./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 1b1b5191f5abeb283778652e64649fc081867a41ba9a2c202bdf0434abd3ccc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 18:38:34,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 18:38:35,059 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-22 18:38:35,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 18:38:35,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 18:38:35,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 18:38:35,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 18:38:35,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 18:38:35,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 18:38:35,095 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 18:38:35,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 18:38:35,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 18:38:35,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 18:38:35,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 18:38:35,098 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 18:38:35,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 18:38:35,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 18:38:35,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 18:38:35,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 18:38:35,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 18:38:35,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 18:38:35,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 18:38:35,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 18:38:35,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 18:38:35,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 18:38:35,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 18:38:35,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 18:38:35,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 18:38:35,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 18:38:35,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 18:38:35,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 18:38:35,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 18:38:35,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 18:38:35,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 18:38:35,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 18:38:35,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 18:38:35,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 18:38:35,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 18:38:35,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 18:38:35,104 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b1b5191f5abeb283778652e64649fc081867a41ba9a2c202bdf0434abd3ccc0 [2023-11-22 18:38:35,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 18:38:35,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 18:38:35,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 18:38:35,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 18:38:35,362 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 18:38:35,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i [2023-11-22 18:38:36,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 18:38:36,818 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 18:38:36,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i [2023-11-22 18:38:36,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb4eac78/f44df76f4a9640d4bbe51707dc1c4fb3/FLAG348ddefa7 [2023-11-22 18:38:36,877 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb4eac78/f44df76f4a9640d4bbe51707dc1c4fb3 [2023-11-22 18:38:36,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 18:38:36,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 18:38:36,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 18:38:36,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 18:38:36,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 18:38:36,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:38:36" (1/1) ... [2023-11-22 18:38:36,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6b26f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:36, skipping insertion in model container [2023-11-22 18:38:36,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:38:36" (1/1) ... [2023-11-22 18:38:37,000 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 18:38:39,146 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[330688,330701] [2023-11-22 18:38:39,151 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[330833,330846] [2023-11-22 18:38:39,157 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[330979,330992] [2023-11-22 18:38:39,157 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331144,331157] [2023-11-22 18:38:39,158 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331302,331315] [2023-11-22 18:38:39,158 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331460,331473] [2023-11-22 18:38:39,166 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331618,331631] [2023-11-22 18:38:39,167 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331778,331791] [2023-11-22 18:38:39,167 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331937,331950] [2023-11-22 18:38:39,168 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332076,332089] [2023-11-22 18:38:39,169 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332218,332231] [2023-11-22 18:38:39,171 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332367,332380] [2023-11-22 18:38:39,171 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332506,332519] [2023-11-22 18:38:39,172 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332661,332674] [2023-11-22 18:38:39,172 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332821,332834] [2023-11-22 18:38:39,173 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332972,332985] [2023-11-22 18:38:39,183 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333123,333136] [2023-11-22 18:38:39,183 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333275,333288] [2023-11-22 18:38:39,184 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333424,333437] [2023-11-22 18:38:39,184 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333572,333585] [2023-11-22 18:38:39,184 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333729,333742] [2023-11-22 18:38:39,185 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333878,333891] [2023-11-22 18:38:39,187 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334034,334047] [2023-11-22 18:38:39,187 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334187,334200] [2023-11-22 18:38:39,188 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334333,334346] [2023-11-22 18:38:39,188 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334476,334489] [2023-11-22 18:38:39,188 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334628,334641] [2023-11-22 18:38:39,189 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334774,334787] [2023-11-22 18:38:39,189 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334919,334932] [2023-11-22 18:38:39,189 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335073,335086] [2023-11-22 18:38:39,190 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335224,335237] [2023-11-22 18:38:39,190 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335379,335392] [2023-11-22 18:38:39,190 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335531,335544] [2023-11-22 18:38:39,190 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335686,335699] [2023-11-22 18:38:39,191 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335850,335863] [2023-11-22 18:38:39,191 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336006,336019] [2023-11-22 18:38:39,193 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336170,336183] [2023-11-22 18:38:39,208 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336312,336325] [2023-11-22 18:38:39,208 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336470,336483] [2023-11-22 18:38:39,209 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336637,336650] [2023-11-22 18:38:39,209 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336796,336809] [2023-11-22 18:38:39,209 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336955,336968] [2023-11-22 18:38:39,210 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337104,337117] [2023-11-22 18:38:39,210 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337251,337264] [2023-11-22 18:38:39,210 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337390,337403] [2023-11-22 18:38:39,211 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337553,337566] [2023-11-22 18:38:39,211 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337719,337732] [2023-11-22 18:38:39,211 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337883,337896] [2023-11-22 18:38:39,212 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338048,338061] [2023-11-22 18:38:39,212 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338213,338226] [2023-11-22 18:38:39,212 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338379,338392] [2023-11-22 18:38:39,212 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338544,338557] [2023-11-22 18:38:39,214 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338711,338724] [2023-11-22 18:38:39,214 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338871,338884] [2023-11-22 18:38:39,215 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339033,339046] [2023-11-22 18:38:39,215 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339192,339205] [2023-11-22 18:38:39,215 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339338,339351] [2023-11-22 18:38:39,216 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339481,339494] [2023-11-22 18:38:39,216 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339625,339638] [2023-11-22 18:38:39,217 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339768,339781] [2023-11-22 18:38:39,218 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339912,339925] [2023-11-22 18:38:39,218 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340053,340066] [2023-11-22 18:38:39,219 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340191,340204] [2023-11-22 18:38:39,219 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340349,340362] [2023-11-22 18:38:39,219 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340508,340521] [2023-11-22 18:38:39,220 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340664,340677] [2023-11-22 18:38:39,221 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340813,340826] [2023-11-22 18:38:39,221 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340965,340978] [2023-11-22 18:38:39,221 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341116,341129] [2023-11-22 18:38:39,223 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341265,341278] [2023-11-22 18:38:39,223 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341417,341430] [2023-11-22 18:38:39,223 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341565,341578] [2023-11-22 18:38:39,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341718,341731] [2023-11-22 18:38:39,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341869,341882] [2023-11-22 18:38:39,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342019,342032] [2023-11-22 18:38:39,225 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342166,342179] [2023-11-22 18:38:39,225 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342317,342330] [2023-11-22 18:38:39,225 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342468,342481] [2023-11-22 18:38:39,226 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342616,342629] [2023-11-22 18:38:39,226 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342782,342795] [2023-11-22 18:38:39,226 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342951,342964] [2023-11-22 18:38:39,227 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343118,343131] [2023-11-22 18:38:39,227 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343286,343299] [2023-11-22 18:38:39,227 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343436,343449] [2023-11-22 18:38:39,228 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343583,343596] [2023-11-22 18:38:39,228 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343744,343757] [2023-11-22 18:38:39,228 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343914,343927] [2023-11-22 18:38:39,228 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[344076,344089] [2023-11-22 18:38:39,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 18:38:39,285 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 18:38:39,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [4593-4594] [2023-11-22 18:38:39,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [4598-4599] [2023-11-22 18:38:39,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [4603-4604] [2023-11-22 18:38:39,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [4608-4609] [2023-11-22 18:38:39,509 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[330688,330701] [2023-11-22 18:38:39,510 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[330833,330846] [2023-11-22 18:38:39,510 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[330979,330992] [2023-11-22 18:38:39,510 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331144,331157] [2023-11-22 18:38:39,513 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331302,331315] [2023-11-22 18:38:39,514 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331460,331473] [2023-11-22 18:38:39,514 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331618,331631] [2023-11-22 18:38:39,514 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331778,331791] [2023-11-22 18:38:39,515 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[331937,331950] [2023-11-22 18:38:39,515 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332076,332089] [2023-11-22 18:38:39,516 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332218,332231] [2023-11-22 18:38:39,516 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332367,332380] [2023-11-22 18:38:39,516 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332506,332519] [2023-11-22 18:38:39,517 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332661,332674] [2023-11-22 18:38:39,517 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332821,332834] [2023-11-22 18:38:39,518 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[332972,332985] [2023-11-22 18:38:39,518 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333123,333136] [2023-11-22 18:38:39,519 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333275,333288] [2023-11-22 18:38:39,519 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333424,333437] [2023-11-22 18:38:39,519 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333572,333585] [2023-11-22 18:38:39,520 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333729,333742] [2023-11-22 18:38:39,520 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[333878,333891] [2023-11-22 18:38:39,520 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334034,334047] [2023-11-22 18:38:39,521 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334187,334200] [2023-11-22 18:38:39,521 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334333,334346] [2023-11-22 18:38:39,522 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334476,334489] [2023-11-22 18:38:39,522 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334628,334641] [2023-11-22 18:38:39,522 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334774,334787] [2023-11-22 18:38:39,522 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[334919,334932] [2023-11-22 18:38:39,523 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335073,335086] [2023-11-22 18:38:39,523 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335224,335237] [2023-11-22 18:38:39,523 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335379,335392] [2023-11-22 18:38:39,524 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335531,335544] [2023-11-22 18:38:39,524 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335686,335699] [2023-11-22 18:38:39,525 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[335850,335863] [2023-11-22 18:38:39,525 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336006,336019] [2023-11-22 18:38:39,525 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336170,336183] [2023-11-22 18:38:39,526 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336312,336325] [2023-11-22 18:38:39,526 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336470,336483] [2023-11-22 18:38:39,527 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336637,336650] [2023-11-22 18:38:39,527 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336796,336809] [2023-11-22 18:38:39,528 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[336955,336968] [2023-11-22 18:38:39,528 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337104,337117] [2023-11-22 18:38:39,528 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337251,337264] [2023-11-22 18:38:39,529 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337390,337403] [2023-11-22 18:38:39,529 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337553,337566] [2023-11-22 18:38:39,529 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337719,337732] [2023-11-22 18:38:39,529 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[337883,337896] [2023-11-22 18:38:39,530 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338048,338061] [2023-11-22 18:38:39,530 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338213,338226] [2023-11-22 18:38:39,530 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338379,338392] [2023-11-22 18:38:39,530 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338544,338557] [2023-11-22 18:38:39,531 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338711,338724] [2023-11-22 18:38:39,531 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[338871,338884] [2023-11-22 18:38:39,531 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339033,339046] [2023-11-22 18:38:39,532 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339192,339205] [2023-11-22 18:38:39,532 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339338,339351] [2023-11-22 18:38:39,532 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339481,339494] [2023-11-22 18:38:39,533 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339625,339638] [2023-11-22 18:38:39,533 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339768,339781] [2023-11-22 18:38:39,533 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[339912,339925] [2023-11-22 18:38:39,533 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340053,340066] [2023-11-22 18:38:39,534 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340191,340204] [2023-11-22 18:38:39,534 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340349,340362] [2023-11-22 18:38:39,535 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340508,340521] [2023-11-22 18:38:39,535 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340664,340677] [2023-11-22 18:38:39,535 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340813,340826] [2023-11-22 18:38:39,536 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[340965,340978] [2023-11-22 18:38:39,543 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341116,341129] [2023-11-22 18:38:39,544 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341265,341278] [2023-11-22 18:38:39,544 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341417,341430] [2023-11-22 18:38:39,545 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341565,341578] [2023-11-22 18:38:39,545 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341718,341731] [2023-11-22 18:38:39,546 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[341869,341882] [2023-11-22 18:38:39,546 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342019,342032] [2023-11-22 18:38:39,546 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342166,342179] [2023-11-22 18:38:39,546 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342317,342330] [2023-11-22 18:38:39,547 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342468,342481] [2023-11-22 18:38:39,548 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342616,342629] [2023-11-22 18:38:39,548 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342782,342795] [2023-11-22 18:38:39,549 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[342951,342964] [2023-11-22 18:38:39,549 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343118,343131] [2023-11-22 18:38:39,549 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343286,343299] [2023-11-22 18:38:39,550 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343436,343449] [2023-11-22 18:38:39,550 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343583,343596] [2023-11-22 18:38:39,550 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343744,343757] [2023-11-22 18:38:39,550 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[343914,343927] [2023-11-22 18:38:39,551 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav-todo/linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i[344076,344089] [2023-11-22 18:38:39,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 18:38:39,684 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 18:38:39,690 INFO L206 MainTranslator]: Completed translation [2023-11-22 18:38:39,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39 WrapperNode [2023-11-22 18:38:39,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 18:38:39,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 18:38:39,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 18:38:39,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 18:38:39,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:39,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:39,889 INFO L138 Inliner]: procedures = 591, calls = 1851, calls flagged for inlining = 314, calls inlined = 232, statements flattened = 4669 [2023-11-22 18:38:39,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 18:38:39,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 18:38:39,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 18:38:39,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 18:38:39,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:39,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:39,929 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:40,653 INFO L189 HeapSplitter]: Split 763 memory accesses to 16 slices as follows [14, 1, 8, 4, 1, 38, 1, 2, 2, 2, 516, 42, 74, 13, 39, 6] [2023-11-22 18:38:40,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:40,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:40,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:40,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:40,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:40,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:40,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 18:38:40,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 18:38:40,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 18:38:40,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 18:38:40,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (1/1) ... [2023-11-22 18:38:40,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 18:38:40,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:38:40,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 18:38:40,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 18:38:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-11-22 18:38:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-11-22 18:38:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-22 18:38:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-22 18:38:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-22 18:38:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-22 18:38:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-11-22 18:38:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-11-22 18:38:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-11-22 18:38:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-11-22 18:38:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_unregister [2023-11-22 18:38:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_unregister [2023-11-22 18:38:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-22 18:38:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-22 18:38:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-22 18:38:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-22 18:38:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_get_drvdata [2023-11-22 18:38:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_get_drvdata [2023-11-22 18:38:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-11-22 18:38:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-11-22 18:38:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 18:38:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_poll [2023-11-22 18:38:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_poll [2023-11-22 18:38:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2023-11-22 18:38:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2023-11-22 18:38:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-11-22 18:38:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-11-22 18:38:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-22 18:38:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-22 18:38:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-22 18:38:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-22 18:38:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-22 18:38:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-22 18:38:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-22 18:38:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-22 18:38:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-22 18:38:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-22 18:38:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-22 18:38:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-22 18:38:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-22 18:38:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-11-22 18:38:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-11-22 18:38:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-22 18:38:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-22 18:38:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-11-22 18:38:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-11-22 18:38:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-22 18:38:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-22 18:38:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_runtime_resume [2023-11-22 18:38:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_runtime_resume [2023-11-22 18:38:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure iio_priv [2023-11-22 18:38:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_priv [2023-11-22 18:38:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-11-22 18:38:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-11-22 18:38:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-22 18:38:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-22 18:38:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-22 18:38:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-22 18:38:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 18:38:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_get_acc_reg [2023-11-22 18:38:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_get_acc_reg [2023-11-22 18:38:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_get_mode [2023-11-22 18:38:40,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_get_mode [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-22 18:38:40,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-22 18:38:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-22 18:38:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-22 18:38:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-22 18:38:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-22 18:38:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-22 18:38:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-22 18:38:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-22 18:38:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-22 18:38:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-22 18:38:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-22 18:38:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-22 18:38:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-22 18:38:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-22 18:38:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure iio_push_event [2023-11-22 18:38:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_push_event [2023-11-22 18:38:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-11-22 18:38:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-11-22 18:38:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-11-22 18:38:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-11-22 18:38:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_kxcjk1013_data [2023-11-22 18:38:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_kxcjk1013_data [2023-11-22 18:38:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 18:38:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 18:38:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-22 18:38:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_trig_try_reen [2023-11-22 18:38:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_trig_try_reen [2023-11-22 18:38:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-22 18:38:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-22 18:38:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_remove [2023-11-22 18:38:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_remove [2023-11-22 18:38:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-22 18:38:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-22 18:38:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_range [2023-11-22 18:38:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_range [2023-11-22 18:38:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-11-22 18:38:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-11-22 18:38:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-11-22 18:38:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-11-22 18:38:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 18:38:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_register [2023-11-22 18:38:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_register [2023-11-22 18:38:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-22 18:38:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_kxcjk1013_data [2023-11-22 18:38:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_kxcjk1013_data [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-11-22 18:38:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-22 18:38:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-22 18:38:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure iio_triggered_buffer_cleanup [2023-11-22 18:38:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_triggered_buffer_cleanup [2023-11-22 18:38:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_runtime_suspend [2023-11-22 18:38:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_runtime_suspend [2023-11-22 18:38:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-22 18:38:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-22 18:38:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-22 18:38:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-22 18:38:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-22 18:38:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-22 18:38:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-22 18:38:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-22 18:38:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-22 18:38:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-22 18:38:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-22 18:38:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-22 18:38:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_power_state [2023-11-22 18:38:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_power_state [2023-11-22 18:38:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-22 18:38:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-22 18:38:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_set_drvdata [2023-11-22 18:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_set_drvdata [2023-11-22 18:38:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_trigger_register [2023-11-22 18:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_trigger_register [2023-11-22 18:38:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-22 18:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-22 18:38:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2023-11-22 18:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2023-11-22 18:38:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-22 18:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-22 18:38:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-11-22 18:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-11-22 18:38:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_trigger_unregister [2023-11-22 18:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_trigger_unregister [2023-11-22 18:38:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-22 18:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-22 18:38:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure iio_device_unregister [2023-11-22 18:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_device_unregister [2023-11-22 18:38:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-22 18:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-22 18:38:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_setup_any_motion_interrupt [2023-11-22 18:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_setup_any_motion_interrupt [2023-11-22 18:38:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_triggered_buffer_cleanup [2023-11-22 18:38:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_triggered_buffer_cleanup [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-22 18:38:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-22 18:38:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-22 18:38:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-22 18:38:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-22 18:38:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-22 18:38:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-22 18:38:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-22 18:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-22 18:38:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure devm_iio_trigger_alloc [2023-11-22 18:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_iio_trigger_alloc [2023-11-22 18:38:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-22 18:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-22 18:38:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-22 18:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-22 18:38:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_mode [2023-11-22 18:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_mode [2023-11-22 18:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_resume [2023-11-22 18:38:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_resume [2023-11-22 18:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-22 18:38:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-22 18:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-22 18:38:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-22 18:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_suspend [2023-11-22 18:38:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_suspend [2023-11-22 18:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-22 18:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-22 18:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-22 18:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-22 18:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-22 18:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-22 18:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-11-22 18:38:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-11-22 18:38:41,586 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 18:38:41,590 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 18:38:41,657 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-22 18:38:45,466 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 18:38:45,678 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 18:38:45,678 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-22 18:38:45,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:38:45 BoogieIcfgContainer [2023-11-22 18:38:45,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 18:38:45,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 18:38:45,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 18:38:45,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 18:38:45,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:38:36" (1/3) ... [2023-11-22 18:38:45,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ce338d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:38:45, skipping insertion in model container [2023-11-22 18:38:45,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:38:39" (2/3) ... [2023-11-22 18:38:45,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ce338d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:38:45, skipping insertion in model container [2023-11-22 18:38:45,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:38:45" (3/3) ... [2023-11-22 18:38:45,685 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--iio--accel--kxcjk-1013.ko.cil.i [2023-11-22 18:38:45,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 18:38:45,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-22 18:38:45,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 18:38:45,754 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=LoopHeads, 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;@320d65e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 18:38:45,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2023-11-22 18:38:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 1314 states, 836 states have (on average 1.3911483253588517) internal successors, (1163), 884 states have internal predecessors, (1163), 378 states have call successors, (378), 74 states have call predecessors, (378), 73 states have return successors, (372), 369 states have call predecessors, (372), 372 states have call successors, (372) [2023-11-22 18:38:45,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-22 18:38:45,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:38:45,769 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:38:45,770 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:38:45,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:38:45,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1081779175, now seen corresponding path program 1 times [2023-11-22 18:38:45,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:38:45,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028371640] [2023-11-22 18:38:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:38:45,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:38:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:38:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:38:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:46,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:38:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:46,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:38:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:38:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:38:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:47,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:38:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:47,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:38:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:47,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:38:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:38:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:38:47,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:38:47,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028371640] [2023-11-22 18:38:47,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028371640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:38:47,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:38:47,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:38:47,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432723025] [2023-11-22 18:38:47,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:38:47,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:38:47,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:38:47,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:38:47,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:38:47,069 INFO L87 Difference]: Start difference. First operand has 1314 states, 836 states have (on average 1.3911483253588517) internal successors, (1163), 884 states have internal predecessors, (1163), 378 states have call successors, (378), 74 states have call predecessors, (378), 73 states have return successors, (372), 369 states have call predecessors, (372), 372 states have call successors, (372) Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-22 18:38:49,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:38:51,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:38:53,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:38:55,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:38:59,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:38:59,677 INFO L93 Difference]: Finished difference Result 2603 states and 3922 transitions. [2023-11-22 18:38:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:38:59,679 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2023-11-22 18:38:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:38:59,704 INFO L225 Difference]: With dead ends: 2603 [2023-11-22 18:38:59,704 INFO L226 Difference]: Without dead ends: 1297 [2023-11-22 18:38:59,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:38:59,719 INFO L413 NwaCegarLoop]: 798 mSDtfsCounter, 2667 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 1399 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 4344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1399 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-22 18:38:59,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 2123 Invalid, 4344 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1399 Valid, 2941 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2023-11-22 18:38:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2023-11-22 18:38:59,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1297. [2023-11-22 18:38:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 828 states have (on average 1.3417874396135265) internal successors, (1111), 870 states have internal predecessors, (1111), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:38:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1853 transitions. [2023-11-22 18:38:59,851 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1853 transitions. Word has length 47 [2023-11-22 18:38:59,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:38:59,853 INFO L495 AbstractCegarLoop]: Abstraction has 1297 states and 1853 transitions. [2023-11-22 18:38:59,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-22 18:38:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1853 transitions. [2023-11-22 18:38:59,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-22 18:38:59,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:38:59,855 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:38:59,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 18:38:59,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:38:59,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:38:59,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1838169113, now seen corresponding path program 1 times [2023-11-22 18:38:59,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:38:59,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096523788] [2023-11-22 18:38:59,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:38:59,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:39:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:39:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:39:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:39:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:39:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:39:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:39:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:39:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:01,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:39:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:39:01,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:39:01,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096523788] [2023-11-22 18:39:01,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096523788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:39:01,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:39:01,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:39:01,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763420938] [2023-11-22 18:39:01,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:39:01,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:39:01,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:39:01,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:39:01,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:39:01,026 INFO L87 Difference]: Start difference. First operand 1297 states and 1853 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-22 18:39:03,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:05,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:07,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:09,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:14,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:39:14,001 INFO L93 Difference]: Finished difference Result 1297 states and 1853 transitions. [2023-11-22 18:39:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:39:14,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-11-22 18:39:14,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:39:14,008 INFO L225 Difference]: With dead ends: 1297 [2023-11-22 18:39:14,008 INFO L226 Difference]: Without dead ends: 1295 [2023-11-22 18:39:14,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:39:14,009 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 2633 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2917 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 4307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2917 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-11-22 18:39:14,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2833 Valid, 2091 Invalid, 4307 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1386 Valid, 2917 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2023-11-22 18:39:14,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2023-11-22 18:39:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2023-11-22 18:39:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 827 states have (on average 1.3409915356711004) internal successors, (1109), 868 states have internal predecessors, (1109), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:39:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1851 transitions. [2023-11-22 18:39:14,057 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1851 transitions. Word has length 52 [2023-11-22 18:39:14,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:39:14,057 INFO L495 AbstractCegarLoop]: Abstraction has 1295 states and 1851 transitions. [2023-11-22 18:39:14,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-22 18:39:14,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1851 transitions. [2023-11-22 18:39:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-22 18:39:14,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:39:14,063 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:39:14,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 18:39:14,064 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:39:14,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:39:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1686281119, now seen corresponding path program 1 times [2023-11-22 18:39:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:39:14,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954987408] [2023-11-22 18:39:14,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:39:14,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:39:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:39:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:39:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:39:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:39:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:39:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:39:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:39:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:39:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:39:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:39:14,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:39:14,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954987408] [2023-11-22 18:39:14,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954987408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:39:14,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:39:14,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:39:14,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206845937] [2023-11-22 18:39:14,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:39:14,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:39:14,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:39:14,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:39:14,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:39:14,956 INFO L87 Difference]: Start difference. First operand 1295 states and 1851 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-22 18:39:16,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:18,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:21,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:23,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:39:27,858 INFO L93 Difference]: Finished difference Result 1295 states and 1851 transitions. [2023-11-22 18:39:27,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:39:27,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2023-11-22 18:39:27,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:39:27,865 INFO L225 Difference]: With dead ends: 1295 [2023-11-22 18:39:27,866 INFO L226 Difference]: Without dead ends: 1293 [2023-11-22 18:39:27,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:39:27,869 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 2627 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2913 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2826 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 4303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2913 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-22 18:39:27,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2826 Valid, 2091 Invalid, 4303 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1386 Valid, 2913 Invalid, 4 Unknown, 0 Unchecked, 12.6s Time] [2023-11-22 18:39:27,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2023-11-22 18:39:27,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1293. [2023-11-22 18:39:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 826 states have (on average 1.3401937046004844) internal successors, (1107), 866 states have internal predecessors, (1107), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:39:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1849 transitions. [2023-11-22 18:39:27,923 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1849 transitions. Word has length 57 [2023-11-22 18:39:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:39:27,923 INFO L495 AbstractCegarLoop]: Abstraction has 1293 states and 1849 transitions. [2023-11-22 18:39:27,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-22 18:39:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1849 transitions. [2023-11-22 18:39:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-22 18:39:27,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:39:27,924 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:39:27,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 18:39:27,925 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:39:27,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:39:27,925 INFO L85 PathProgramCache]: Analyzing trace with hash -235426452, now seen corresponding path program 1 times [2023-11-22 18:39:27,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:39:27,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402838602] [2023-11-22 18:39:27,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:39:27,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:39:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:39:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:39:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:39:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:39:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:39:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:39:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:39:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:39:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:39:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:39:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:39:28,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:39:28,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402838602] [2023-11-22 18:39:28,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402838602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:39:28,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:39:28,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:39:28,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877937455] [2023-11-22 18:39:28,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:39:28,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:39:28,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:39:28,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:39:28,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:39:28,730 INFO L87 Difference]: Start difference. First operand 1293 states and 1849 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-22 18:39:30,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:32,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:34,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:36,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:40,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:39:40,684 INFO L93 Difference]: Finished difference Result 1293 states and 1849 transitions. [2023-11-22 18:39:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:39:40,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2023-11-22 18:39:40,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:39:40,690 INFO L225 Difference]: With dead ends: 1293 [2023-11-22 18:39:40,690 INFO L226 Difference]: Without dead ends: 1291 [2023-11-22 18:39:40,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:39:40,691 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 2621 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2909 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 4299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2909 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-11-22 18:39:40,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 2091 Invalid, 4299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2909 Invalid, 4 Unknown, 0 Unchecked, 11.7s Time] [2023-11-22 18:39:40,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2023-11-22 18:39:40,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1291. [2023-11-22 18:39:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 825 states have (on average 1.3393939393939394) internal successors, (1105), 864 states have internal predecessors, (1105), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:39:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1847 transitions. [2023-11-22 18:39:40,732 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1847 transitions. Word has length 62 [2023-11-22 18:39:40,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:39:40,732 INFO L495 AbstractCegarLoop]: Abstraction has 1291 states and 1847 transitions. [2023-11-22 18:39:40,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-22 18:39:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1847 transitions. [2023-11-22 18:39:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-22 18:39:40,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:39:40,735 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:39:40,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-22 18:39:40,736 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:39:40,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:39:40,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1156634606, now seen corresponding path program 1 times [2023-11-22 18:39:40,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:39:40,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505073444] [2023-11-22 18:39:40,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:39:40,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:39:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:39:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:39:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:39:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:39:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:39:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:39:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:39:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:39:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:39:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:39:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:39:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:39:41,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:39:41,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505073444] [2023-11-22 18:39:41,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505073444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:39:41,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:39:41,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:39:41,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577861303] [2023-11-22 18:39:41,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:39:41,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:39:41,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:39:41,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:39:41,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:39:41,509 INFO L87 Difference]: Start difference. First operand 1291 states and 1847 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-22 18:39:43,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:45,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:47,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:49,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:53,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:39:53,838 INFO L93 Difference]: Finished difference Result 1291 states and 1847 transitions. [2023-11-22 18:39:53,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:39:53,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2023-11-22 18:39:53,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:39:53,843 INFO L225 Difference]: With dead ends: 1291 [2023-11-22 18:39:53,843 INFO L226 Difference]: Without dead ends: 1289 [2023-11-22 18:39:53,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:39:53,844 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 2615 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2905 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2812 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 4295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2905 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-11-22 18:39:53,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2812 Valid, 2091 Invalid, 4295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2905 Invalid, 4 Unknown, 0 Unchecked, 12.1s Time] [2023-11-22 18:39:53,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2023-11-22 18:39:53,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1289. [2023-11-22 18:39:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 824 states have (on average 1.3385922330097086) internal successors, (1103), 862 states have internal predecessors, (1103), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:39:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1845 transitions. [2023-11-22 18:39:53,887 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1845 transitions. Word has length 67 [2023-11-22 18:39:53,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:39:53,888 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 1845 transitions. [2023-11-22 18:39:53,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-22 18:39:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1845 transitions. [2023-11-22 18:39:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-22 18:39:53,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:39:53,888 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:39:53,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-22 18:39:53,889 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:39:53,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:39:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1115620388, now seen corresponding path program 1 times [2023-11-22 18:39:53,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:39:53,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680219664] [2023-11-22 18:39:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:39:53,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:39:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:39:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:39:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:39:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:39:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:39:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:39:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:39:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:39:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:39:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:39:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:39:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:39:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:39:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:39:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:39:54,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:39:54,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680219664] [2023-11-22 18:39:54,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680219664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:39:54,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:39:54,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:39:54,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123939648] [2023-11-22 18:39:54,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:39:54,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:39:54,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:39:54,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:39:54,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:39:54,629 INFO L87 Difference]: Start difference. First operand 1289 states and 1845 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-22 18:39:56,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:39:58,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:00,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:02,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:06,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:40:06,792 INFO L93 Difference]: Finished difference Result 1289 states and 1845 transitions. [2023-11-22 18:40:06,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:40:06,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2023-11-22 18:40:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:40:06,798 INFO L225 Difference]: With dead ends: 1289 [2023-11-22 18:40:06,799 INFO L226 Difference]: Without dead ends: 1287 [2023-11-22 18:40:06,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:40:06,801 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 2609 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2805 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 4291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2901 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-22 18:40:06,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2805 Valid, 2091 Invalid, 4291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2901 Invalid, 4 Unknown, 0 Unchecked, 11.9s Time] [2023-11-22 18:40:06,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2023-11-22 18:40:06,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1287. [2023-11-22 18:40:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 823 states have (on average 1.3377885783718104) internal successors, (1101), 860 states have internal predecessors, (1101), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:40:06,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1843 transitions. [2023-11-22 18:40:06,944 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1843 transitions. Word has length 72 [2023-11-22 18:40:06,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:40:06,945 INFO L495 AbstractCegarLoop]: Abstraction has 1287 states and 1843 transitions. [2023-11-22 18:40:06,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-22 18:40:06,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1843 transitions. [2023-11-22 18:40:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-22 18:40:06,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:40:06,946 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:40:06,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-22 18:40:06,947 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:40:06,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:40:06,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1061644267, now seen corresponding path program 1 times [2023-11-22 18:40:06,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:40:06,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919014249] [2023-11-22 18:40:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:40:06,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:40:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:40:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:40:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:40:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:40:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:40:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:40:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:40:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:40:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:40:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:40:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:40:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:40:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:40:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:40:07,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:40:07,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919014249] [2023-11-22 18:40:07,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919014249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:40:07,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:40:07,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:40:07,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122107965] [2023-11-22 18:40:07,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:40:07,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:40:07,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:40:07,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:40:07,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:40:07,780 INFO L87 Difference]: Start difference. First operand 1287 states and 1843 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-22 18:40:09,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:11,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:13,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:15,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:40:20,044 INFO L93 Difference]: Finished difference Result 1287 states and 1843 transitions. [2023-11-22 18:40:20,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:40:20,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2023-11-22 18:40:20,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:40:20,049 INFO L225 Difference]: With dead ends: 1287 [2023-11-22 18:40:20,050 INFO L226 Difference]: Without dead ends: 1285 [2023-11-22 18:40:20,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:40:20,051 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 2603 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2897 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 4287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2897 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-22 18:40:20,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2798 Valid, 2091 Invalid, 4287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2897 Invalid, 4 Unknown, 0 Unchecked, 12.0s Time] [2023-11-22 18:40:20,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2023-11-22 18:40:20,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1285. [2023-11-22 18:40:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 822 states have (on average 1.3369829683698298) internal successors, (1099), 858 states have internal predecessors, (1099), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:40:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1841 transitions. [2023-11-22 18:40:20,116 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1841 transitions. Word has length 77 [2023-11-22 18:40:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:40:20,128 INFO L495 AbstractCegarLoop]: Abstraction has 1285 states and 1841 transitions. [2023-11-22 18:40:20,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-22 18:40:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1841 transitions. [2023-11-22 18:40:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-22 18:40:20,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:40:20,129 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:40:20,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 18:40:20,129 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:40:20,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:40:20,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1692062746, now seen corresponding path program 1 times [2023-11-22 18:40:20,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:40:20,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200751819] [2023-11-22 18:40:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:40:20,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:40:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:40:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:40:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:40:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:40:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:40:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:40:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:40:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:40:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:40:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:40:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:40:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:40:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:40:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:40:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:40:20,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:40:20,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200751819] [2023-11-22 18:40:20,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200751819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:40:20,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:40:20,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:40:20,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385852271] [2023-11-22 18:40:20,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:40:20,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:40:20,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:40:20,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:40:20,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:40:20,959 INFO L87 Difference]: Start difference. First operand 1285 states and 1841 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-22 18:40:22,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:25,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:27,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:29,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:32,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:40:32,965 INFO L93 Difference]: Finished difference Result 1285 states and 1841 transitions. [2023-11-22 18:40:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:40:32,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2023-11-22 18:40:32,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:40:32,970 INFO L225 Difference]: With dead ends: 1285 [2023-11-22 18:40:32,970 INFO L226 Difference]: Without dead ends: 1283 [2023-11-22 18:40:32,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:40:32,971 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 2597 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2893 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 4283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2893 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-22 18:40:32,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 2091 Invalid, 4283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1386 Valid, 2893 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2023-11-22 18:40:32,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2023-11-22 18:40:33,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1283. [2023-11-22 18:40:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 821 states have (on average 1.3361753958587088) internal successors, (1097), 856 states have internal predecessors, (1097), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:40:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1839 transitions. [2023-11-22 18:40:33,028 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1839 transitions. Word has length 82 [2023-11-22 18:40:33,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:40:33,029 INFO L495 AbstractCegarLoop]: Abstraction has 1283 states and 1839 transitions. [2023-11-22 18:40:33,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-22 18:40:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1839 transitions. [2023-11-22 18:40:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-22 18:40:33,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:40:33,032 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:40:33,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-22 18:40:33,032 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:40:33,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:40:33,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1720438313, now seen corresponding path program 1 times [2023-11-22 18:40:33,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:40:33,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647239302] [2023-11-22 18:40:33,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:40:33,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:40:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:40:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:40:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:40:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:40:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:40:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:40:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:40:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:40:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:40:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:40:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:40:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:40:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:40:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:40:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:40:33,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:40:33,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647239302] [2023-11-22 18:40:33,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647239302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:40:33,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:40:33,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:40:33,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361508867] [2023-11-22 18:40:33,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:40:33,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:40:33,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:40:33,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:40:33,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:40:33,737 INFO L87 Difference]: Start difference. First operand 1283 states and 1839 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-22 18:40:35,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:37,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:39,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:41,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:45,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:40:45,487 INFO L93 Difference]: Finished difference Result 1283 states and 1839 transitions. [2023-11-22 18:40:45,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:40:45,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2023-11-22 18:40:45,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:40:45,494 INFO L225 Difference]: With dead ends: 1283 [2023-11-22 18:40:45,494 INFO L226 Difference]: Without dead ends: 1281 [2023-11-22 18:40:45,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:40:45,497 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 2589 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 2889 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2783 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2889 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-22 18:40:45,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2783 Valid, 2091 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2889 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2023-11-22 18:40:45,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2023-11-22 18:40:45,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1281. [2023-11-22 18:40:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 820 states have (on average 1.3353658536585367) internal successors, (1095), 854 states have internal predecessors, (1095), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:40:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1837 transitions. [2023-11-22 18:40:45,607 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1837 transitions. Word has length 84 [2023-11-22 18:40:45,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:40:45,607 INFO L495 AbstractCegarLoop]: Abstraction has 1281 states and 1837 transitions. [2023-11-22 18:40:45,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-22 18:40:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1837 transitions. [2023-11-22 18:40:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-22 18:40:45,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:40:45,609 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:40:45,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-22 18:40:45,609 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:40:45,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:40:45,609 INFO L85 PathProgramCache]: Analyzing trace with hash -264794645, now seen corresponding path program 1 times [2023-11-22 18:40:45,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:40:45,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888263703] [2023-11-22 18:40:45,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:40:45,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:40:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:40:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:40:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:40:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:40:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:40:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:40:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:40:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-22 18:40:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-22 18:40:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 18:40:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 18:40:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-22 18:40:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-22 18:40:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 18:40:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 18:40:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-22 18:40:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-22 18:40:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-22 18:40:46,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:40:46,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888263703] [2023-11-22 18:40:46,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888263703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:40:46,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:40:46,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:40:46,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110944903] [2023-11-22 18:40:46,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:40:46,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:40:46,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:40:46,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:40:46,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:40:46,353 INFO L87 Difference]: Start difference. First operand 1281 states and 1837 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-22 18:40:48,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:50,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:52,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:54,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:40:58,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:40:58,368 INFO L93 Difference]: Finished difference Result 1787 states and 2473 transitions. [2023-11-22 18:40:58,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 18:40:58,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 98 [2023-11-22 18:40:58,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:40:58,373 INFO L225 Difference]: With dead ends: 1787 [2023-11-22 18:40:58,374 INFO L226 Difference]: Without dead ends: 1283 [2023-11-22 18:40:58,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 18:40:58,375 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 2910 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 2590 mSolverCounterSat, 1828 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 1627 SdHoareTripleChecker+Invalid, 4422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1828 IncrementalHoareTripleChecker+Valid, 2590 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-22 18:40:58,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3123 Valid, 1627 Invalid, 4422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1828 Valid, 2590 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2023-11-22 18:40:58,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2023-11-22 18:40:58,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1277. [2023-11-22 18:40:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 817 states have (on average 1.3341493268053854) internal successors, (1090), 850 states have internal predecessors, (1090), 372 states have call successors, (372), 73 states have call predecessors, (372), 72 states have return successors, (370), 367 states have call predecessors, (370), 370 states have call successors, (370) [2023-11-22 18:40:58,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1832 transitions. [2023-11-22 18:40:58,443 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1832 transitions. Word has length 98 [2023-11-22 18:40:58,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:40:58,444 INFO L495 AbstractCegarLoop]: Abstraction has 1277 states and 1832 transitions. [2023-11-22 18:40:58,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-22 18:40:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1832 transitions. [2023-11-22 18:40:58,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-22 18:40:58,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:40:58,445 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:40:58,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-22 18:40:58,446 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:40:58,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:40:58,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1329906716, now seen corresponding path program 1 times [2023-11-22 18:40:58,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:40:58,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816628587] [2023-11-22 18:40:58,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:40:58,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:40:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:40:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:40:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:40:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:40:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:40:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:40:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:40:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:40:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:40:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:40:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:40:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:40:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:40:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:40:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:40:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 18:40:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:40:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:40:59,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:40:59,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816628587] [2023-11-22 18:40:59,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816628587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:40:59,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:40:59,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:40:59,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505517045] [2023-11-22 18:40:59,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:40:59,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:40:59,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:40:59,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:40:59,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:40:59,202 INFO L87 Difference]: Start difference. First operand 1277 states and 1832 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-22 18:41:01,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:03,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:05,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:07,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:13,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:41:13,680 INFO L93 Difference]: Finished difference Result 2536 states and 3636 transitions. [2023-11-22 18:41:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-22 18:41:13,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2023-11-22 18:41:13,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:41:13,690 INFO L225 Difference]: With dead ends: 2536 [2023-11-22 18:41:13,691 INFO L226 Difference]: Without dead ends: 2534 [2023-11-22 18:41:13,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-22 18:41:13,692 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 3269 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 5191 mSolverCounterSat, 2067 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 2854 SdHoareTripleChecker+Invalid, 7262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2067 IncrementalHoareTripleChecker+Valid, 5191 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-11-22 18:41:13,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3462 Valid, 2854 Invalid, 7262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2067 Valid, 5191 Invalid, 4 Unknown, 0 Unchecked, 14.1s Time] [2023-11-22 18:41:13,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2023-11-22 18:41:13,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2440. [2023-11-22 18:41:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 1576 states have (on average 1.3381979695431472) internal successors, (2109), 1627 states have internal predecessors, (2109), 714 states have call successors, (714), 135 states have call predecessors, (714), 134 states have return successors, (712), 704 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-22 18:41:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3535 transitions. [2023-11-22 18:41:13,853 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3535 transitions. Word has length 89 [2023-11-22 18:41:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:41:13,854 INFO L495 AbstractCegarLoop]: Abstraction has 2440 states and 3535 transitions. [2023-11-22 18:41:13,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-22 18:41:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3535 transitions. [2023-11-22 18:41:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-22 18:41:13,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:41:13,857 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:41:13,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-22 18:41:13,857 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:41:13,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:41:13,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1552924715, now seen corresponding path program 1 times [2023-11-22 18:41:13,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:41:13,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101279563] [2023-11-22 18:41:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:41:13,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:41:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:41:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:41:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:41:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:41:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:41:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:41:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:41:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-22 18:41:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-22 18:41:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 18:41:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 18:41:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-22 18:41:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-22 18:41:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 18:41:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 18:41:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-22 18:41:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-22 18:41:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-22 18:41:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-22 18:41:14,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:41:14,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101279563] [2023-11-22 18:41:14,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101279563] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:41:14,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265678670] [2023-11-22 18:41:14,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:41:14,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:41:14,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:41:14,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:41:14,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-22 18:41:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:15,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 2497 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-22 18:41:15,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:41:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-22 18:41:16,008 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 18:41:16,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265678670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:41:16,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 18:41:16,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-22 18:41:16,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781347267] [2023-11-22 18:41:16,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:41:16,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 18:41:16,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:41:16,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 18:41:16,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:41:16,010 INFO L87 Difference]: Start difference. First operand 2440 states and 3535 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-22 18:41:18,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:18,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:41:18,601 INFO L93 Difference]: Finished difference Result 3351 states and 4695 transitions. [2023-11-22 18:41:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 18:41:18,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 103 [2023-11-22 18:41:18,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:41:18,613 INFO L225 Difference]: With dead ends: 3351 [2023-11-22 18:41:18,613 INFO L226 Difference]: Without dead ends: 2434 [2023-11-22 18:41:18,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:41:18,619 INFO L413 NwaCegarLoop]: 1643 mSDtfsCounter, 1816 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-22 18:41:18,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 1643 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-22 18:41:18,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2023-11-22 18:41:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2434. [2023-11-22 18:41:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 1571 states have (on average 1.336728198599618) internal successors, (2100), 1621 states have internal predecessors, (2100), 714 states have call successors, (714), 135 states have call predecessors, (714), 134 states have return successors, (712), 704 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-22 18:41:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3526 transitions. [2023-11-22 18:41:18,807 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3526 transitions. Word has length 103 [2023-11-22 18:41:18,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:41:18,808 INFO L495 AbstractCegarLoop]: Abstraction has 2434 states and 3526 transitions. [2023-11-22 18:41:18,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-22 18:41:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3526 transitions. [2023-11-22 18:41:18,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-22 18:41:18,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:41:18,810 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:41:18,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-22 18:41:19,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-22 18:41:19,025 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:41:19,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:41:19,026 INFO L85 PathProgramCache]: Analyzing trace with hash -960981695, now seen corresponding path program 1 times [2023-11-22 18:41:19,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:41:19,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358396240] [2023-11-22 18:41:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:41:19,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:41:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:41:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:41:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:41:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:41:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:41:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:41:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:41:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:41:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:41:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:41:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:41:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:41:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:41:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:41:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 18:41:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 18:41:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:41:19,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:41:19,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358396240] [2023-11-22 18:41:19,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358396240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:41:19,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:41:19,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:41:19,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142220263] [2023-11-22 18:41:19,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:41:19,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:41:19,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:41:19,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:41:19,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:41:19,848 INFO L87 Difference]: Start difference. First operand 2434 states and 3526 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-22 18:41:21,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:23,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:25,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:27,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:32,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:41:32,484 INFO L93 Difference]: Finished difference Result 2434 states and 3526 transitions. [2023-11-22 18:41:32,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:41:32,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2023-11-22 18:41:32,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:41:32,495 INFO L225 Difference]: With dead ends: 2434 [2023-11-22 18:41:32,496 INFO L226 Difference]: Without dead ends: 2432 [2023-11-22 18:41:32,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:41:32,498 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 2575 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 2883 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 4273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2883 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-22 18:41:32,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 2053 Invalid, 4273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2883 Invalid, 4 Unknown, 0 Unchecked, 12.3s Time] [2023-11-22 18:41:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2023-11-22 18:41:32,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2432. [2023-11-22 18:41:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 1570 states have (on average 1.3363057324840764) internal successors, (2098), 1619 states have internal predecessors, (2098), 714 states have call successors, (714), 135 states have call predecessors, (714), 134 states have return successors, (712), 704 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-22 18:41:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3524 transitions. [2023-11-22 18:41:32,681 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3524 transitions. Word has length 94 [2023-11-22 18:41:32,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:41:32,682 INFO L495 AbstractCegarLoop]: Abstraction has 2432 states and 3524 transitions. [2023-11-22 18:41:32,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-22 18:41:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3524 transitions. [2023-11-22 18:41:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-22 18:41:32,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:41:32,683 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:41:32,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-22 18:41:32,684 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:41:32,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:41:32,684 INFO L85 PathProgramCache]: Analyzing trace with hash 89809861, now seen corresponding path program 1 times [2023-11-22 18:41:32,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:41:32,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441646943] [2023-11-22 18:41:32,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:41:32,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:41:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:41:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:41:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:41:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:41:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:41:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:41:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:41:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:41:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:41:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:41:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:41:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:41:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:41:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:41:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 18:41:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 18:41:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-22 18:41:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:41:33,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:41:33,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441646943] [2023-11-22 18:41:33,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441646943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:41:33,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:41:33,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:41:33,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449398443] [2023-11-22 18:41:33,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:41:33,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:41:33,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:41:33,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:41:33,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:41:33,406 INFO L87 Difference]: Start difference. First operand 2432 states and 3524 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-22 18:41:35,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:37,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:39,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:41,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:45,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:41:45,354 INFO L93 Difference]: Finished difference Result 2432 states and 3524 transitions. [2023-11-22 18:41:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:41:45,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2023-11-22 18:41:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:41:45,363 INFO L225 Difference]: With dead ends: 2432 [2023-11-22 18:41:45,364 INFO L226 Difference]: Without dead ends: 2430 [2023-11-22 18:41:45,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:41:45,365 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 2569 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 2879 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2879 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-22 18:41:45,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2760 Valid, 2053 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2879 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2023-11-22 18:41:45,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2023-11-22 18:41:45,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 2430. [2023-11-22 18:41:45,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2430 states, 1569 states have (on average 1.335882727852135) internal successors, (2096), 1617 states have internal predecessors, (2096), 714 states have call successors, (714), 135 states have call predecessors, (714), 134 states have return successors, (712), 704 states have call predecessors, (712), 712 states have call successors, (712) [2023-11-22 18:41:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 3522 transitions. [2023-11-22 18:41:45,554 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 3522 transitions. Word has length 99 [2023-11-22 18:41:45,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:41:45,555 INFO L495 AbstractCegarLoop]: Abstraction has 2430 states and 3522 transitions. [2023-11-22 18:41:45,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-22 18:41:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 3522 transitions. [2023-11-22 18:41:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-22 18:41:45,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:41:45,557 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:41:45,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-22 18:41:45,557 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:41:45,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:41:45,558 INFO L85 PathProgramCache]: Analyzing trace with hash 915304248, now seen corresponding path program 1 times [2023-11-22 18:41:45,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:41:45,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357779160] [2023-11-22 18:41:45,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:41:45,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:41:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:41:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:41:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:41:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:41:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:41:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:41:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:41:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-22 18:41:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-22 18:41:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 18:41:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 18:41:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-22 18:41:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-22 18:41:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-22 18:41:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-22 18:41:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-22 18:41:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-22 18:41:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-22 18:41:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:41:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-22 18:41:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:41:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-11-22 18:41:46,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:41:46,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357779160] [2023-11-22 18:41:46,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357779160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:41:46,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:41:46,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 18:41:46,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295901085] [2023-11-22 18:41:46,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:41:46,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-22 18:41:46,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:41:46,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-22 18:41:46,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-22 18:41:46,799 INFO L87 Difference]: Start difference. First operand 2430 states and 3522 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 18:41:48,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:50,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:52,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:54,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:56,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:41:58,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:04,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:42:04,003 INFO L93 Difference]: Finished difference Result 2576 states and 3716 transitions. [2023-11-22 18:42:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-22 18:42:04,004 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 120 [2023-11-22 18:42:04,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:42:04,026 INFO L225 Difference]: With dead ends: 2576 [2023-11-22 18:42:04,026 INFO L226 Difference]: Without dead ends: 2574 [2023-11-22 18:42:04,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2023-11-22 18:42:04,030 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 2751 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 5386 mSolverCounterSat, 1772 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2917 SdHoareTripleChecker+Valid, 2976 SdHoareTripleChecker+Invalid, 7164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1772 IncrementalHoareTripleChecker+Valid, 5386 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-11-22 18:42:04,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2917 Valid, 2976 Invalid, 7164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1772 Valid, 5386 Invalid, 6 Unknown, 0 Unchecked, 16.9s Time] [2023-11-22 18:42:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states. [2023-11-22 18:42:04,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 2562. [2023-11-22 18:42:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2562 states, 1666 states have (on average 1.3343337334933973) internal successors, (2223), 1713 states have internal predecessors, (2223), 734 states have call successors, (734), 151 states have call predecessors, (734), 150 states have return successors, (732), 724 states have call predecessors, (732), 732 states have call successors, (732) [2023-11-22 18:42:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3689 transitions. [2023-11-22 18:42:04,186 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3689 transitions. Word has length 120 [2023-11-22 18:42:04,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:42:04,187 INFO L495 AbstractCegarLoop]: Abstraction has 2562 states and 3689 transitions. [2023-11-22 18:42:04,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 18:42:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3689 transitions. [2023-11-22 18:42:04,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-22 18:42:04,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:42:04,189 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:42:04,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-22 18:42:04,189 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:42:04,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:42:04,189 INFO L85 PathProgramCache]: Analyzing trace with hash -278510267, now seen corresponding path program 1 times [2023-11-22 18:42:04,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:42:04,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170300608] [2023-11-22 18:42:04,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:42:04,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:42:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:42:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:42:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:42:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:42:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:42:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:42:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:42:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:42:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:42:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:42:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:42:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:42:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:42:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:42:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:42:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:42:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 18:42:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 18:42:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-22 18:42:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-22 18:42:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:42:04,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:42:04,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170300608] [2023-11-22 18:42:04,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170300608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:42:04,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:42:04,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:42:04,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145341714] [2023-11-22 18:42:04,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:42:04,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:42:04,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:42:04,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:42:04,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:42:04,947 INFO L87 Difference]: Start difference. First operand 2562 states and 3689 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-22 18:42:06,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:08,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:10,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:13,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:42:17,134 INFO L93 Difference]: Finished difference Result 2562 states and 3689 transitions. [2023-11-22 18:42:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:42:17,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2023-11-22 18:42:17,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:42:17,160 INFO L225 Difference]: With dead ends: 2562 [2023-11-22 18:42:17,160 INFO L226 Difference]: Without dead ends: 2560 [2023-11-22 18:42:17,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:42:17,162 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 2557 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 2871 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2747 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 4261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2871 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-22 18:42:17,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2747 Valid, 2053 Invalid, 4261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2871 Invalid, 4 Unknown, 0 Unchecked, 11.9s Time] [2023-11-22 18:42:17,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-11-22 18:42:17,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 2560. [2023-11-22 18:42:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 1665 states have (on average 1.333933933933934) internal successors, (2221), 1711 states have internal predecessors, (2221), 734 states have call successors, (734), 151 states have call predecessors, (734), 150 states have return successors, (732), 724 states have call predecessors, (732), 732 states have call successors, (732) [2023-11-22 18:42:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3687 transitions. [2023-11-22 18:42:17,328 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3687 transitions. Word has length 104 [2023-11-22 18:42:17,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:42:17,329 INFO L495 AbstractCegarLoop]: Abstraction has 2560 states and 3687 transitions. [2023-11-22 18:42:17,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-22 18:42:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3687 transitions. [2023-11-22 18:42:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-22 18:42:17,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:42:17,332 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:42:17,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-22 18:42:17,333 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:42:17,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:42:17,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1349960873, now seen corresponding path program 1 times [2023-11-22 18:42:17,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:42:17,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415761959] [2023-11-22 18:42:17,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:42:17,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:42:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:17,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:42:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:42:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:42:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:42:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:42:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:42:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:42:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:42:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:42:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:42:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:42:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:42:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:42:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:42:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:42:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:42:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 18:42:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 18:42:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-22 18:42:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-22 18:42:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-22 18:42:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:42:18,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:42:18,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415761959] [2023-11-22 18:42:18,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415761959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:42:18,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:42:18,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:42:18,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159366353] [2023-11-22 18:42:18,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:42:18,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:42:18,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:42:18,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:42:18,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:42:18,098 INFO L87 Difference]: Start difference. First operand 2560 states and 3687 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 18:42:20,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:22,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:24,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:26,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:29,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:42:29,927 INFO L93 Difference]: Finished difference Result 2560 states and 3687 transitions. [2023-11-22 18:42:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:42:29,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2023-11-22 18:42:29,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:42:29,935 INFO L225 Difference]: With dead ends: 2560 [2023-11-22 18:42:29,935 INFO L226 Difference]: Without dead ends: 2558 [2023-11-22 18:42:29,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:42:29,936 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 2551 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 4257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2867 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-22 18:42:29,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 2053 Invalid, 4257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2867 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2023-11-22 18:42:29,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2023-11-22 18:42:30,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2558. [2023-11-22 18:42:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 1664 states have (on average 1.3335336538461537) internal successors, (2219), 1709 states have internal predecessors, (2219), 734 states have call successors, (734), 151 states have call predecessors, (734), 150 states have return successors, (732), 724 states have call predecessors, (732), 732 states have call successors, (732) [2023-11-22 18:42:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3685 transitions. [2023-11-22 18:42:30,137 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3685 transitions. Word has length 109 [2023-11-22 18:42:30,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:42:30,137 INFO L495 AbstractCegarLoop]: Abstraction has 2558 states and 3685 transitions. [2023-11-22 18:42:30,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-22 18:42:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3685 transitions. [2023-11-22 18:42:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-22 18:42:30,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:42:30,139 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:42:30,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-22 18:42:30,140 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:42:30,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:42:30,140 INFO L85 PathProgramCache]: Analyzing trace with hash 236176964, now seen corresponding path program 1 times [2023-11-22 18:42:30,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:42:30,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545601499] [2023-11-22 18:42:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:42:30,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:42:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:42:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:42:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:42:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:42:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:42:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:42:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:42:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:42:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:42:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:42:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:42:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:42:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:42:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:42:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:42:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:42:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 18:42:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 18:42:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-22 18:42:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-22 18:42:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-22 18:42:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-22 18:42:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:42:31,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:42:31,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545601499] [2023-11-22 18:42:31,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545601499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:42:31,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:42:31,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:42:31,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387844930] [2023-11-22 18:42:31,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:42:31,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:42:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:42:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:42:31,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:42:31,005 INFO L87 Difference]: Start difference. First operand 2558 states and 3685 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-22 18:42:33,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:35,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:37,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:39,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:43,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:42:43,479 INFO L93 Difference]: Finished difference Result 2558 states and 3685 transitions. [2023-11-22 18:42:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:42:43,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2023-11-22 18:42:43,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:42:43,486 INFO L225 Difference]: With dead ends: 2558 [2023-11-22 18:42:43,487 INFO L226 Difference]: Without dead ends: 2556 [2023-11-22 18:42:43,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-22 18:42:43,492 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 2545 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 2863 mSolverCounterSat, 1386 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2733 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 4253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2863 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-11-22 18:42:43,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2733 Valid, 2053 Invalid, 4253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2863 Invalid, 4 Unknown, 0 Unchecked, 12.1s Time] [2023-11-22 18:42:43,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2023-11-22 18:42:43,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2556. [2023-11-22 18:42:43,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 1663 states have (on average 1.333132892363199) internal successors, (2217), 1707 states have internal predecessors, (2217), 734 states have call successors, (734), 151 states have call predecessors, (734), 150 states have return successors, (732), 724 states have call predecessors, (732), 732 states have call successors, (732) [2023-11-22 18:42:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3683 transitions. [2023-11-22 18:42:43,710 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3683 transitions. Word has length 114 [2023-11-22 18:42:43,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:42:43,710 INFO L495 AbstractCegarLoop]: Abstraction has 2556 states and 3683 transitions. [2023-11-22 18:42:43,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-22 18:42:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3683 transitions. [2023-11-22 18:42:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-22 18:42:43,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:42:43,712 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2023-11-22 18:42:43,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-22 18:42:43,714 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2023-11-22 18:42:43,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:42:43,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1965592379, now seen corresponding path program 1 times [2023-11-22 18:42:43,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:42:43,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708503358] [2023-11-22 18:42:43,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:42:43,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:42:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:42:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-22 18:42:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-22 18:42:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-22 18:42:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-22 18:42:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:42:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 18:42:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-22 18:42:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-22 18:42:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-22 18:42:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-22 18:42:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-22 18:42:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-22 18:42:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-22 18:42:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-22 18:42:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-22 18:42:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-22 18:42:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-22 18:42:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-22 18:42:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-22 18:42:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-22 18:42:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-22 18:42:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-22 18:42:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:42:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-22 18:42:44,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:42:44,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708503358] [2023-11-22 18:42:44,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708503358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:42:44,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:42:44,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:42:44,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252922923] [2023-11-22 18:42:44,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:42:44,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:42:44,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:42:44,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:42:44,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:42:44,554 INFO L87 Difference]: Start difference. First operand 2556 states and 3683 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-22 18:42:46,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:48,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:50,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-22 18:42:52,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15