./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/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_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF --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-53f42b1 [2021-11-20 07:35:15,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:35:15,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:35:15,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:35:15,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:35:15,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:35:15,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:35:15,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:35:15,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:35:15,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:35:15,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:35:15,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:35:15,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:35:15,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:35:15,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:35:15,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:35:15,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:35:15,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:35:15,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:35:15,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:35:15,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:35:15,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:35:15,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:35:15,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:35:15,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:35:15,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:35:15,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:35:15,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:35:15,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:35:15,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:35:15,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:35:15,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:35:15,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:35:15,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:35:15,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:35:15,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:35:15,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:35:15,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:35:15,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:35:15,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:35:15,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:35:15,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:35:15,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:35:15,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:35:15,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:35:15,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:35:15,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:35:15,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:35:15,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:35:15,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:35:15,542 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:35:15,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:35:15,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:35:15,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:35:15,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:35:15,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:35:15,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:35:15,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:35:15,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:35:15,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:35:15,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:35:15,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:35:15,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:35:15,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:35:15,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:35:15,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:35:15,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:35:15,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:35:15,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:35:15,548 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:35:15,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:35:15,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:35:15,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:35:15,549 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_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2021-11-20 07:35:15,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:35:15,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:35:15,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:35:15,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:35:15,845 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:35:15,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-20 07:35:15,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/data/557bc0866/c02aa2e6d634464da2df10d0622f000c/FLAG0aaefc8a7 [2021-11-20 07:35:17,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:35:17,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-20 07:35:17,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/data/557bc0866/c02aa2e6d634464da2df10d0622f000c/FLAG0aaefc8a7 [2021-11-20 07:35:17,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/data/557bc0866/c02aa2e6d634464da2df10d0622f000c [2021-11-20 07:35:17,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:35:17,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:35:17,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:35:17,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:35:17,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:35:17,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:35:17" (1/1) ... [2021-11-20 07:35:17,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d855fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:17, skipping insertion in model container [2021-11-20 07:35:17,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:35:17" (1/1) ... [2021-11-20 07:35:17,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:35:17,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:35:22,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/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] [2021-11-20 07:35:22,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/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] [2021-11-20 07:35:22,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/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] [2021-11-20 07:35:22,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/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] [2021-11-20 07:35:22,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:35:23,068 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:35:23,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/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] [2021-11-20 07:35:23,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/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] [2021-11-20 07:35:23,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/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] [2021-11-20 07:35:23,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/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] [2021-11-20 07:35:23,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:35:24,121 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:35:24,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24 WrapperNode [2021-11-20 07:35:24,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:35:24,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:35:24,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:35:24,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:35:24,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:24,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:24,747 INFO L137 Inliner]: procedures = 663, calls = 4677, calls flagged for inlining = 358, calls inlined = 345, statements flattened = 10344 [2021-11-20 07:35:24,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:35:24,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:35:24,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:35:24,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:35:24,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:24,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:24,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:24,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:25,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:25,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:25,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:25,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:35:25,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:35:25,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:35:25,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:35:25,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (1/1) ... [2021-11-20 07:35:25,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:35:25,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:35:25,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:35:25,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567044f-3f47-455b-874a-35d6a0b0b11d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:35:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 07:35:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 07:35:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-20 07:35:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-20 07:35:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-11-20 07:35:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-11-20 07:35:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 07:35:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 07:35:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-11-20 07:35:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-11-20 07:35:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:35:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:35:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 07:35:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 07:35:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-11-20 07:35:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-11-20 07:35:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-11-20 07:35:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-11-20 07:35:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-11-20 07:35:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-11-20 07:35:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-11-20 07:35:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-11-20 07:35:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 07:35:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 07:35:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-11-20 07:35:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-11-20 07:35:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 07:35:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 07:35:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-20 07:35:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-20 07:35:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-20 07:35:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-20 07:35:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-11-20 07:35:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-11-20 07:35:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-11-20 07:35:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-11-20 07:35:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 07:35:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 07:35:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 07:35:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 07:35:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 07:35:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 07:35:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 07:35:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 07:35:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-11-20 07:35:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-11-20 07:35:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 07:35:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 07:35:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 07:35:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 07:35:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 07:35:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 07:35:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-11-20 07:35:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-11-20 07:35:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:35:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 07:35:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 07:35:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-20 07:35:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-20 07:35:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-20 07:35:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-20 07:35:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-11-20 07:35:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-11-20 07:35:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-11-20 07:35:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-11-20 07:35:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-11-20 07:35:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-11-20 07:35:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-11-20 07:35:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-11-20 07:35:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 07:35:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 07:35:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-11-20 07:35:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-11-20 07:35:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-11-20 07:35:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-11-20 07:35:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-11-20 07:35:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-11-20 07:35:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-11-20 07:35:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-11-20 07:35:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:35:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-11-20 07:35:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-11-20 07:35:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 07:35:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 07:35:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:35:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-11-20 07:35:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-11-20 07:35:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 07:35:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 07:35:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-11-20 07:35:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-11-20 07:35:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-11-20 07:35:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-11-20 07:35:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:35:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:35:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:35:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-11-20 07:35:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-11-20 07:35:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:35:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:35:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 07:35:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 07:35:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-11-20 07:35:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-11-20 07:35:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 07:35:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 07:35:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-20 07:35:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-20 07:35:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 07:35:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 07:35:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-11-20 07:35:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-11-20 07:35:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-20 07:35:25,435 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-20 07:35:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-11-20 07:35:25,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-11-20 07:35:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 07:35:25,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 07:35:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:35:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 07:35:25,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 07:35:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 07:35:25,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 07:35:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:35:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-11-20 07:35:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-11-20 07:35:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-20 07:35:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-20 07:35:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 07:35:25,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 07:35:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 07:35:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 07:35:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:35:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:35:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:35:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-11-20 07:35:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-11-20 07:35:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-11-20 07:35:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-11-20 07:35:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:35:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:35:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-20 07:35:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-20 07:35:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-11-20 07:35:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-11-20 07:35:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-11-20 07:35:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-11-20 07:35:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:35:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:35:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-11-20 07:35:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-11-20 07:35:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 07:35:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 07:35:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-20 07:35:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-20 07:35:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-20 07:35:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-20 07:35:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-11-20 07:35:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-11-20 07:35:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-20 07:35:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-20 07:35:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-20 07:35:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-20 07:35:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:35:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:35:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-11-20 07:35:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-11-20 07:35:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-11-20 07:35:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-11-20 07:35:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-11-20 07:35:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-11-20 07:35:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:35:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:35:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:35:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:35:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-11-20 07:35:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-11-20 07:35:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-20 07:35:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-20 07:35:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-11-20 07:35:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-11-20 07:35:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 07:35:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 07:35:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-11-20 07:35:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-11-20 07:35:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-20 07:35:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-20 07:35:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-11-20 07:35:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-11-20 07:35:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-11-20 07:35:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-11-20 07:35:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 07:35:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 07:35:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-11-20 07:35:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-11-20 07:35:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:35:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:35:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-11-20 07:35:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-11-20 07:35:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 07:35:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 07:35:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-20 07:35:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-20 07:35:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-11-20 07:35:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-11-20 07:35:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-11-20 07:35:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-11-20 07:35:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-11-20 07:35:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-11-20 07:35:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:35:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:35:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-11-20 07:35:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-11-20 07:35:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 07:35:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 07:35:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-20 07:35:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-20 07:35:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-11-20 07:35:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-11-20 07:35:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-11-20 07:35:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-11-20 07:35:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 07:35:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 07:35:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:35:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 07:35:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 07:35:25,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 07:35:25,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 07:35:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-11-20 07:35:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-11-20 07:35:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:35:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-11-20 07:35:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-11-20 07:35:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 07:35:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 07:35:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-11-20 07:35:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-11-20 07:35:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-20 07:35:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-20 07:35:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-11-20 07:35:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-11-20 07:35:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:35:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-11-20 07:35:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-11-20 07:35:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 07:35:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 07:35:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 07:35:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 07:35:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 07:35:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 07:35:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 07:35:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 07:35:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 07:35:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 07:35:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-11-20 07:35:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-11-20 07:35:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 07:35:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 07:35:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2021-11-20 07:35:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2021-11-20 07:35:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-11-20 07:35:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-11-20 07:35:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-20 07:35:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-20 07:35:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-20 07:35:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-20 07:35:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-11-20 07:35:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-11-20 07:35:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 07:35:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 07:35:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-11-20 07:35:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-11-20 07:35:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-11-20 07:35:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-11-20 07:35:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 07:35:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 07:35:25,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-11-20 07:35:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-11-20 07:35:25,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-20 07:35:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-20 07:35:25,460 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-11-20 07:35:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-11-20 07:35:25,461 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-11-20 07:35:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-11-20 07:35:25,461 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-11-20 07:35:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-11-20 07:35:25,461 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 07:35:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 07:35:25,461 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:35:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:35:25,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2021-11-20 07:35:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2021-11-20 07:35:25,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:35:25,462 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-11-20 07:35:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-11-20 07:35:25,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:35:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:35:25,463 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-11-20 07:35:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-11-20 07:35:25,463 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-11-20 07:35:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-11-20 07:35:25,463 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-11-20 07:35:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-11-20 07:35:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-11-20 07:35:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-11-20 07:35:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-11-20 07:35:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-11-20 07:35:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-11-20 07:35:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-11-20 07:35:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 07:35:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 07:35:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-11-20 07:35:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-11-20 07:35:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-11-20 07:35:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-11-20 07:35:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-11-20 07:35:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-11-20 07:35:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-11-20 07:35:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-11-20 07:35:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2021-11-20 07:35:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2021-11-20 07:35:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-11-20 07:35:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-11-20 07:35:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 07:35:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 07:35:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-11-20 07:35:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-11-20 07:35:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-11-20 07:35:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-11-20 07:35:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-11-20 07:35:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-11-20 07:35:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-11-20 07:35:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-11-20 07:35:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 07:35:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 07:35:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 07:35:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 07:35:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-11-20 07:35:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-11-20 07:35:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-11-20 07:35:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-11-20 07:35:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-11-20 07:35:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-11-20 07:35:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-20 07:35:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-20 07:35:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 07:35:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 07:35:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-11-20 07:35:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-11-20 07:35:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:35:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 07:35:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 07:35:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-11-20 07:35:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-11-20 07:35:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-20 07:35:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-20 07:35:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-11-20 07:35:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-11-20 07:35:26,853 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:35:26,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:35:30,761 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:35:45,460 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 07:35:45,606 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:35:45,656 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:35:45,656 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 07:35:45,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:35:45 BoogieIcfgContainer [2021-11-20 07:35:45,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:35:45,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:35:45,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:35:45,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:35:45,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:35:17" (1/3) ... [2021-11-20 07:35:45,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d2b44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:35:45, skipping insertion in model container [2021-11-20 07:35:45,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:24" (2/3) ... [2021-11-20 07:35:45,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d2b44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:35:45, skipping insertion in model container [2021-11-20 07:35:45,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:35:45" (3/3) ... [2021-11-20 07:35:45,675 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-20 07:35:45,681 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:35:45,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 07:35:45,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:35:45,775 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 [2021-11-20 07:35:45,775 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 07:35:45,865 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) [2021-11-20 07:35:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-20 07:35:45,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:45,887 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] [2021-11-20 07:35:45,887 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)] === [2021-11-20 07:35:45,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:45,891 INFO L85 PathProgramCache]: Analyzing trace with hash -730845148, now seen corresponding path program 1 times [2021-11-20 07:35:45,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:45,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934034990] [2021-11-20 07:35:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:45,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:35:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:46,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:35:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:46,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:35:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:46,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:46,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:35:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:35:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:35:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:35:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:35:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:35:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:35:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:35:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:35:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:35:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:35:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:35:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:35:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:35:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:35:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:35:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:35:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:35:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 07:35:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-20 07:35:47,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:47,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934034990] [2021-11-20 07:35:47,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934034990] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:47,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:47,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:35:47,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765226873] [2021-11-20 07:35:47,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:47,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:35:47,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:47,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:35:47,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:35:47,435 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) [2021-11-20 07:35:50,357 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 [] [2021-11-20 07:35:52,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:55,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:59,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:02,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:06,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:12,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:15,148 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 [] [2021-11-20 07:36:15,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:15,590 INFO L93 Difference]: Finished difference Result 9700 states and 13678 transitions. [2021-11-20 07:36:15,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:36:15,593 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 [2021-11-20 07:36:15,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:15,676 INFO L225 Difference]: With dead ends: 9700 [2021-11-20 07:36:15,676 INFO L226 Difference]: Without dead ends: 6549 [2021-11-20 07:36:15,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:15,704 INFO L933 BasicCegarLoop]: 4667 mSDtfsCounter, 5792 mSDsluCounter, 5197 mSDsCounter, 0 mSdLazyCounter, 2699 mSolverCounterSat, 2274 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6458 SdHoareTripleChecker+Valid, 9864 SdHoareTripleChecker+Invalid, 4980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2274 IncrementalHoareTripleChecker+Valid, 2699 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:15,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6458 Valid, 9864 Invalid, 4980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2274 Valid, 2699 Invalid, 7 Unknown, 0 Unchecked, 27.3s Time] [2021-11-20 07:36:15,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6549 states. [2021-11-20 07:36:16,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6549 to 6193. [2021-11-20 07:36:16,164 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) [2021-11-20 07:36:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 8570 transitions. [2021-11-20 07:36:16,222 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 8570 transitions. Word has length 237 [2021-11-20 07:36:16,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:16,225 INFO L470 AbstractCegarLoop]: Abstraction has 6193 states and 8570 transitions. [2021-11-20 07:36:16,225 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) [2021-11-20 07:36:16,225 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 8570 transitions. [2021-11-20 07:36:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-20 07:36:16,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:16,233 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] [2021-11-20 07:36:16,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:36:16,234 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)] === [2021-11-20 07:36:16,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:16,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1670687779, now seen corresponding path program 1 times [2021-11-20 07:36:16,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:16,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090979862] [2021-11-20 07:36:16,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:16,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:36:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:36:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:36:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:36:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:36:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:36:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:36:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:36:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:36:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:36:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:36:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:36:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:36:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:36:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:36:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:36:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:36:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:36:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:36:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 07:36:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-20 07:36:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-20 07:36:17,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:17,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090979862] [2021-11-20 07:36:17,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090979862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:17,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:17,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:17,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942277422] [2021-11-20 07:36:17,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:17,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:17,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:17,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:17,290 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) [2021-11-20 07:36:19,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:20,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:23,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:25,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:29,898 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:39,445 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 [] [2021-11-20 07:36:40,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:40,095 INFO L93 Difference]: Finished difference Result 19123 states and 26631 transitions. [2021-11-20 07:36:40,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:36:40,096 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 [2021-11-20 07:36:40,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:40,249 INFO L225 Difference]: With dead ends: 19123 [2021-11-20 07:36:40,250 INFO L226 Difference]: Without dead ends: 12973 [2021-11-20 07:36:40,292 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 [2021-11-20 07:36:40,294 INFO L933 BasicCegarLoop]: 4749 mSDtfsCounter, 5795 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 2316 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6458 SdHoareTripleChecker+Valid, 10047 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2316 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:40,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6458 Valid, 10047 Invalid, 5022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2316 Valid, 2703 Invalid, 3 Unknown, 0 Unchecked, 21.9s Time] [2021-11-20 07:36:40,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2021-11-20 07:36:40,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12402. [2021-11-20 07:36:41,023 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) [2021-11-20 07:36:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12402 states to 12402 states and 17211 transitions. [2021-11-20 07:36:41,129 INFO L78 Accepts]: Start accepts. Automaton has 12402 states and 17211 transitions. Word has length 241 [2021-11-20 07:36:41,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:41,132 INFO L470 AbstractCegarLoop]: Abstraction has 12402 states and 17211 transitions. [2021-11-20 07:36:41,133 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) [2021-11-20 07:36:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 12402 states and 17211 transitions. [2021-11-20 07:36:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-20 07:36:41,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:41,145 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] [2021-11-20 07:36:41,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:36:41,146 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)] === [2021-11-20 07:36:41,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:41,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1137925977, now seen corresponding path program 1 times [2021-11-20 07:36:41,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:41,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353211371] [2021-11-20 07:36:41,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:41,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:36:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:36:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:36:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:36:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:36:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:36:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:36:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:36:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:36:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:36:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:36:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:36:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:36:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:36:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:36:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:36:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:36:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:36:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:36:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:36:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-20 07:36:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 07:36:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:36:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-20 07:36:42,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:42,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353211371] [2021-11-20 07:36:42,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353211371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:42,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:42,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:36:42,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810533490] [2021-11-20 07:36:42,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:42,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:36:42,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:42,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:36:42,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:36:42,174 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) [2021-11-20 07:36:43,736 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 [] [2021-11-20 07:36:44,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:47,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:49,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:53,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:55,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:02,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:06,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:08,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:09,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:37:09,122 INFO L93 Difference]: Finished difference Result 37908 states and 52862 transitions. [2021-11-20 07:37:09,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:37:09,123 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 [2021-11-20 07:37:09,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:37:09,353 INFO L225 Difference]: With dead ends: 37908 [2021-11-20 07:37:09,354 INFO L226 Difference]: Without dead ends: 25549 [2021-11-20 07:37:09,455 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 [2021-11-20 07:37:09,456 INFO L933 BasicCegarLoop]: 4978 mSDtfsCounter, 5687 mSDsluCounter, 5428 mSDsCounter, 0 mSdLazyCounter, 2688 mSolverCounterSat, 2237 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6342 SdHoareTripleChecker+Valid, 10406 SdHoareTripleChecker+Invalid, 4932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2237 IncrementalHoareTripleChecker+Valid, 2688 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:37:09,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6342 Valid, 10406 Invalid, 4932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2237 Valid, 2688 Invalid, 7 Unknown, 0 Unchecked, 26.0s Time] [2021-11-20 07:37:09,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25549 states. [2021-11-20 07:37:11,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25549 to 24492. [2021-11-20 07:37:11,146 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) [2021-11-20 07:37:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24492 states to 24492 states and 34035 transitions. [2021-11-20 07:37:11,497 INFO L78 Accepts]: Start accepts. Automaton has 24492 states and 34035 transitions. Word has length 253 [2021-11-20 07:37:11,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:37:11,502 INFO L470 AbstractCegarLoop]: Abstraction has 24492 states and 34035 transitions. [2021-11-20 07:37:11,502 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) [2021-11-20 07:37:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand 24492 states and 34035 transitions. [2021-11-20 07:37:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-20 07:37:11,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:37:11,516 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] [2021-11-20 07:37:11,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:37:11,517 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)] === [2021-11-20 07:37:11,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:11,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1744232712, now seen corresponding path program 1 times [2021-11-20 07:37:11,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:11,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252449184] [2021-11-20 07:37:11,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:11,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:37:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:37:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:37:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:37:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:37:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:37:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:37:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:37:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:37:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:37:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:37:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:37:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:37:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:37:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:37:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:37:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:37:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:37:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:37:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:37:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-20 07:37:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:37:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:37:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:37:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 07:37:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-20 07:37:12,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:12,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252449184] [2021-11-20 07:37:12,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252449184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:12,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:12,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:37:12,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016618772] [2021-11-20 07:37:12,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:12,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:37:12,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:12,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:37:12,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:37:12,531 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) [2021-11-20 07:37:14,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:17,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:20,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:22,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:25,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:27,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:31,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:33,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:40,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:41,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:43,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:08,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:10,452 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 [] [2021-11-20 07:38:11,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:38:11,947 INFO L93 Difference]: Finished difference Result 68526 states and 96027 transitions. [2021-11-20 07:38:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:38:11,948 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 [2021-11-20 07:38:11,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:38:12,404 INFO L225 Difference]: With dead ends: 68526 [2021-11-20 07:38:12,405 INFO L226 Difference]: Without dead ends: 44077 [2021-11-20 07:38:12,518 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 [2021-11-20 07:38:12,521 INFO L933 BasicCegarLoop]: 4834 mSDtfsCounter, 15407 mSDsluCounter, 10741 mSDsCounter, 0 mSdLazyCounter, 12203 mSolverCounterSat, 8346 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16669 SdHoareTripleChecker+Valid, 15575 SdHoareTripleChecker+Invalid, 20558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8346 IncrementalHoareTripleChecker+Valid, 12203 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:38:12,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16669 Valid, 15575 Invalid, 20558 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8346 Valid, 12203 Invalid, 9 Unknown, 0 Unchecked, 57.1s Time] [2021-11-20 07:38:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44077 states. [2021-11-20 07:38:14,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44077 to 38849. [2021-11-20 07:38:14,599 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) [2021-11-20 07:38:14,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38849 states to 38849 states and 53314 transitions. [2021-11-20 07:38:14,786 INFO L78 Accepts]: Start accepts. Automaton has 38849 states and 53314 transitions. Word has length 268 [2021-11-20 07:38:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:38:14,787 INFO L470 AbstractCegarLoop]: Abstraction has 38849 states and 53314 transitions. [2021-11-20 07:38:14,787 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) [2021-11-20 07:38:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 38849 states and 53314 transitions. [2021-11-20 07:38:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-20 07:38:14,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:38:14,796 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] [2021-11-20 07:38:14,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:38:14,797 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)] === [2021-11-20 07:38:14,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:38:14,797 INFO L85 PathProgramCache]: Analyzing trace with hash 254186282, now seen corresponding path program 1 times [2021-11-20 07:38:14,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:38:14,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792953950] [2021-11-20 07:38:14,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:38:14,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:38:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:38:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:38:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:38:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:38:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:38:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:38:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:38:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:38:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:38:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:38:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:38:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:38:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:38:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:38:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:38:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:38:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:38:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:38:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:38:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:38:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:38:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-20 07:38:15,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:38:15,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792953950] [2021-11-20 07:38:15,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792953950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:38:15,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:38:15,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:38:15,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200914461] [2021-11-20 07:38:15,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:38:15,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:38:15,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:38:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:38:15,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:38:15,801 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) [2021-11-20 07:38:17,637 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 [] [2021-11-20 07:38:19,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:21,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:23,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:29,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:31,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:34,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:37,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:43,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:43,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:38:43,365 INFO L93 Difference]: Finished difference Result 94598 states and 129399 transitions. [2021-11-20 07:38:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:38:43,365 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 [2021-11-20 07:38:43,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:38:43,678 INFO L225 Difference]: With dead ends: 94598 [2021-11-20 07:38:43,678 INFO L226 Difference]: Without dead ends: 55792 [2021-11-20 07:38:43,807 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 [2021-11-20 07:38:43,808 INFO L933 BasicCegarLoop]: 4504 mSDtfsCounter, 4889 mSDsluCounter, 5127 mSDsCounter, 0 mSdLazyCounter, 2646 mSolverCounterSat, 2161 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5420 SdHoareTripleChecker+Valid, 9631 SdHoareTripleChecker+Invalid, 4813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2161 IncrementalHoareTripleChecker+Valid, 2646 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:38:43,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5420 Valid, 9631 Invalid, 4813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2161 Valid, 2646 Invalid, 6 Unknown, 0 Unchecked, 25.5s Time] [2021-11-20 07:38:43,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55792 states. [2021-11-20 07:38:46,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55792 to 52907. [2021-11-20 07:38:46,341 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) [2021-11-20 07:38:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52907 states to 52907 states and 71614 transitions. [2021-11-20 07:38:47,098 INFO L78 Accepts]: Start accepts. Automaton has 52907 states and 71614 transitions. Word has length 264 [2021-11-20 07:38:47,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:38:47,100 INFO L470 AbstractCegarLoop]: Abstraction has 52907 states and 71614 transitions. [2021-11-20 07:38:47,100 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) [2021-11-20 07:38:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 52907 states and 71614 transitions. [2021-11-20 07:38:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-20 07:38:47,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:38:47,107 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] [2021-11-20 07:38:47,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:38:47,108 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)] === [2021-11-20 07:38:47,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:38:47,109 INFO L85 PathProgramCache]: Analyzing trace with hash -775965721, now seen corresponding path program 1 times [2021-11-20 07:38:47,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:38:47,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447092985] [2021-11-20 07:38:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:38:47,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:38:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:38:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:38:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:38:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:38:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:38:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:38:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:38:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:38:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:38:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:38:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:38:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:38:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:38:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:38:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:38:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:38:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:38:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:38:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:38:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:38:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:38:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-20 07:38:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 07:38:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-20 07:38:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:38:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-11-20 07:38:48,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:38:48,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447092985] [2021-11-20 07:38:48,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447092985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:38:48,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:38:48,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:38:48,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185429765] [2021-11-20 07:38:48,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:38:48,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:38:48,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:38:48,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:38:48,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:38:48,322 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) [2021-11-20 07:38:50,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:52,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:54,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:56,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:59,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:02,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:09,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:11,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:16,049 INFO L93 Difference]: Finished difference Result 156061 states and 212756 transitions. [2021-11-20 07:39:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:39:16,049 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 [2021-11-20 07:39:16,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:16,915 INFO L225 Difference]: With dead ends: 156061 [2021-11-20 07:39:16,915 INFO L226 Difference]: Without dead ends: 103197 [2021-11-20 07:39:17,124 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 [2021-11-20 07:39:17,126 INFO L933 BasicCegarLoop]: 4965 mSDtfsCounter, 5745 mSDsluCounter, 5409 mSDsCounter, 0 mSdLazyCounter, 2708 mSolverCounterSat, 2259 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6421 SdHoareTripleChecker+Valid, 10374 SdHoareTripleChecker+Invalid, 4972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2259 IncrementalHoareTripleChecker+Valid, 2708 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:17,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6421 Valid, 10374 Invalid, 4972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2259 Valid, 2708 Invalid, 5 Unknown, 0 Unchecked, 24.0s Time] [2021-11-20 07:39:17,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103197 states. [2021-11-20 07:39:20,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103197 to 97948. [2021-11-20 07:39:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97948 states, 69207 states have (on average 1.2729492681376162) internal successors, (88097), 71463 states have internal predecessors, (88097), 22013 states have call successors, (22013), 6522 states have call predecessors, (22013), 6725 states have return successors, (22903), 21484 states have call predecessors, (22903), 22009 states have call successors, (22903) [2021-11-20 07:39:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97948 states to 97948 states and 133013 transitions. [2021-11-20 07:39:21,779 INFO L78 Accepts]: Start accepts. Automaton has 97948 states and 133013 transitions. Word has length 276 [2021-11-20 07:39:21,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:21,780 INFO L470 AbstractCegarLoop]: Abstraction has 97948 states and 133013 transitions. [2021-11-20 07:39:21,780 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) [2021-11-20 07:39:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 97948 states and 133013 transitions. [2021-11-20 07:39:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-20 07:39:21,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:21,787 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] [2021-11-20 07:39:21,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:39:21,787 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)] === [2021-11-20 07:39:21,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:21,788 INFO L85 PathProgramCache]: Analyzing trace with hash -129880763, now seen corresponding path program 1 times [2021-11-20 07:39:21,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:21,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487608152] [2021-11-20 07:39:21,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:21,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:39:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:39:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:39:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:39:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:39:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:39:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:39:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:39:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:39:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:39:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:39:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:39:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:39:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:39:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:39:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:39:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:39:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:39:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:39:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:39:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:39:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:39:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:39:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:39:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:39:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-20 07:39:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:39:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:22,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2021-11-20 07:39:22,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:22,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487608152] [2021-11-20 07:39:22,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487608152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:22,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:22,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:39:22,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925252555] [2021-11-20 07:39:22,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:22,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:39:22,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:39:22,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:39:22,791 INFO L87 Difference]: Start difference. First operand 97948 states and 133013 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) [2021-11-20 07:39:24,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:26,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:30,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:34,109 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:38,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:44,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:47,031 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 [] [2021-11-20 07:39:52,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:52,654 INFO L93 Difference]: Finished difference Result 301305 states and 411195 transitions. [2021-11-20 07:39:52,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:39:52,654 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 [2021-11-20 07:39:52,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:53,619 INFO L225 Difference]: With dead ends: 301305 [2021-11-20 07:39:53,619 INFO L226 Difference]: Without dead ends: 203456 [2021-11-20 07:39:54,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:39:54,141 INFO L933 BasicCegarLoop]: 6197 mSDtfsCounter, 5467 mSDsluCounter, 6157 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 1946 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6131 SdHoareTripleChecker+Valid, 12354 SdHoareTripleChecker+Invalid, 4682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1946 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:54,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6131 Valid, 12354 Invalid, 4682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1946 Valid, 2731 Invalid, 5 Unknown, 0 Unchecked, 22.9s Time] [2021-11-20 07:39:54,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203456 states. [2021-11-20 07:40:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203456 to 193100. [2021-11-20 07:40:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193100 states, 136681 states have (on average 1.2728543104015921) internal successors, (173975), 140967 states have internal predecessors, (173975), 43127 states have call successors, (43127), 12850 states have call predecessors, (43127), 13289 states have return successors, (44911), 42326 states have call predecessors, (44911), 43123 states have call successors, (44911) [2021-11-20 07:40:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193100 states to 193100 states and 262013 transitions. [2021-11-20 07:40:02,608 INFO L78 Accepts]: Start accepts. Automaton has 193100 states and 262013 transitions. Word has length 293 [2021-11-20 07:40:02,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:40:02,610 INFO L470 AbstractCegarLoop]: Abstraction has 193100 states and 262013 transitions. [2021-11-20 07:40:02,610 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) [2021-11-20 07:40:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand 193100 states and 262013 transitions. [2021-11-20 07:40:02,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-20 07:40:02,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:02,619 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] [2021-11-20 07:40:02,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:40:02,619 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)] === [2021-11-20 07:40:02,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:02,620 INFO L85 PathProgramCache]: Analyzing trace with hash 10667847, now seen corresponding path program 1 times [2021-11-20 07:40:02,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:02,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059999764] [2021-11-20 07:40:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:02,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:40:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:40:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:40:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:40:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:40:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:40:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:40:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:40:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:40:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:40:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:40:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:40:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:40:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:40:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:40:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:40:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:40:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:40:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:40:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:40:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:40:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:40:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:40:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:40:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:40:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-20 07:40:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:40:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2021-11-20 07:40:04,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:04,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059999764] [2021-11-20 07:40:04,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059999764] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:04,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:04,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:40:04,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418450642] [2021-11-20 07:40:04,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:04,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:40:04,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:04,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:40:04,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:40:04,073 INFO L87 Difference]: Start difference. First operand 193100 states and 262013 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) [2021-11-20 07:40:05,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:07,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:08,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:09,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:12,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:17,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:24,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:40:29,057 INFO L93 Difference]: Finished difference Result 203458 states and 278069 transitions. [2021-11-20 07:40:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:40:29,058 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 [2021-11-20 07:40:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:40:29,992 INFO L225 Difference]: With dead ends: 203458 [2021-11-20 07:40:29,993 INFO L226 Difference]: Without dead ends: 203456 [2021-11-20 07:40:30,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:40:30,070 INFO L933 BasicCegarLoop]: 4147 mSDtfsCounter, 4715 mSDsluCounter, 8505 mSDsCounter, 0 mSdLazyCounter, 3101 mSolverCounterSat, 1539 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5150 SdHoareTripleChecker+Valid, 12652 SdHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1539 IncrementalHoareTripleChecker+Valid, 3101 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:40:30,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5150 Valid, 12652 Invalid, 4643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1539 Valid, 3101 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2021-11-20 07:40:30,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203456 states. [2021-11-20 07:40:37,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203456 to 193104. [2021-11-20 07:40:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193104 states, 136684 states have (on average 1.2728483216762752) internal successors, (173978), 140970 states have internal predecessors, (173978), 43127 states have call successors, (43127), 12851 states have call predecessors, (43127), 13290 states have return successors, (44911), 42326 states have call predecessors, (44911), 43123 states have call successors, (44911) [2021-11-20 07:40:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193104 states to 193104 states and 262016 transitions. [2021-11-20 07:40:39,027 INFO L78 Accepts]: Start accepts. Automaton has 193104 states and 262016 transitions. Word has length 293 [2021-11-20 07:40:39,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:40:39,027 INFO L470 AbstractCegarLoop]: Abstraction has 193104 states and 262016 transitions. [2021-11-20 07:40:39,027 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) [2021-11-20 07:40:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 193104 states and 262016 transitions. [2021-11-20 07:40:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-20 07:40:39,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:39,031 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] [2021-11-20 07:40:39,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:40:39,032 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)] === [2021-11-20 07:40:39,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1656708072, now seen corresponding path program 1 times [2021-11-20 07:40:39,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:39,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306108743] [2021-11-20 07:40:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:39,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:40:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:40:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:40:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:40:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:40:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:40:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:40:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:40:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:40:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:40:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:40:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:40:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:40:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:40:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:40:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:40:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:40:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:40:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:40:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-20 07:40:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 07:40:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:40:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:40:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:40:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:40:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-20 07:40:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-20 07:40:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-20 07:40:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1819 trivial. 0 not checked. [2021-11-20 07:40:39,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:39,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306108743] [2021-11-20 07:40:39,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306108743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:39,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:39,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:40:39,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742883764] [2021-11-20 07:40:39,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:39,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:40:39,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:39,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:40:39,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:40:39,823 INFO L87 Difference]: Start difference. First operand 193104 states and 262016 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) [2021-11-20 07:40:41,616 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:43,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:44,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:48,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:52,374 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 []