 17:31:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-11-13 17:31:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-11-13 17:31:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-11-13 17:31:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-11-13 17:31:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-11-13 17:31:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:31:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:31:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:31:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:31:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-11-13 17:31:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-11-13 17:31:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-13 17:31:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-13 17:31:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-11-13 17:31:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-11-13 17:31:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 17:31:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 17:31:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-11-13 17:31:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-11-13 17:31:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-13 17:31:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-13 17:31:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-11-13 17:31:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-11-13 17:31:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-11-13 17:31:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-11-13 17:31:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 17:31:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 17:31:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-11-13 17:31:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-11-13 17:31:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 17:31:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 17:31:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-11-13 17:31:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-11-13 17:31:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-13 17:31:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-13 17:31:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-13 17:31:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-13 17:31:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-11-13 17:31:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-11-13 17:31:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-11-13 17:31:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-11-13 17:31:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-11-13 17:31:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-11-13 17:31:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:31:09,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:31:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-11-13 17:31:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-11-13 17:31:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 17:31:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 17:31:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-13 17:31:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-13 17:31:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-11-13 17:31:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-11-13 17:31:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-11-13 17:31:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-11-13 17:31:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 17:31:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 17:31:09,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:31:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 17:31:09,207 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 17:31:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 17:31:09,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 17:31:09,207 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-11-13 17:31:09,208 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-11-13 17:31:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:31:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-11-13 17:31:09,208 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-11-13 17:31:09,208 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-13 17:31:09,208 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-13 17:31:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-11-13 17:31:09,209 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-11-13 17:31:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-13 17:31:09,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-13 17:31:09,209 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-11-13 17:31:09,210 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-11-13 17:31:09,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:31:09,211 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-11-13 17:31:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-11-13 17:31:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 17:31:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 17:31:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 17:31:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 17:31:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 17:31:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 17:31:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 17:31:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 17:31:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 17:31:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 17:31:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-11-13 17:31:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-11-13 17:31:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 17:31:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 17:31:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2021-11-13 17:31:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2021-11-13 17:31:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-11-13 17:31:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-11-13 17:31:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-13 17:31:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-13 17:31:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-13 17:31:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-13 17:31:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-11-13 17:31:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-11-13 17:31:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 17:31:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 17:31:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-11-13 17:31:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-11-13 17:31:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-11-13 17:31:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-11-13 17:31:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 17:31:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 17:31:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-11-13 17:31:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-11-13 17:31:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-13 17:31:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-13 17:31:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-11-13 17:31:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-11-13 17:31:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-11-13 17:31:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-11-13 17:31:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-11-13 17:31:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-11-13 17:31:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-13 17:31:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-13 17:31:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 17:31:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 17:31:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2021-11-13 17:31:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2021-11-13 17:31:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:31:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-11-13 17:31:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-11-13 17:31:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 17:31:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 17:31:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-11-13 17:31:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-11-13 17:31:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-11-13 17:31:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-11-13 17:31:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-11-13 17:31:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-11-13 17:31:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-11-13 17:31:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-11-13 17:31:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-11-13 17:31:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-11-13 17:31:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-11-13 17:31:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-11-13 17:31:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 17:31:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 17:31:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-11-13 17:31:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-11-13 17:31:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-11-13 17:31:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-11-13 17:31:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-11-13 17:31:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-11-13 17:31:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-11-13 17:31:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-11-13 17:31:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2021-11-13 17:31:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2021-11-13 17:31:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-11-13 17:31:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-11-13 17:31:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-13 17:31:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-13 17:31:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-11-13 17:31:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-11-13 17:31:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-11-13 17:31:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-11-13 17:31:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-11-13 17:31:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-11-13 17:31:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-11-13 17:31:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-11-13 17:31:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 17:31:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 17:31:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 17:31:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 17:31:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-11-13 17:31:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-11-13 17:31:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-11-13 17:31:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-11-13 17:31:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-11-13 17:31:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-11-13 17:31:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-13 17:31:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-13 17:31:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 17:31:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 17:31:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-11-13 17:31:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-11-13 17:31:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:31:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 17:31:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 17:31:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-11-13 17:31:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-11-13 17:31:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-13 17:31:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-13 17:31:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-11-13 17:31:09,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-11-13 17:31:15,786 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 17:31:35,092 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 17:31:35,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:31:35,359 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 17:31:35,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:35 BoogieIcfgContainer [2021-11-13 17:31:35,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:31:35,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:31:35,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:31:35,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:31:35,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:31:01" (1/3) ... [2021-11-13 17:31:35,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6365ad44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:35, skipping insertion in model container [2021-11-13 17:31:35,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:07" (2/3) ... [2021-11-13 17:31:35,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6365ad44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:31:35, skipping insertion in model container [2021-11-13 17:31:35,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:35" (3/3) ... [2021-11-13 17:31:35,379 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-13 17:31:35,386 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:31:35,386 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 17:31:35,463 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:31:35,472 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 [2021-11-13 17:31:35,473 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 17:31:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) [2021-11-13 17:31:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-13 17:31:35,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:31:35,599 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:31:35,599 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:31:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:35,606 INFO L85 PathProgramCache]: Analyzing trace with hash -730845148, now seen corresponding path program 1 times [2021-11-13 17:31:35,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:35,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205664415] [2021-11-13 17:31:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:35,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:31:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:31:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:31:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:31:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:31:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:31:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:31:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:31:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:31:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:31:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:31:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:31:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:31:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:31:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:31:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:31:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:31:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:31:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:31:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:31:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:31:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-13 17:31:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:31:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-13 17:31:37,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:31:37,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205664415] [2021-11-13 17:31:37,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205664415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:31:37,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:31:37,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:31:37,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978637524] [2021-11-13 17:31:37,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:31:37,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:31:37,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:31:37,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:31:37,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:31:37,584 INFO L87 Difference]: Start difference. First operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-13 17:31:41,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:31:42,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:31:44,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:31:47,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:31:52,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:31:55,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:31:59,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:06,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:08,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:08,868 INFO L93 Difference]: Finished difference Result 9700 states and 13678 transitions. [2021-11-13 17:32:08,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:32:08,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2021-11-13 17:32:08,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:32:08,965 INFO L225 Difference]: With dead ends: 9700 [2021-11-13 17:32:08,966 INFO L226 Difference]: Without dead ends: 6549 [2021-11-13 17:32:08,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:32:08,999 INFO L933 BasicCegarLoop]: 4668 mSDtfsCounter, 5792 mSDsluCounter, 5208 mSDsCounter, 0 mSdLazyCounter, 2699 mSolverCounterSat, 2274 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28196.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6459 SdHoareTripleChecker+Valid, 9876 SdHoareTripleChecker+Invalid, 4980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 163.37ms SdHoareTripleChecker+Time, 2274 IncrementalHoareTripleChecker+Valid, 2699 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30128.13ms IncrementalHoareTripleChecker+Time [2021-11-13 17:32:09,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6459 Valid, 9876 Invalid, 4980 Unknown, 0 Unchecked, 163.37ms Time], IncrementalHoareTripleChecker [2274 Valid, 2699 Invalid, 7 Unknown, 0 Unchecked, 30128.13ms Time] [2021-11-13 17:32:09,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6549 states. [2021-11-13 17:32:09,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6549 to 6193. [2021-11-13 17:32:09,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6193 states, 4391 states have (on average 1.2862673650649055) internal successors, (5648), 4520 states have internal predecessors, (5648), 1463 states have call successors, (1463), 337 states have call predecessors, (1463), 336 states have return successors, (1459), 1433 states have call predecessors, (1459), 1459 states have call successors, (1459) [2021-11-13 17:32:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 8570 transitions. [2021-11-13 17:32:09,576 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 8570 transitions. Word has length 237 [2021-11-13 17:32:09,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:32:09,583 INFO L470 AbstractCegarLoop]: Abstraction has 6193 states and 8570 transitions. [2021-11-13 17:32:09,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-13 17:32:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 8570 transitions. [2021-11-13 17:32:09,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-13 17:32:09,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:32:09,603 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:09,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:32:09,604 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:32:09,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:09,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1670687779, now seen corresponding path program 1 times [2021-11-13 17:32:09,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:09,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354751599] [2021-11-13 17:32:09,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:09,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:32:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:32:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:32:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:32:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:32:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:32:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:32:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:32:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:32:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:32:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:32:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:32:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:32:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:32:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:32:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:32:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:32:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:32:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:32:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:32:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-13 17:32:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-13 17:32:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-13 17:32:10,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:10,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354751599] [2021-11-13 17:32:10,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354751599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:10,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:10,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:32:10,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560164263] [2021-11-13 17:32:10,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:10,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:32:10,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:10,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:32:10,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:32:10,745 INFO L87 Difference]: Start difference. First operand 6193 states and 8570 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-13 17:32:12,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:14,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:16,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:18,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:21,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:25,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:36,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:37,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:37,213 INFO L93 Difference]: Finished difference Result 19123 states and 26631 transitions. [2021-11-13 17:32:37,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:32:37,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 241 [2021-11-13 17:32:37,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:32:37,360 INFO L225 Difference]: With dead ends: 19123 [2021-11-13 17:32:37,361 INFO L226 Difference]: Without dead ends: 12973 [2021-11-13 17:32:37,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:32:37,400 INFO L933 BasicCegarLoop]: 4737 mSDtfsCounter, 5804 mSDsluCounter, 5284 mSDsCounter, 0 mSdLazyCounter, 2701 mSolverCounterSat, 2317 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23540.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6467 SdHoareTripleChecker+Valid, 10021 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 114.14ms SdHoareTripleChecker+Time, 2317 IncrementalHoareTripleChecker+Valid, 2701 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25464.56ms IncrementalHoareTripleChecker+Time [2021-11-13 17:32:37,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6467 Valid, 10021 Invalid, 5022 Unknown, 0 Unchecked, 114.14ms Time], IncrementalHoareTripleChecker [2317 Valid, 2701 Invalid, 4 Unknown, 0 Unchecked, 25464.56ms Time] [2021-11-13 17:32:37,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2021-11-13 17:32:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12402. [2021-11-13 17:32:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12402 states, 8820 states have (on average 1.2878684807256235) internal successors, (11359), 9088 states have internal predecessors, (11359), 2894 states have call successors, (2894), 672 states have call predecessors, (2894), 685 states have return successors, (2958), 2837 states have call predecessors, (2958), 2890 states have call successors, (2958) [2021-11-13 17:32:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12402 states to 12402 states and 17211 transitions. [2021-11-13 17:32:38,294 INFO L78 Accepts]: Start accepts. Automaton has 12402 states and 17211 transitions. Word has length 241 [2021-11-13 17:32:38,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:32:38,296 INFO L470 AbstractCegarLoop]: Abstraction has 12402 states and 17211 transitions. [2021-11-13 17:32:38,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-13 17:32:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 12402 states and 17211 transitions. [2021-11-13 17:32:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-13 17:32:38,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:32:38,307 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:38,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:32:38,308 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:32:38,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:38,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1137925977, now seen corresponding path program 1 times [2021-11-13 17:32:38,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:38,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283011123] [2021-11-13 17:32:38,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:38,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:32:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:32:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:32:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:32:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:32:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:32:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:32:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:32:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:32:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:32:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:32:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:32:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:32:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:32:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:32:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:32:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:32:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:32:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:32:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:32:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-13 17:32:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 17:32:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:32:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-13 17:32:39,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:39,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283011123] [2021-11-13 17:32:39,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283011123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:39,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:39,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:32:39,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601558445] [2021-11-13 17:32:39,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:39,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:32:39,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:39,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:32:39,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:32:39,495 INFO L87 Difference]: Start difference. First operand 12402 states and 17211 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, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-13 17:32:42,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:43,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:46,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:48,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:51,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:32:54,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:00,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:05,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:07,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:08,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:08,150 INFO L93 Difference]: Finished difference Result 37908 states and 52862 transitions. [2021-11-13 17:33:08,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:33:08,151 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, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 253 [2021-11-13 17:33:08,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:08,344 INFO L225 Difference]: With dead ends: 37908 [2021-11-13 17:33:08,344 INFO L226 Difference]: Without dead ends: 25549 [2021-11-13 17:33:08,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:33:08,417 INFO L933 BasicCegarLoop]: 4977 mSDtfsCounter, 5687 mSDsluCounter, 5426 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 2237 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26097.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6342 SdHoareTripleChecker+Valid, 10403 SdHoareTripleChecker+Invalid, 4932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 76.95ms SdHoareTripleChecker+Time, 2237 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27761.80ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:08,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6342 Valid, 10403 Invalid, 4932 Unknown, 0 Unchecked, 76.95ms Time], IncrementalHoareTripleChecker [2237 Valid, 2689 Invalid, 6 Unknown, 0 Unchecked, 27761.80ms Time] [2021-11-13 17:33:08,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25549 states. [2021-11-13 17:33:09,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25549 to 24492. [2021-11-13 17:33:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24492 states, 17444 states have (on average 1.287835358862646) internal successors, (22465), 17968 states have internal predecessors, (22465), 5678 states have call successors, (5678), 1334 states have call predecessors, (5678), 1367 states have return successors, (5892), 5561 states have call predecessors, (5892), 5674 states have call successors, (5892) [2021-11-13 17:33:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24492 states to 24492 states and 34035 transitions. [2021-11-13 17:33:09,841 INFO L78 Accepts]: Start accepts. Automaton has 24492 states and 34035 transitions. Word has length 253 [2021-11-13 17:33:09,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:09,842 INFO L470 AbstractCegarLoop]: Abstraction has 24492 states and 34035 transitions. [2021-11-13 17:33:09,843 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, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-13 17:33:09,843 INFO L276 IsEmpty]: Start isEmpty. Operand 24492 states and 34035 transitions. [2021-11-13 17:33:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-13 17:33:09,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:09,856 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2021-11-13 17:33:09,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:33:09,857 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:33:09,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:09,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1744232712, now seen corresponding path program 1 times [2021-11-13 17:33:09,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:09,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631159134] [2021-11-13 17:33:09,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:09,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:33:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:33:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:33:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:33:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:33:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:33:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:33:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:33:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:33:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:33:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:33:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:33:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:33:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:33:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:33:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:33:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:33:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:33:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:33:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:33:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 17:33:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 17:33:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:33:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:33:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-13 17:33:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-13 17:33:10,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:10,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631159134] [2021-11-13 17:33:10,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631159134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:10,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:10,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 17:33:10,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695660842] [2021-11-13 17:33:10,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:10,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:33:10,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:10,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:33:10,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:33:10,891 INFO L87 Difference]: Start difference. First operand 24492 states and 34035 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 17:33:15,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:16,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:18,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:21,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:23,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:26,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:28,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:32,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:34,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:40,353 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:41,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:33:43,353 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:08,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:10,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:12,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:34:12,464 INFO L93 Difference]: Finished difference Result 68526 states and 96027 transitions. [2021-11-13 17:34:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 17:34:12,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 268 [2021-11-13 17:34:12,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:34:12,783 INFO L225 Difference]: With dead ends: 68526 [2021-11-13 17:34:12,784 INFO L226 Difference]: Without dead ends: 44077 [2021-11-13 17:34:12,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-11-13 17:34:12,901 INFO L933 BasicCegarLoop]: 4839 mSDtfsCounter, 15399 mSDsluCounter, 10751 mSDsCounter, 0 mSdLazyCounter, 12207 mSolverCounterSat, 8338 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54519.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16666 SdHoareTripleChecker+Valid, 15590 SdHoareTripleChecker+Invalid, 20552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 194.13ms SdHoareTripleChecker+Time, 8338 IncrementalHoareTripleChecker+Valid, 12207 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59083.64ms IncrementalHoareTripleChecker+Time [2021-11-13 17:34:12,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16666 Valid, 15590 Invalid, 20552 Unknown, 0 Unchecked, 194.13ms Time], IncrementalHoareTripleChecker [8338 Valid, 12207 Invalid, 7 Unknown, 0 Unchecked, 59083.64ms Time] [2021-11-13 17:34:12,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44077 states. [2021-11-13 17:34:15,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44077 to 38849. [2021-11-13 17:34:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38849 states, 27496 states have (on average 1.2812045388420135) internal successors, (35228), 28353 states have internal predecessors, (35228), 8916 states have call successors, (8916), 2362 states have call predecessors, (8916), 2434 states have return successors, (9170), 8762 states have call predecessors, (9170), 8912 states have call successors, (9170) [2021-11-13 17:34:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38849 states to 38849 states and 53314 transitions. [2021-11-13 17:34:15,678 INFO L78 Accepts]: Start accepts. Automaton has 38849 states and 53314 transitions. Word has length 268 [2021-11-13 17:34:15,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:34:15,680 INFO L470 AbstractCegarLoop]: Abstraction has 38849 states and 53314 transitions. [2021-11-13 17:34:15,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 17:34:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 38849 states and 53314 transitions. [2021-11-13 17:34:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-13 17:34:15,688 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:34:15,689 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:34:15,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:34:15,689 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:34:15,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:34:15,690 INFO L85 PathProgramCache]: Analyzing trace with hash 254186282, now seen corresponding path program 1 times [2021-11-13 17:34:15,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:34:15,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648508420] [2021-11-13 17:34:15,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:34:15,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:34:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:34:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:34:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:34:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:34:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:34:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:34:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:34:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:34:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:34:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:34:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:34:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:34:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:34:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:34:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:34:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:34:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:34:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:34:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:34:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:34:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 17:34:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-13 17:34:16,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:34:16,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648508420] [2021-11-13 17:34:16,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648508420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:34:16,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:34:16,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:34:16,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724134949] [2021-11-13 17:34:16,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:34:16,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:34:16,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:34:16,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:34:16,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:34:16,789 INFO L87 Difference]: Start difference. First operand 38849 states and 53314 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-13 17:34:20,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:22,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:24,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:27,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:33,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:36,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:39,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:42,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:47,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:48,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:34:48,176 INFO L93 Difference]: Finished difference Result 94598 states and 129399 transitions. [2021-11-13 17:34:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:34:48,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 264 [2021-11-13 17:34:48,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:34:48,533 INFO L225 Difference]: With dead ends: 94598 [2021-11-13 17:34:48,534 INFO L226 Difference]: Without dead ends: 55792 [2021-11-13 17:34:48,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:34:48,924 INFO L933 BasicCegarLoop]: 4513 mSDtfsCounter, 4880 mSDsluCounter, 5117 mSDsCounter, 0 mSdLazyCounter, 2647 mSolverCounterSat, 2160 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27271.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5409 SdHoareTripleChecker+Valid, 9630 SdHoareTripleChecker+Invalid, 4813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 56.01ms SdHoareTripleChecker+Time, 2160 IncrementalHoareTripleChecker+Valid, 2647 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28947.88ms IncrementalHoareTripleChecker+Time [2021-11-13 17:34:48,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5409 Valid, 9630 Invalid, 4813 Unknown, 0 Unchecked, 56.01ms Time], IncrementalHoareTripleChecker [2160 Valid, 2647 Invalid, 6 Unknown, 0 Unchecked, 28947.88ms Time] [2021-11-13 17:34:48,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55792 states. [2021-11-13 17:34:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55792 to 52907. [2021-11-13 17:34:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52907 states, 37420 states have (on average 1.2713522180652057) internal successors, (47574), 38607 states have internal predecessors, (47574), 11782 states have call successors, (11782), 3585 states have call predecessors, (11782), 3702 states have return successors, (12258), 11533 states have call predecessors, (12258), 11778 states have call successors, (12258) [2021-11-13 17:34:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52907 states to 52907 states and 71614 transitions. [2021-11-13 17:34:52,279 INFO L78 Accepts]: Start accepts. Automaton has 52907 states and 71614 transitions. Word has length 264 [2021-11-13 17:34:52,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:34:52,281 INFO L470 AbstractCegarLoop]: Abstraction has 52907 states and 71614 transitions. [2021-11-13 17:34:52,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-13 17:34:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 52907 states and 71614 transitions. [2021-11-13 17:34:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-13 17:34:52,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:34:52,293 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:34:52,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:34:52,293 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:34:52,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:34:52,294 INFO L85 PathProgramCache]: Analyzing trace with hash -775965721, now seen corresponding path program 1 times [2021-11-13 17:34:52,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:34:52,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191275772] [2021-11-13 17:34:52,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:34:52,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:34:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:34:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:34:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:34:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:34:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:34:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:34:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:34:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:34:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:34:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:34:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:34:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:34:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:34:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:34:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:34:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:34:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:34:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:34:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:34:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:34:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 17:34:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-13 17:34:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-13 17:34:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-13 17:34:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:34:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:34:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-11-13 17:34:53,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:34:53,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191275772] [2021-11-13 17:34:53,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191275772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:34:53,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:34:53,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:34:53,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15495759] [2021-11-13 17:34:53,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:34:53,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:34:53,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:34:53,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:34:53,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:34:53,461 INFO L87 Difference]: Start difference. First operand 52907 states and 71614 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 17:34:57,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:34:59,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:03,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:06,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:14,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:16,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:20,731 INFO L93 Difference]: Finished difference Result 155149 states and 211548 transitions. [2021-11-13 17:35:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:35:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2021-11-13 17:35:20,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:35:21,348 INFO L225 Difference]: With dead ends: 155149 [2021-11-13 17:35:21,348 INFO L226 Difference]: Without dead ends: 102285 [2021-11-13 17:35:21,545 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 [2021-11-13 17:35:21,546 INFO L933 BasicCegarLoop]: 5060 mSDtfsCounter, 5634 mSDsluCounter, 5443 mSDsCounter, 0 mSdLazyCounter, 2695 mSolverCounterSat, 2244 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21938.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6304 SdHoareTripleChecker+Valid, 10503 SdHoareTripleChecker+Invalid, 4945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.97ms SdHoareTripleChecker+Time, 2244 IncrementalHoareTripleChecker+Valid, 2695 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23750.45ms IncrementalHoareTripleChecker+Time [2021-11-13 17:35:21,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6304 Valid, 10503 Invalid, 4945 Unknown, 0 Unchecked, 64.97ms Time], IncrementalHoareTripleChecker [2244 Valid, 2695 Invalid, 6 Unknown, 0 Unchecked, 23750.45ms Time] [2021-11-13 17:35:21,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102285 states. [2021-11-13 17:35:25,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102285 to 97084. [2021-11-13 17:35:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97084 states, 68583 states have (on average 1.2736829826633422) internal successors, (87353), 70839 states have internal predecessors, (87353), 21829 states have call successors, (21829), 6466 states have call predecessors, (21829), 6669 states have return successors, (22719), 21300 states have call predecessors, (22719), 21825 states have call successors, (22719) [2021-11-13 17:35:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97084 states to 97084 states and 131901 transitions. [2021-11-13 17:35:26,606 INFO L78 Accepts]: Start accepts. Automaton has 97084 states and 131901 transitions. Word has length 276 [2021-11-13 17:35:26,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:35:26,607 INFO L470 AbstractCegarLoop]: Abstraction has 97084 states and 131901 transitions. [2021-11-13 17:35:26,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-13 17:35:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 97084 states and 131901 transitions. [2021-11-13 17:35:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-13 17:35:26,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:35:26,615 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:35:26,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:35:26,616 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:35:26,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:26,616 INFO L85 PathProgramCache]: Analyzing trace with hash -129880763, now seen corresponding path program 1 times [2021-11-13 17:35:26,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:26,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061302251] [2021-11-13 17:35:26,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:26,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:35:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:35:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:35:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:35:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:35:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:35:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:35:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:35:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:35:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:35:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:35:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:35:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:35:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:35:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:35:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:35:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:35:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:35:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:35:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:35:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 17:35:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-13 17:35:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 17:35:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 17:35:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 17:35:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-13 17:35:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-13 17:35:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2021-11-13 17:35:27,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:27,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061302251] [2021-11-13 17:35:27,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061302251] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:35:27,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:35:27,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:35:27,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81157582] [2021-11-13 17:35:27,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:35:27,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:35:27,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:27,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:35:27,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:35:27,542 INFO L87 Difference]: Start difference. First operand 97084 states and 131901 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-13 17:35:29,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:31,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:32,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:33,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:36,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:41,176 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:45,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:51,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:53,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:00,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:36:00,348 INFO L93 Difference]: Finished difference Result 298585 states and 407635 transitions. [2021-11-13 17:36:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:36:00,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 293 [2021-11-13 17:36:00,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:36:01,542 INFO L225 Difference]: With dead ends: 298585 [2021-11-13 17:36:01,542 INFO L226 Difference]: Without dead ends: 201600 [2021-11-13 17:36:02,090 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 [2021-11-13 17:36:02,091 INFO L933 BasicCegarLoop]: 6200 mSDtfsCounter, 5465 mSDsluCounter, 6182 mSDsCounter, 0 mSdLazyCounter, 2729 mSolverCounterSat, 1948 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23687.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6127 SdHoareTripleChecker+Valid, 12382 SdHoareTripleChecker+Invalid, 4682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 67.74ms SdHoareTripleChecker+Time, 1948 IncrementalHoareTripleChecker+Valid, 2729 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25578.86ms IncrementalHoareTripleChecker+Time [2021-11-13 17:36:02,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6127 Valid, 12382 Invalid, 4682 Unknown, 0 Unchecked, 67.74ms Time], IncrementalHoareTripleChecker [1948 Valid, 2729 Invalid, 5 Unknown, 0 Unchecked, 25578.86ms Time] [2021-11-13 17:36:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201600 states. [2021-11-13 17:36:10,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201600 to 191372. [2021-11-13 17:36:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191372 states, 135433 states have (on average 1.2735965385098167) internal successors, (172487), 139719 states have internal predecessors, (172487), 42759 states have call successors, (42759), 12738 states have call predecessors, (42759), 13177 states have return successors, (44543), 41958 states have call predecessors, (44543), 42755 states have call successors, (44543) [2021-11-13 17:36:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191372 states to 191372 states and 259789 transitions. [2021-11-13 17:36:11,993 INFO L78 Accepts]: Start accepts. Automaton has 191372 states and 259789 transitions. Word has length 293 [2021-11-13 17:36:11,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:36:11,994 INFO L470 AbstractCegarLoop]: Abstraction has 191372 states and 259789 transitions. [2021-11-13 17:36:11,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-13 17:36:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 191372 states and 259789 transitions. [2021-11-13 17:36:11,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-13 17:36:11,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:36:11,999 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:36:11,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:36:12,000 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:36:12,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:36:12,000 INFO L85 PathProgramCache]: Analyzing trace with hash 10667847, now seen corresponding path program 1 times [2021-11-13 17:36:12,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:36:12,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881208497] [2021-11-13 17:36:12,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:36:12,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:36:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:36:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:36:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:36:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:36:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:36:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:36:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:36:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:36:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:36:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:36:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:36:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:36:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:36:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:36:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:36:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:36:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:36:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:36:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:36:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:36:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 17:36:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-13 17:36:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 17:36:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 17:36:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 17:36:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-13 17:36:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-13 17:36:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2021-11-13 17:36:13,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:36:13,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881208497] [2021-11-13 17:36:13,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881208497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:36:13,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:36:13,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:36:13,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115439642] [2021-11-13 17:36:13,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:36:13,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:36:13,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:36:13,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:36:13,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:36:13,682 INFO L87 Difference]: Start difference. First operand 191372 states and 259789 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 17:36:16,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:17,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:19,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:20,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:23,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:27,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:35,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:36:41,175 INFO L93 Difference]: Finished difference Result 201602 states and 275621 transitions. [2021-11-13 17:36:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:36:41,175 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 293 [2021-11-13 17:36:41,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:36:42,205 INFO L225 Difference]: With dead ends: 201602 [2021-11-13 17:36:42,206 INFO L226 Difference]: Without dead ends: 201600 [2021-11-13 17:36:42,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:36:42,286 INFO L933 BasicCegarLoop]: 4129 mSDtfsCounter, 4731 mSDsluCounter, 8469 mSDsCounter, 0 mSdLazyCounter, 3098 mSolverCounterSat, 1544 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19434.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5166 SdHoareTripleChecker+Valid, 12598 SdHoareTripleChecker+Invalid, 4645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.41ms SdHoareTripleChecker+Time, 1544 IncrementalHoareTripleChecker+Valid, 3098 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20727.74ms IncrementalHoareTripleChecker+Time [2021-11-13 17:36:42,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5166 Valid, 12598 Invalid, 4645 Unknown, 0 Unchecked, 68.41ms Time], IncrementalHoareTripleChecker [1544 Valid, 3098 Invalid, 3 Unknown, 0 Unchecked, 20727.74ms Time] [2021-11-13 17:36:42,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201600 states. [2021-11-13 17:36:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201600 to 191376. [2021-11-13 17:36:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191376 states, 135436 states have (on average 1.2735904781594258) internal successors, (172490), 139722 states have internal predecessors, (172490), 42759 states have call successors, (42759), 12739 states have call predecessors, (42759), 13178 states have return successors, (44543), 41958 states have call predecessors, (44543), 42755 states have call successors, (44543) [2021-11-13 17:36:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191376 states to 191376 states and 259792 transitions. [2021-11-13 17:36:52,371 INFO L78 Accepts]: Start accepts. Automaton has 191376 states and 259792 transitions. Word has length 293 [2021-11-13 17:36:52,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:36:52,372 INFO L470 AbstractCegarLoop]: Abstraction has 191376 states and 259792 transitions. [2021-11-13 17:36:52,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 17:36:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 191376 states and 259792 transitions. [2021-11-13 17:36:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-13 17:36:52,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:36:52,378 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:36:52,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:36:52,378 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 17:36:52,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:36:52,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1656708072, now seen corresponding path program 1 times [2021-11-13 17:36:52,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:36:52,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836258674] [2021-11-13 17:36:52,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:36:52,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:36:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:36:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:36:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:36:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:36:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:36:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:36:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:36:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:36:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:36:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:36:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:36:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:36:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:36:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:36:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:36:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 17:36:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 17:36:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:36:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:36:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-13 17:36:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 17:36:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-13 17:36:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 17:36:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-13 17:36:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-13 17:36:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-13 17:36:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-13 17:36:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 17:36:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2021-11-13 17:36:53,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:36:53,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836258674] [2021-11-13 17:36:53,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836258674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:36:53,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:36:53,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:36:53,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665303769] [2021-11-13 17:36:53,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:36:53,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:36:53,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:36:53,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:36:53,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:36:53,482 INFO L87 Difference]: Start difference. First operand 191376 states and 259792 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-13 17:36:56,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:59,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:37:04,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []