./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-atheros-atlx-atl2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc --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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:59:36,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:59:36,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:59:36,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:59:36,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:59:36,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:59:36,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:59:36,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:59:36,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:59:36,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:59:36,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:59:36,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:59:36,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:59:36,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:59:36,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:59:36,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:59:36,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:59:36,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:59:36,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:59:36,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:59:36,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:59:36,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:59:36,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:59:36,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:59:36,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:59:36,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:59:36,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:59:36,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:59:36,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:59:36,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:59:36,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:59:36,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:59:36,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:59:36,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:59:36,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:59:36,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:59:36,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:59:36,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:59:36,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:59:36,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:59:36,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:59:36,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:59:36,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:59:36,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:59:36,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:59:36,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:59:36,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:59:36,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:59:36,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:59:36,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:59:36,518 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:59:36,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:59:36,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:59:36,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:59:36,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:59:36,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:59:36,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:59:36,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:59:36,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:59:36,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:59:36,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:59:36,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:59:36,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:59:36,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:59:36,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:59:36,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:59:36,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:59:36,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:59:36,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:59:36,522 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:59:36,522 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:59:36,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:59:36,522 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2022-11-02 20:59:36,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:59:36,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:59:36,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:59:36,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:59:36,853 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:59:36,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-02 20:59:36,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/data/e9c11a15f/e069d267e8164e3fae56d1b6f468f811/FLAG0a6845b40 [2022-11-02 20:59:38,269 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:59:38,271 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-02 20:59:38,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/data/e9c11a15f/e069d267e8164e3fae56d1b6f468f811/FLAG0a6845b40 [2022-11-02 20:59:38,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/data/e9c11a15f/e069d267e8164e3fae56d1b6f468f811 [2022-11-02 20:59:38,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:59:38,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:59:38,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:38,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:59:38,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:59:38,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:38" (1/1) ... [2022-11-02 20:59:38,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f859290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:38, skipping insertion in model container [2022-11-02 20:59:38,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:38" (1/1) ... [2022-11-02 20:59:38,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:59:38,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:59:43,343 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-11-02 20:59:43,346 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-11-02 20:59:43,349 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-11-02 20:59:43,350 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-11-02 20:59:43,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:59:43,456 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:59:43,949 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-11-02 20:59:43,950 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-11-02 20:59:43,951 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-11-02 20:59:43,952 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_22093c2c-a29e-4f7e-945b-67510e01ec8d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-11-02 20:59:43,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:59:44,316 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:59:44,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44 WrapperNode [2022-11-02 20:59:44,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:44,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:59:44,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:59:44,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:59:44,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:44,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:44,831 INFO L138 Inliner]: procedures = 537, calls = 2748, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 6333 [2022-11-02 20:59:44,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:59:44,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:59:44,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:59:44,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:59:44,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:44,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:44,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:44,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:45,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:45,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:45,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:45,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:45,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:59:45,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:59:45,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:59:45,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:59:45,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (1/1) ... [2022-11-02 20:59:45,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:59:45,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:45,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:45,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22093c2c-a29e-4f7e-945b-67510e01ec8d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:59:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 20:59:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 20:59:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2022-11-02 20:59:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2022-11-02 20:59:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:59:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:59:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2022-11-02 20:59:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2022-11-02 20:59:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:59:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:59:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:59:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:59:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-02 20:59:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-02 20:59:45,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:59:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:59:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-02 20:59:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-02 20:59:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:59:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-02 20:59:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:59:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:59:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:59:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:59:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-02 20:59:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-02 20:59:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-02 20:59:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-02 20:59:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2022-11-02 20:59:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2022-11-02 20:59:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-02 20:59:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-02 20:59:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:59:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:59:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2022-11-02 20:59:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2022-11-02 20:59:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2022-11-02 20:59:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2022-11-02 20:59:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2022-11-02 20:59:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2022-11-02 20:59:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:59:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:59:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:59:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:59:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:59:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:59:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-02 20:59:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-02 20:59:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:59:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:59:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:59:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:59:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:59:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:59:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:59:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-02 20:59:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-02 20:59:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-02 20:59:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-02 20:59:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2022-11-02 20:59:45,745 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2022-11-02 20:59:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-02 20:59:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-02 20:59:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2022-11-02 20:59:45,746 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2022-11-02 20:59:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:59:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:59:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2022-11-02 20:59:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2022-11-02 20:59:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:59:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:59:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:59:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:59:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:59:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2022-11-02 20:59:45,749 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2022-11-02 20:59:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2022-11-02 20:59:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2022-11-02 20:59:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:59:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:59:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2022-11-02 20:59:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2022-11-02 20:59:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:59:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:59:45,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:59:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:59:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2022-11-02 20:59:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2022-11-02 20:59:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:59:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:59:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2022-11-02 20:59:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2022-11-02 20:59:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:59:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:59:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:59:45,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:59:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-02 20:59:45,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-02 20:59:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:59:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:59:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:59:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:59:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2022-11-02 20:59:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2022-11-02 20:59:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2022-11-02 20:59:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2022-11-02 20:59:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:59:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-02 20:59:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:59:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:59:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:59:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:59:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:59:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-02 20:59:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-02 20:59:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:59:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 20:59:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 20:59:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:59:45,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:59:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:59:45,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:59:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:59:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:59:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2022-11-02 20:59:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2022-11-02 20:59:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2022-11-02 20:59:45,776 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2022-11-02 20:59:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:59:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:59:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2022-11-02 20:59:45,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2022-11-02 20:59:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2022-11-02 20:59:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2022-11-02 20:59:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 20:59:45,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 20:59:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:59:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:59:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2022-11-02 20:59:45,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2022-11-02 20:59:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:59:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:59:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 20:59:45,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 20:59:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2022-11-02 20:59:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2022-11-02 20:59:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2022-11-02 20:59:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2022-11-02 20:59:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:59:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:59:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:59:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:59:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2022-11-02 20:59:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2022-11-02 20:59:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:59:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:59:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:59:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:59:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:59:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:59:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:59:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-02 20:59:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:59:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:59:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:59:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:59:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:59:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2022-11-02 20:59:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2022-11-02 20:59:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2022-11-02 20:59:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2022-11-02 20:59:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-02 20:59:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-02 20:59:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:59:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:59:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:59:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:59:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2022-11-02 20:59:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2022-11-02 20:59:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:59:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:59:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2022-11-02 20:59:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2022-11-02 20:59:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-02 20:59:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-02 20:59:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:59:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:59:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:59:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-02 20:59:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-02 20:59:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:59:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:59:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:59:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-02 20:59:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-02 20:59:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2022-11-02 20:59:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2022-11-02 20:59:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:59:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2022-11-02 20:59:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2022-11-02 20:59:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:59:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:59:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:59:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:59:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:59:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:59:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2022-11-02 20:59:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2022-11-02 20:59:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:59:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:59:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:59:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:59:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-11-02 20:59:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-11-02 20:59:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:59:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:59:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:59:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:59:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:59:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:59:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:59:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2022-11-02 20:59:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2022-11-02 20:59:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2022-11-02 20:59:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2022-11-02 20:59:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:59:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:59:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2022-11-02 20:59:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2022-11-02 20:59:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 20:59:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 20:59:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2022-11-02 20:59:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2022-11-02 20:59:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2022-11-02 20:59:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2022-11-02 20:59:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 20:59:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 20:59:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-02 20:59:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-02 20:59:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2022-11-02 20:59:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2022-11-02 20:59:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:59:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:59:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2022-11-02 20:59:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2022-11-02 20:59:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-02 20:59:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-02 20:59:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:59:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:59:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:59:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:59:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:59:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:59:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2022-11-02 20:59:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2022-11-02 20:59:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:59:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:59:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:59:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 20:59:47,192 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:59:47,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:59:47,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:59:58,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:59:58,747 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:59:58,778 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:59:58,779 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-02 20:59:58,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:58 BoogieIcfgContainer [2022-11-02 20:59:58,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:59:58,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:59:58,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:59:58,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:59:58,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:59:38" (1/3) ... [2022-11-02 20:59:58,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18af5438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:58, skipping insertion in model container [2022-11-02 20:59:58,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:44" (2/3) ... [2022-11-02 20:59:58,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18af5438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:58, skipping insertion in model container [2022-11-02 20:59:58,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:58" (3/3) ... [2022-11-02 20:59:58,798 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-11-02 20:59:58,823 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:59:58,824 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-02 20:59:58,979 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:59:58,987 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@537275b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:59:58,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-02 20:59:59,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 2335 states, 1589 states have (on average 1.2542479546884833) internal successors, (1993), 1611 states have internal predecessors, (1993), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) [2022-11-02 20:59:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-02 20:59:59,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:59:59,041 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:59,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 20:59:59,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:59,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1128025312, now seen corresponding path program 1 times [2022-11-02 20:59:59,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:59,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012404412] [2022-11-02 20:59:59,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:59,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:59:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:00:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:00:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:00:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:00:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:00:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:00:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:00:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:00:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:00:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:00:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:00:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:00:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:00:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 21:00:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-02 21:00:00,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:00,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012404412] [2022-11-02 21:00:00,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012404412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:00,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:00,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:00:00,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287965248] [2022-11-02 21:00:00,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:00,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:00:00,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:00,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:00:00,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:00:00,529 INFO L87 Difference]: Start difference. First operand has 2335 states, 1589 states have (on average 1.2542479546884833) internal successors, (1993), 1611 states have internal predecessors, (1993), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-02 21:00:10,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:10,023 INFO L93 Difference]: Finished difference Result 7062 states and 9932 transitions. [2022-11-02 21:00:10,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:00:10,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 167 [2022-11-02 21:00:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:10,098 INFO L225 Difference]: With dead ends: 7062 [2022-11-02 21:00:10,098 INFO L226 Difference]: Without dead ends: 4746 [2022-11-02 21:00:10,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:00:10,129 INFO L413 NwaCegarLoop]: 3415 mSDtfsCounter, 4125 mSDsluCounter, 3166 mSDsCounter, 0 mSdLazyCounter, 2513 mSolverCounterSat, 1814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4698 SdHoareTripleChecker+Valid, 6581 SdHoareTripleChecker+Invalid, 4327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1814 IncrementalHoareTripleChecker+Valid, 2513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:10,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4698 Valid, 6581 Invalid, 4327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1814 Valid, 2513 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-02 21:00:10,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4746 states. [2022-11-02 21:00:10,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4746 to 4498. [2022-11-02 21:00:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4498 states, 3063 states have (on average 1.2396343454129939) internal successors, (3797), 3105 states have internal predecessors, (3797), 1197 states have call successors, (1197), 236 states have call predecessors, (1197), 235 states have return successors, (1194), 1190 states have call predecessors, (1194), 1194 states have call successors, (1194) [2022-11-02 21:00:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4498 states to 4498 states and 6188 transitions. [2022-11-02 21:00:10,642 INFO L78 Accepts]: Start accepts. Automaton has 4498 states and 6188 transitions. Word has length 167 [2022-11-02 21:00:10,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:10,654 INFO L495 AbstractCegarLoop]: Abstraction has 4498 states and 6188 transitions. [2022-11-02 21:00:10,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-02 21:00:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4498 states and 6188 transitions. [2022-11-02 21:00:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-02 21:00:10,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:10,668 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:10,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:00:10,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:00:10,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:10,671 INFO L85 PathProgramCache]: Analyzing trace with hash 75480426, now seen corresponding path program 1 times [2022-11-02 21:00:10,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:10,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931679890] [2022-11-02 21:00:10,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:10,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:00:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:00:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:00:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:00:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:00:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:00:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:00:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:00:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:00:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:00:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:00:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:00:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:00:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:00:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 21:00:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-02 21:00:11,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:11,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931679890] [2022-11-02 21:00:11,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931679890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:11,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:11,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:00:11,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160452523] [2022-11-02 21:00:11,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:11,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:00:11,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:11,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:00:11,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:00:11,366 INFO L87 Difference]: Start difference. First operand 4498 states and 6188 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-02 21:00:19,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:19,779 INFO L93 Difference]: Finished difference Result 13698 states and 18957 transitions. [2022-11-02 21:00:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:00:19,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2022-11-02 21:00:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:19,852 INFO L225 Difference]: With dead ends: 13698 [2022-11-02 21:00:19,853 INFO L226 Difference]: Without dead ends: 9231 [2022-11-02 21:00:19,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:00:19,874 INFO L413 NwaCegarLoop]: 3389 mSDtfsCounter, 4083 mSDsluCounter, 3127 mSDsCounter, 0 mSdLazyCounter, 2461 mSolverCounterSat, 1846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 6516 SdHoareTripleChecker+Invalid, 4307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 2461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:19,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4629 Valid, 6516 Invalid, 4307 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1846 Valid, 2461 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-11-02 21:00:19,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9231 states. [2022-11-02 21:00:20,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9231 to 8721. [2022-11-02 21:00:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8721 states, 5971 states have (on average 1.2440127281862334) internal successors, (7428), 6063 states have internal predecessors, (7428), 2286 states have call successors, (2286), 468 states have call predecessors, (2286), 461 states have return successors, (2307), 2251 states have call predecessors, (2307), 2283 states have call successors, (2307) [2022-11-02 21:00:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8721 states to 8721 states and 12021 transitions. [2022-11-02 21:00:20,604 INFO L78 Accepts]: Start accepts. Automaton has 8721 states and 12021 transitions. Word has length 171 [2022-11-02 21:00:20,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:20,606 INFO L495 AbstractCegarLoop]: Abstraction has 8721 states and 12021 transitions. [2022-11-02 21:00:20,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-02 21:00:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 8721 states and 12021 transitions. [2022-11-02 21:00:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-02 21:00:20,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:20,620 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:20,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:00:20,620 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:00:20,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:20,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1694760687, now seen corresponding path program 1 times [2022-11-02 21:00:20,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:20,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154898593] [2022-11-02 21:00:20,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:00:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:00:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:00:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:00:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:00:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:00:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:00:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:00:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:00:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:00:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:00:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:00:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:00:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:00:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-02 21:00:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:00:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 21:00:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-02 21:00:21,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:21,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154898593] [2022-11-02 21:00:21,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154898593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:21,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:21,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:00:21,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955399209] [2022-11-02 21:00:21,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:21,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:00:21,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:21,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:00:21,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:00:21,152 INFO L87 Difference]: Start difference. First operand 8721 states and 12021 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 21:00:29,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:29,475 INFO L93 Difference]: Finished difference Result 26881 states and 37286 transitions. [2022-11-02 21:00:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:00:29,476 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 184 [2022-11-02 21:00:29,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:29,606 INFO L225 Difference]: With dead ends: 26881 [2022-11-02 21:00:29,607 INFO L226 Difference]: Without dead ends: 18191 [2022-11-02 21:00:29,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:00:29,661 INFO L413 NwaCegarLoop]: 3419 mSDtfsCounter, 4101 mSDsluCounter, 3169 mSDsCounter, 0 mSdLazyCounter, 2506 mSolverCounterSat, 1870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4663 SdHoareTripleChecker+Valid, 6588 SdHoareTripleChecker+Invalid, 4376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1870 IncrementalHoareTripleChecker+Valid, 2506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:29,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4663 Valid, 6588 Invalid, 4376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1870 Valid, 2506 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-02 21:00:29,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18191 states. [2022-11-02 21:00:30,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18191 to 17209. [2022-11-02 21:00:30,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17209 states, 11793 states have (on average 1.2446366488594929) internal successors, (14678), 11985 states have internal predecessors, (14678), 4502 states have call successors, (4502), 930 states have call predecessors, (4502), 911 states have return successors, (4597), 4413 states have call predecessors, (4597), 4499 states have call successors, (4597) [2022-11-02 21:00:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17209 states to 17209 states and 23777 transitions. [2022-11-02 21:00:30,875 INFO L78 Accepts]: Start accepts. Automaton has 17209 states and 23777 transitions. Word has length 184 [2022-11-02 21:00:30,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:30,877 INFO L495 AbstractCegarLoop]: Abstraction has 17209 states and 23777 transitions. [2022-11-02 21:00:30,877 INFO L496 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 21:00:30,877 INFO L276 IsEmpty]: Start isEmpty. Operand 17209 states and 23777 transitions. [2022-11-02 21:00:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-02 21:00:30,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:30,884 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:30,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:00:30,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:00:30,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2004995607, now seen corresponding path program 1 times [2022-11-02 21:00:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:30,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539357563] [2022-11-02 21:00:30,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:00:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:00:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:00:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:00:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:00:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:00:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:00:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:00:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:00:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:00:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:00:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:00:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:00:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:00:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-02 21:00:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-02 21:00:31,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:31,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539357563] [2022-11-02 21:00:31,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539357563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:31,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:31,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:00:31,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159401602] [2022-11-02 21:00:31,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:31,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:00:31,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:31,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:00:31,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:00:31,422 INFO L87 Difference]: Start difference. First operand 17209 states and 23777 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-02 21:00:34,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:00:40,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:40,842 INFO L93 Difference]: Finished difference Result 48063 states and 66340 transitions. [2022-11-02 21:00:40,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:00:40,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 189 [2022-11-02 21:00:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:41,035 INFO L225 Difference]: With dead ends: 48063 [2022-11-02 21:00:41,036 INFO L226 Difference]: Without dead ends: 30885 [2022-11-02 21:00:41,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:00:41,126 INFO L413 NwaCegarLoop]: 3282 mSDtfsCounter, 3388 mSDsluCounter, 3076 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 1724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3847 SdHoareTripleChecker+Valid, 6358 SdHoareTripleChecker+Invalid, 4201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1724 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:41,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3847 Valid, 6358 Invalid, 4201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1724 Valid, 2477 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-02 21:00:41,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30885 states. [2022-11-02 21:00:43,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30885 to 29445. [2022-11-02 21:00:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29445 states, 20005 states have (on average 1.2349912521869533) internal successors, (24706), 20349 states have internal predecessors, (24706), 7722 states have call successors, (7722), 1754 states have call predecessors, (7722), 1715 states have return successors, (7907), 7545 states have call predecessors, (7907), 7719 states have call successors, (7907) [2022-11-02 21:00:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29445 states to 29445 states and 40335 transitions. [2022-11-02 21:00:43,514 INFO L78 Accepts]: Start accepts. Automaton has 29445 states and 40335 transitions. Word has length 189 [2022-11-02 21:00:43,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:43,514 INFO L495 AbstractCegarLoop]: Abstraction has 29445 states and 40335 transitions. [2022-11-02 21:00:43,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-02 21:00:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 29445 states and 40335 transitions. [2022-11-02 21:00:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-02 21:00:43,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:43,522 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2022-11-02 21:00:43,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:00:43,522 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:00:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:43,524 INFO L85 PathProgramCache]: Analyzing trace with hash -35456696, now seen corresponding path program 1 times [2022-11-02 21:00:43,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:43,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038974677] [2022-11-02 21:00:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:43,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:00:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:00:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:00:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:00:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:00:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:00:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:00:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:00:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:00:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:00:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:00:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:00:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:00:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:00:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:00:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:00:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:00:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:00:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:00:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:00:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:00:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-11-02 21:00:44,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:44,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038974677] [2022-11-02 21:00:44,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038974677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:44,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:44,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:00:44,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022434374] [2022-11-02 21:00:44,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:44,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:00:44,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:44,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:00:44,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:00:44,103 INFO L87 Difference]: Start difference. First operand 29445 states and 40335 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 21:00:52,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:52,524 INFO L93 Difference]: Finished difference Result 61066 states and 84001 transitions. [2022-11-02 21:00:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:00:52,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 219 [2022-11-02 21:00:52,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:52,791 INFO L225 Difference]: With dead ends: 61066 [2022-11-02 21:00:52,791 INFO L226 Difference]: Without dead ends: 46122 [2022-11-02 21:00:52,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:00:52,871 INFO L413 NwaCegarLoop]: 5837 mSDtfsCounter, 3290 mSDsluCounter, 4285 mSDsCounter, 0 mSdLazyCounter, 2582 mSolverCounterSat, 1248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3857 SdHoareTripleChecker+Valid, 10122 SdHoareTripleChecker+Invalid, 3830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1248 IncrementalHoareTripleChecker+Valid, 2582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:52,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3857 Valid, 10122 Invalid, 3830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1248 Valid, 2582 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-02 21:00:52,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46122 states. [2022-11-02 21:00:55,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46122 to 44003. [2022-11-02 21:00:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44003 states, 29904 states have (on average 1.2351190476190477) internal successors, (36935), 30411 states have internal predecessors, (36935), 11524 states have call successors, (11524), 2630 states have call predecessors, (11524), 2572 states have return successors, (11803), 11267 states have call predecessors, (11803), 11521 states have call successors, (11803) [2022-11-02 21:00:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44003 states to 44003 states and 60262 transitions. [2022-11-02 21:00:55,634 INFO L78 Accepts]: Start accepts. Automaton has 44003 states and 60262 transitions. Word has length 219 [2022-11-02 21:00:55,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:55,635 INFO L495 AbstractCegarLoop]: Abstraction has 44003 states and 60262 transitions. [2022-11-02 21:00:55,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 21:00:55,636 INFO L276 IsEmpty]: Start isEmpty. Operand 44003 states and 60262 transitions. [2022-11-02 21:00:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-02 21:00:55,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:55,642 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2022-11-02 21:00:55,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:00:55,643 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:00:55,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:55,643 INFO L85 PathProgramCache]: Analyzing trace with hash 387245130, now seen corresponding path program 1 times [2022-11-02 21:00:55,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:55,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265145843] [2022-11-02 21:00:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:00:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:00:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:00:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:00:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:00:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:00:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:00:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:00:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:00:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:00:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:00:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:00:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:00:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:00:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:00:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:00:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:00:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:00:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:00:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:00:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:00:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:57,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:00:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-11-02 21:00:57,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:57,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265145843] [2022-11-02 21:00:57,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265145843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:57,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:57,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:00:57,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083517220] [2022-11-02 21:00:57,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:57,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:00:57,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:57,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:00:57,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:00:57,287 INFO L87 Difference]: Start difference. First operand 44003 states and 60262 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 21:01:05,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:05,111 INFO L93 Difference]: Finished difference Result 46837 states and 64265 transitions. [2022-11-02 21:01:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:01:05,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 219 [2022-11-02 21:01:05,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:05,326 INFO L225 Difference]: With dead ends: 46837 [2022-11-02 21:01:05,327 INFO L226 Difference]: Without dead ends: 46835 [2022-11-02 21:01:05,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:01:05,350 INFO L413 NwaCegarLoop]: 2987 mSDtfsCounter, 3333 mSDsluCounter, 5118 mSDsCounter, 0 mSdLazyCounter, 3240 mSolverCounterSat, 1235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3716 SdHoareTripleChecker+Valid, 8105 SdHoareTripleChecker+Invalid, 4475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1235 IncrementalHoareTripleChecker+Valid, 3240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:05,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3716 Valid, 8105 Invalid, 4475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1235 Valid, 3240 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-02 21:01:05,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46835 states. [2022-11-02 21:01:07,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46835 to 44739. [2022-11-02 21:01:07,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44739 states, 30384 states have (on average 1.2336756187467088) internal successors, (37484), 30939 states have internal predecessors, (37484), 11620 states have call successors, (11620), 2790 states have call predecessors, (11620), 2732 states have return successors, (11899), 11363 states have call predecessors, (11899), 11617 states have call successors, (11899) [2022-11-02 21:01:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44739 states to 44739 states and 61003 transitions. [2022-11-02 21:01:08,055 INFO L78 Accepts]: Start accepts. Automaton has 44739 states and 61003 transitions. Word has length 219 [2022-11-02 21:01:08,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:08,056 INFO L495 AbstractCegarLoop]: Abstraction has 44739 states and 61003 transitions. [2022-11-02 21:01:08,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 21:01:08,056 INFO L276 IsEmpty]: Start isEmpty. Operand 44739 states and 61003 transitions. [2022-11-02 21:01:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-02 21:01:08,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:08,064 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:08,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:01:08,064 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:01:08,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:08,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1206012490, now seen corresponding path program 1 times [2022-11-02 21:01:08,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:08,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024984176] [2022-11-02 21:01:08,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:08,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:01:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:01:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:01:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:01:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:01:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:01:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:01:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:01:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:01:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:01:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:01:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:01:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:01:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:01:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:01:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:01:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:01:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:01:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:01:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:01:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:01:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:01:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-11-02 21:01:09,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:01:09,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024984176] [2022-11-02 21:01:09,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024984176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:09,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:09,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:01:09,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896946724] [2022-11-02 21:01:09,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:09,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:01:09,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:01:09,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:01:09,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:01:09,393 INFO L87 Difference]: Start difference. First operand 44739 states and 61003 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 21:01:16,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:16,616 INFO L93 Difference]: Finished difference Result 46839 states and 64267 transitions. [2022-11-02 21:01:16,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:01:16,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 224 [2022-11-02 21:01:16,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:16,838 INFO L225 Difference]: With dead ends: 46839 [2022-11-02 21:01:16,838 INFO L226 Difference]: Without dead ends: 46837 [2022-11-02 21:01:16,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:01:16,866 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 3322 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 8068 SdHoareTripleChecker+Invalid, 4405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1243 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:16,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 8068 Invalid, 4405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1243 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-02 21:01:16,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46837 states. [2022-11-02 21:01:19,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46837 to 44743. [2022-11-02 21:01:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44743 states, 30387 states have (on average 1.2336525487873105) internal successors, (37487), 30942 states have internal predecessors, (37487), 11620 states have call successors, (11620), 2791 states have call predecessors, (11620), 2733 states have return successors, (11899), 11363 states have call predecessors, (11899), 11617 states have call successors, (11899) [2022-11-02 21:01:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44743 states to 44743 states and 61006 transitions. [2022-11-02 21:01:19,781 INFO L78 Accepts]: Start accepts. Automaton has 44743 states and 61006 transitions. Word has length 224 [2022-11-02 21:01:19,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:19,782 INFO L495 AbstractCegarLoop]: Abstraction has 44743 states and 61006 transitions. [2022-11-02 21:01:19,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-02 21:01:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 44743 states and 61006 transitions. [2022-11-02 21:01:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-02 21:01:19,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:19,790 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:19,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:01:19,790 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:01:19,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:19,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1923579839, now seen corresponding path program 1 times [2022-11-02 21:01:19,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:19,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521904216] [2022-11-02 21:01:19,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:19,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:01:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:01:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:01:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:01:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:01:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:01:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:01:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:01:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:01:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:01:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:01:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:01:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:01:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:01:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-02 21:01:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 21:01:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-02 21:01:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 21:01:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 21:01:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 21:01:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2022-11-02 21:01:20,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:01:20,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521904216] [2022-11-02 21:01:20,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521904216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:20,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:20,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:01:20,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190071660] [2022-11-02 21:01:20,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:20,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:01:20,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:01:20,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:01:20,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:01:20,830 INFO L87 Difference]: Start difference. First operand 44743 states and 61006 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-02 21:01:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:29,943 INFO L93 Difference]: Finished difference Result 90312 states and 123299 transitions. [2022-11-02 21:01:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:01:29,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 222 [2022-11-02 21:01:29,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:30,341 INFO L225 Difference]: With dead ends: 90312 [2022-11-02 21:01:30,342 INFO L226 Difference]: Without dead ends: 45600 [2022-11-02 21:01:30,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:01:30,501 INFO L413 NwaCegarLoop]: 4417 mSDtfsCounter, 2585 mSDsluCounter, 3580 mSDsCounter, 0 mSdLazyCounter, 2417 mSolverCounterSat, 1230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3007 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 3647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1230 IncrementalHoareTripleChecker+Valid, 2417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:30,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3007 Valid, 7997 Invalid, 3647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1230 Valid, 2417 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-02 21:01:30,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45600 states. [2022-11-02 21:01:32,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45600 to 42813. [2022-11-02 21:01:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42813 states, 29310 states have (on average 1.2310133060388946) internal successors, (36081), 29826 states have internal predecessors, (36081), 10755 states have call successors, (10755), 2792 states have call predecessors, (10755), 2745 states have return successors, (10948), 10526 states have call predecessors, (10948), 10752 states have call successors, (10948) [2022-11-02 21:01:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42813 states to 42813 states and 57784 transitions. [2022-11-02 21:01:33,347 INFO L78 Accepts]: Start accepts. Automaton has 42813 states and 57784 transitions. Word has length 222 [2022-11-02 21:01:33,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:33,348 INFO L495 AbstractCegarLoop]: Abstraction has 42813 states and 57784 transitions. [2022-11-02 21:01:33,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-02 21:01:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 42813 states and 57784 transitions. [2022-11-02 21:01:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-02 21:01:33,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:33,353 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:33,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:01:33,354 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:01:33,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:33,355 INFO L85 PathProgramCache]: Analyzing trace with hash -648544374, now seen corresponding path program 1 times [2022-11-02 21:01:33,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:33,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175833330] [2022-11-02 21:01:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:33,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:01:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:01:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:33,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:01:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:01:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:01:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:01:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:01:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:01:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:01:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:01:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:01:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:01:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:01:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:01:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:01:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:01:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:01:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:01:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:01:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:01:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:01:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:01:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 21:01:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2022-11-02 21:01:34,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:01:34,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175833330] [2022-11-02 21:01:34,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175833330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:34,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:34,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:01:34,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561859819] [2022-11-02 21:01:34,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:34,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:01:34,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:01:34,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:01:34,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:01:34,359 INFO L87 Difference]: Start difference. First operand 42813 states and 57784 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-02 21:01:38,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:01:42,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:42,882 INFO L93 Difference]: Finished difference Result 45563 states and 62018 transitions. [2022-11-02 21:01:42,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:01:42,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 229 [2022-11-02 21:01:42,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:43,025 INFO L225 Difference]: With dead ends: 45563 [2022-11-02 21:01:43,025 INFO L226 Difference]: Without dead ends: 45561 [2022-11-02 21:01:43,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:01:43,042 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 3322 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 8068 SdHoareTripleChecker+Invalid, 4404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1242 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:43,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 8068 Invalid, 4404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1242 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-02 21:01:43,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45561 states. [2022-11-02 21:01:45,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45561 to 42817. [2022-11-02 21:01:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42817 states, 29313 states have (on average 1.2309896632893256) internal successors, (36084), 29829 states have internal predecessors, (36084), 10755 states have call successors, (10755), 2793 states have call predecessors, (10755), 2746 states have return successors, (10948), 10526 states have call predecessors, (10948), 10752 states have call successors, (10948) [2022-11-02 21:01:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42817 states to 42817 states and 57787 transitions. [2022-11-02 21:01:45,790 INFO L78 Accepts]: Start accepts. Automaton has 42817 states and 57787 transitions. Word has length 229 [2022-11-02 21:01:45,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:45,791 INFO L495 AbstractCegarLoop]: Abstraction has 42817 states and 57787 transitions. [2022-11-02 21:01:45,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-02 21:01:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 42817 states and 57787 transitions. [2022-11-02 21:01:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-02 21:01:45,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:45,797 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:45,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:01:45,797 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:01:45,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:45,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1745080822, now seen corresponding path program 1 times [2022-11-02 21:01:45,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:45,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27402655] [2022-11-02 21:01:45,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:45,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:01:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:01:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:01:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:01:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:01:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:01:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:01:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:01:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:01:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:01:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:01:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:01:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:01:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:01:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:01:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:01:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:01:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:01:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:01:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:01:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:01:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:01:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 21:01:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 21:01:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2022-11-02 21:01:46,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:01:46,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27402655] [2022-11-02 21:01:46,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27402655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:46,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:46,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:01:46,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780787482] [2022-11-02 21:01:46,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:46,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:01:46,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:01:46,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:01:46,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:01:46,760 INFO L87 Difference]: Start difference. First operand 42817 states and 57787 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-02 21:01:54,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:54,535 INFO L93 Difference]: Finished difference Result 45567 states and 62021 transitions. [2022-11-02 21:01:54,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:01:54,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 234 [2022-11-02 21:01:54,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:01:54,677 INFO L225 Difference]: With dead ends: 45567 [2022-11-02 21:01:54,677 INFO L226 Difference]: Without dead ends: 45565 [2022-11-02 21:01:54,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:01:54,697 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 3322 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 8068 SdHoareTripleChecker+Invalid, 4403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1241 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:01:54,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 8068 Invalid, 4403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1241 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-02 21:01:54,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45565 states. [2022-11-02 21:01:56,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45565 to 42821. [2022-11-02 21:01:56,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42821 states, 29316 states have (on average 1.2309660253786328) internal successors, (36087), 29832 states have internal predecessors, (36087), 10755 states have call successors, (10755), 2794 states have call predecessors, (10755), 2747 states have return successors, (10948), 10526 states have call predecessors, (10948), 10752 states have call successors, (10948) [2022-11-02 21:01:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42821 states to 42821 states and 57790 transitions. [2022-11-02 21:01:57,215 INFO L78 Accepts]: Start accepts. Automaton has 42821 states and 57790 transitions. Word has length 234 [2022-11-02 21:01:57,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:01:57,216 INFO L495 AbstractCegarLoop]: Abstraction has 42821 states and 57790 transitions. [2022-11-02 21:01:57,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-02 21:01:57,216 INFO L276 IsEmpty]: Start isEmpty. Operand 42821 states and 57790 transitions. [2022-11-02 21:01:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-02 21:01:57,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:01:57,222 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 5, 4, 4, 4, 4, 4, 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] [2022-11-02 21:01:57,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:01:57,223 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:01:57,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:57,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1582545610, now seen corresponding path program 1 times [2022-11-02 21:01:57,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:57,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57705764] [2022-11-02 21:01:57,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:57,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:01:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:01:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:01:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:01:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:01:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:01:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:01:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:01:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:01:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:01:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:01:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:01:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:01:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:01:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:01:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:01:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:01:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:01:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:01:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:01:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:01:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:01:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:01:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 21:01:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 21:01:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-02 21:01:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:58,157 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2022-11-02 21:01:58,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:01:58,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57705764] [2022-11-02 21:01:58,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57705764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:58,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:58,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:01:58,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187330868] [2022-11-02 21:01:58,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:58,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:01:58,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:01:58,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:01:58,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:01:58,160 INFO L87 Difference]: Start difference. First operand 42821 states and 57790 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-02 21:02:05,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:02:05,017 INFO L93 Difference]: Finished difference Result 45571 states and 62024 transitions. [2022-11-02 21:02:05,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:02:05,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 239 [2022-11-02 21:02:05,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:02:05,154 INFO L225 Difference]: With dead ends: 45571 [2022-11-02 21:02:05,154 INFO L226 Difference]: Without dead ends: 45569 [2022-11-02 21:02:05,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:02:05,172 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 3322 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 8068 SdHoareTripleChecker+Invalid, 4402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:02:05,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 8068 Invalid, 4402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1240 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-02 21:02:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45569 states. [2022-11-02 21:02:07,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45569 to 42825. [2022-11-02 21:02:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42825 states, 29319 states have (on average 1.230942392305331) internal successors, (36090), 29835 states have internal predecessors, (36090), 10755 states have call successors, (10755), 2795 states have call predecessors, (10755), 2748 states have return successors, (10948), 10526 states have call predecessors, (10948), 10752 states have call successors, (10948) [2022-11-02 21:02:07,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42825 states to 42825 states and 57793 transitions. [2022-11-02 21:02:07,491 INFO L78 Accepts]: Start accepts. Automaton has 42825 states and 57793 transitions. Word has length 239 [2022-11-02 21:02:07,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:02:07,491 INFO L495 AbstractCegarLoop]: Abstraction has 42825 states and 57793 transitions. [2022-11-02 21:02:07,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-02 21:02:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 42825 states and 57793 transitions. [2022-11-02 21:02:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-02 21:02:07,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:07,497 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:02:07,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:02:07,498 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:02:07,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash 284125229, now seen corresponding path program 1 times [2022-11-02 21:02:07,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:07,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525355731] [2022-11-02 21:02:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:02:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:02:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:02:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:02:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:02:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:02:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:02:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:02:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:02:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:02:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:02:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:02:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:02:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:02:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:02:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:02:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:02:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:02:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:02:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:02:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 21:02:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 21:02:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 21:02:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 21:02:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-02 21:02:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-02 21:02:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-02 21:02:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 21:02:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-11-02 21:02:08,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:02:08,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525355731] [2022-11-02 21:02:08,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525355731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:02:08,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:02:08,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:02:08,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440645324] [2022-11-02 21:02:08,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:02:08,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:02:08,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:02:08,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:02:08,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:02:08,377 INFO L87 Difference]: Start difference. First operand 42825 states and 57793 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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) [2022-11-02 21:02:12,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:02:17,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:02:17,188 INFO L93 Difference]: Finished difference Result 45575 states and 62027 transitions. [2022-11-02 21:02:17,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:02:17,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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) Word has length 262 [2022-11-02 21:02:17,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:02:17,308 INFO L225 Difference]: With dead ends: 45575 [2022-11-02 21:02:17,308 INFO L226 Difference]: Without dead ends: 45573 [2022-11-02 21:02:17,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:02:17,322 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 3313 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3688 SdHoareTripleChecker+Valid, 8068 SdHoareTripleChecker+Invalid, 4401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1239 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:02:17,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3688 Valid, 8068 Invalid, 4401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1239 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-02 21:02:17,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45573 states. [2022-11-02 21:02:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45573 to 42829. [2022-11-02 21:02:19,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42829 states, 29322 states have (on average 1.2309187640679353) internal successors, (36093), 29838 states have internal predecessors, (36093), 10755 states have call successors, (10755), 2796 states have call predecessors, (10755), 2749 states have return successors, (10948), 10526 states have call predecessors, (10948), 10752 states have call successors, (10948) [2022-11-02 21:02:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42829 states to 42829 states and 57796 transitions. [2022-11-02 21:02:19,703 INFO L78 Accepts]: Start accepts. Automaton has 42829 states and 57796 transitions. Word has length 262 [2022-11-02 21:02:19,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:02:19,703 INFO L495 AbstractCegarLoop]: Abstraction has 42829 states and 57796 transitions. [2022-11-02 21:02:19,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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) [2022-11-02 21:02:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 42829 states and 57796 transitions. [2022-11-02 21:02:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-02 21:02:19,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:19,709 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 7, 6, 6, 4, 4, 4, 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] [2022-11-02 21:02:19,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 21:02:19,710 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:02:19,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:19,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1883236854, now seen corresponding path program 1 times [2022-11-02 21:02:19,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:19,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338615758] [2022-11-02 21:02:19,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:02:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:02:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:02:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:02:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:02:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:02:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:02:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:02:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:02:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:02:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:02:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:02:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:02:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:02:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:02:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:02:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:02:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:02:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:02:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:02:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:02:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:02:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 21:02:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 21:02:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-02 21:02:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 21:02:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 21:02:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-11-02 21:02:20,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:02:20,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338615758] [2022-11-02 21:02:20,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338615758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:02:20,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:02:20,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:02:20,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853913108] [2022-11-02 21:02:20,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:02:20,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:02:20,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:02:20,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:02:20,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:02:20,688 INFO L87 Difference]: Start difference. First operand 42829 states and 57796 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-02 21:02:24,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:02:29,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:02:29,388 INFO L93 Difference]: Finished difference Result 45579 states and 62030 transitions. [2022-11-02 21:02:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:02:29,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 249 [2022-11-02 21:02:29,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:02:29,549 INFO L225 Difference]: With dead ends: 45579 [2022-11-02 21:02:29,549 INFO L226 Difference]: Without dead ends: 45577 [2022-11-02 21:02:29,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:02:29,572 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 3322 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 8068 SdHoareTripleChecker+Invalid, 4400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1238 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:02:29,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 8068 Invalid, 4400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1238 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-02 21:02:29,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45577 states. [2022-11-02 21:02:32,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45577 to 42833. [2022-11-02 21:02:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42833 states, 29325 states have (on average 1.2308951406649615) internal successors, (36096), 29841 states have internal predecessors, (36096), 10755 states have call successors, (10755), 2797 states have call predecessors, (10755), 2750 states have return successors, (10948), 10526 states have call predecessors, (10948), 10752 states have call successors, (10948) [2022-11-02 21:02:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42833 states to 42833 states and 57799 transitions. [2022-11-02 21:02:32,283 INFO L78 Accepts]: Start accepts. Automaton has 42833 states and 57799 transitions. Word has length 249 [2022-11-02 21:02:32,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:02:32,283 INFO L495 AbstractCegarLoop]: Abstraction has 42833 states and 57799 transitions. [2022-11-02 21:02:32,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-02 21:02:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 42833 states and 57799 transitions. [2022-11-02 21:02:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-02 21:02:32,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:32,290 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 8, 7, 7, 4, 4, 4, 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] [2022-11-02 21:02:32,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 21:02:32,290 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:02:32,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:32,291 INFO L85 PathProgramCache]: Analyzing trace with hash -669373834, now seen corresponding path program 1 times [2022-11-02 21:02:32,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:32,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324034123] [2022-11-02 21:02:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:32,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:02:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:02:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:02:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:02:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:02:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:02:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:02:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:02:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:02:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:02:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:02:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:02:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:02:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:02:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:02:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:02:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:02:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:02:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:02:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:02:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 21:02:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 21:02:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 21:02:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 21:02:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-02 21:02:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 21:02:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-02 21:02:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 21:02:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-02 21:02:33,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:02:33,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324034123] [2022-11-02 21:02:33,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324034123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:02:33,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:02:33,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:02:33,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708280715] [2022-11-02 21:02:33,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:02:33,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:02:33,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:02:33,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:02:33,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:02:33,079 INFO L87 Difference]: Start difference. First operand 42833 states and 57799 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-02 21:02:37,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:02:42,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:02:42,369 INFO L93 Difference]: Finished difference Result 45583 states and 62033 transitions. [2022-11-02 21:02:42,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:02:42,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) Word has length 254 [2022-11-02 21:02:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:02:42,504 INFO L225 Difference]: With dead ends: 45583 [2022-11-02 21:02:42,504 INFO L226 Difference]: Without dead ends: 45581 [2022-11-02 21:02:42,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:02:42,518 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 3322 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 8068 SdHoareTripleChecker+Invalid, 4399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1237 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:02:42,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 8068 Invalid, 4399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1237 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-02 21:02:42,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45581 states. [2022-11-02 21:02:45,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45581 to 42837. [2022-11-02 21:02:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42837 states, 29328 states have (on average 1.2308715220949265) internal successors, (36099), 29844 states have internal predecessors, (36099), 10755 states have call successors, (10755), 2798 states have call predecessors, (10755), 2751 states have return successors, (10948), 10526 states have call predecessors, (10948), 10752 states have call successors, (10948) [2022-11-02 21:02:45,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42837 states to 42837 states and 57802 transitions. [2022-11-02 21:02:45,480 INFO L78 Accepts]: Start accepts. Automaton has 42837 states and 57802 transitions. Word has length 254 [2022-11-02 21:02:45,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:02:45,481 INFO L495 AbstractCegarLoop]: Abstraction has 42837 states and 57802 transitions. [2022-11-02 21:02:45,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-02 21:02:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 42837 states and 57802 transitions. [2022-11-02 21:02:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-02 21:02:45,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:02:45,486 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:02:45,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 21:02:45,487 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-02 21:02:45,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:02:45,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1826428301, now seen corresponding path program 1 times [2022-11-02 21:02:45,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:02:45,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548495846] [2022-11-02 21:02:45,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:02:45,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:02:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:02:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:02:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:02:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:02:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 21:02:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:02:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:02:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 21:02:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 21:02:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 21:02:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:02:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 21:02:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 21:02:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 21:02:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 21:02:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 21:02:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 21:02:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 21:02:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:02:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 21:02:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-02 21:02:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 21:02:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 21:02:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-02 21:02:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 21:02:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-02 21:02:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-02 21:02:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-02 21:02:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 21:02:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-02 21:02:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 21:02:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 21:02:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:02:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2022-11-02 21:02:46,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:02:46,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548495846] [2022-11-02 21:02:46,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548495846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:02:46,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:02:46,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:02:46,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419901529] [2022-11-02 21:02:46,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:02:46,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:02:46,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:02:46,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:02:46,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:02:46,428 INFO L87 Difference]: Start difference. First operand 42837 states and 57802 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)