./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/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 ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.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.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f843593f0803d80f01f7de6a35e44c612d96487902b3c8b67a12b88481e60963 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:38:32,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:38:32,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:38:32,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:38:32,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:38:32,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:38:32,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:38:32,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:38:32,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:38:32,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:38:32,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:38:32,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:38:32,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:38:32,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:38:32,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:38:32,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:38:32,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:38:32,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:38:32,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:38:32,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:38:32,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:38:32,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:38:32,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:38:32,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:38:32,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:38:32,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:38:32,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:38:32,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:38:32,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:38:32,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:38:32,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:38:32,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:38:32,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:38:32,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:38:32,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:38:32,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:38:32,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:38:32,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:38:32,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:38:32,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:38:32,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:38:32,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:38:32,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:38:32,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:38:32,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:38:32,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:38:32,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:38:32,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:38:32,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:38:32,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:38:32,119 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:38:32,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:38:32,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:38:32,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:38:32,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:38:32,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:38:32,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:38:32,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:38:32,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:38:32,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:38:32,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:38:32,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:38:32,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:38:32,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:38:32,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:38:32,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:38:32,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:38:32,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:38:32,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:38:32,122 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:38:32,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:38:32,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:38:32,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:38:32,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f843593f0803d80f01f7de6a35e44c612d96487902b3c8b67a12b88481e60963 [2021-12-21 17:38:32,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:38:32,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:38:32,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:38:32,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:38:32,323 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:38:32,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i [2021-12-21 17:38:32,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e7ac0f5/f97edd39156a44b38c278b92eee47bbc/FLAGfbad30484 [2021-12-21 17:38:32,966 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:38:32,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i [2021-12-21 17:38:33,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e7ac0f5/f97edd39156a44b38c278b92eee47bbc/FLAGfbad30484 [2021-12-21 17:38:33,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e7ac0f5/f97edd39156a44b38c278b92eee47bbc [2021-12-21 17:38:33,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:38:33,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:38:33,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:38:33,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:38:33,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:38:33,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:38:33" (1/1) ... [2021-12-21 17:38:33,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a57263a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:33, skipping insertion in model container [2021-12-21 17:38:33,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:38:33" (1/1) ... [2021-12-21 17:38:33,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:38:33,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:38:35,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[291738,291751] [2021-12-21 17:38:35,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[291883,291896] [2021-12-21 17:38:35,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292029,292042] [2021-12-21 17:38:35,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292194,292207] [2021-12-21 17:38:35,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292352,292365] [2021-12-21 17:38:35,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292510,292523] [2021-12-21 17:38:35,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292668,292681] [2021-12-21 17:38:35,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292828,292841] [2021-12-21 17:38:35,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292987,293000] [2021-12-21 17:38:35,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293126,293139] [2021-12-21 17:38:35,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293268,293281] [2021-12-21 17:38:35,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293417,293430] [2021-12-21 17:38:35,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293556,293569] [2021-12-21 17:38:35,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293711,293724] [2021-12-21 17:38:35,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293871,293884] [2021-12-21 17:38:35,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294022,294035] [2021-12-21 17:38:35,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294173,294186] [2021-12-21 17:38:35,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294325,294338] [2021-12-21 17:38:35,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294474,294487] [2021-12-21 17:38:35,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294622,294635] [2021-12-21 17:38:35,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294779,294792] [2021-12-21 17:38:35,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294928,294941] [2021-12-21 17:38:35,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295084,295097] [2021-12-21 17:38:35,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295237,295250] [2021-12-21 17:38:35,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295383,295396] [2021-12-21 17:38:35,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295526,295539] [2021-12-21 17:38:35,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295678,295691] [2021-12-21 17:38:35,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295824,295837] [2021-12-21 17:38:35,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295969,295982] [2021-12-21 17:38:35,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296123,296136] [2021-12-21 17:38:35,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296274,296287] [2021-12-21 17:38:35,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296429,296442] [2021-12-21 17:38:35,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296581,296594] [2021-12-21 17:38:35,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296736,296749] [2021-12-21 17:38:35,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296900,296913] [2021-12-21 17:38:35,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297056,297069] [2021-12-21 17:38:35,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297220,297233] [2021-12-21 17:38:35,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297362,297375] [2021-12-21 17:38:35,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297520,297533] [2021-12-21 17:38:35,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297687,297700] [2021-12-21 17:38:35,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297846,297859] [2021-12-21 17:38:35,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298005,298018] [2021-12-21 17:38:35,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298154,298167] [2021-12-21 17:38:35,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298301,298314] [2021-12-21 17:38:35,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298440,298453] [2021-12-21 17:38:35,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298603,298616] [2021-12-21 17:38:35,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298769,298782] [2021-12-21 17:38:35,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298933,298946] [2021-12-21 17:38:35,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299098,299111] [2021-12-21 17:38:35,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299263,299276] [2021-12-21 17:38:35,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299429,299442] [2021-12-21 17:38:35,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299594,299607] [2021-12-21 17:38:35,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299761,299774] [2021-12-21 17:38:35,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299921,299934] [2021-12-21 17:38:35,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300083,300096] [2021-12-21 17:38:35,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300242,300255] [2021-12-21 17:38:35,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300388,300401] [2021-12-21 17:38:35,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300531,300544] [2021-12-21 17:38:35,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300675,300688] [2021-12-21 17:38:35,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300818,300831] [2021-12-21 17:38:35,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300962,300975] [2021-12-21 17:38:35,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301103,301116] [2021-12-21 17:38:35,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301241,301254] [2021-12-21 17:38:35,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301399,301412] [2021-12-21 17:38:35,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301558,301571] [2021-12-21 17:38:35,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301714,301727] [2021-12-21 17:38:35,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301863,301876] [2021-12-21 17:38:35,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302015,302028] [2021-12-21 17:38:35,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302166,302179] [2021-12-21 17:38:35,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302315,302328] [2021-12-21 17:38:35,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302467,302480] [2021-12-21 17:38:35,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302615,302628] [2021-12-21 17:38:35,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302768,302781] [2021-12-21 17:38:35,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302919,302932] [2021-12-21 17:38:35,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303069,303082] [2021-12-21 17:38:35,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303216,303229] [2021-12-21 17:38:35,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303367,303380] [2021-12-21 17:38:35,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303518,303531] [2021-12-21 17:38:35,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303666,303679] [2021-12-21 17:38:35,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303832,303845] [2021-12-21 17:38:35,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304001,304014] [2021-12-21 17:38:35,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304168,304181] [2021-12-21 17:38:35,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304336,304349] [2021-12-21 17:38:35,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304486,304499] [2021-12-21 17:38:35,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304633,304646] [2021-12-21 17:38:35,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304794,304807] [2021-12-21 17:38:35,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304964,304977] [2021-12-21 17:38:35,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[305126,305139] [2021-12-21 17:38:35,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:38:35,177 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:38:35,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[291738,291751] [2021-12-21 17:38:35,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[291883,291896] [2021-12-21 17:38:35,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292029,292042] [2021-12-21 17:38:35,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292194,292207] [2021-12-21 17:38:35,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292352,292365] [2021-12-21 17:38:35,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292510,292523] [2021-12-21 17:38:35,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292668,292681] [2021-12-21 17:38:35,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292828,292841] [2021-12-21 17:38:35,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292987,293000] [2021-12-21 17:38:35,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293126,293139] [2021-12-21 17:38:35,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293268,293281] [2021-12-21 17:38:35,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293417,293430] [2021-12-21 17:38:35,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293556,293569] [2021-12-21 17:38:35,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293711,293724] [2021-12-21 17:38:35,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293871,293884] [2021-12-21 17:38:35,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294022,294035] [2021-12-21 17:38:35,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294173,294186] [2021-12-21 17:38:35,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294325,294338] [2021-12-21 17:38:35,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294474,294487] [2021-12-21 17:38:35,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294622,294635] [2021-12-21 17:38:35,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294779,294792] [2021-12-21 17:38:35,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294928,294941] [2021-12-21 17:38:35,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295084,295097] [2021-12-21 17:38:35,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295237,295250] [2021-12-21 17:38:35,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295383,295396] [2021-12-21 17:38:35,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295526,295539] [2021-12-21 17:38:35,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295678,295691] [2021-12-21 17:38:35,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295824,295837] [2021-12-21 17:38:35,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295969,295982] [2021-12-21 17:38:35,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296123,296136] [2021-12-21 17:38:35,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296274,296287] [2021-12-21 17:38:35,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296429,296442] [2021-12-21 17:38:35,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296581,296594] [2021-12-21 17:38:35,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296736,296749] [2021-12-21 17:38:35,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296900,296913] [2021-12-21 17:38:35,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297056,297069] [2021-12-21 17:38:35,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297220,297233] [2021-12-21 17:38:35,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297362,297375] [2021-12-21 17:38:35,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297520,297533] [2021-12-21 17:38:35,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297687,297700] [2021-12-21 17:38:35,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297846,297859] [2021-12-21 17:38:35,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298005,298018] [2021-12-21 17:38:35,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298154,298167] [2021-12-21 17:38:35,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298301,298314] [2021-12-21 17:38:35,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298440,298453] [2021-12-21 17:38:35,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298603,298616] [2021-12-21 17:38:35,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298769,298782] [2021-12-21 17:38:35,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298933,298946] [2021-12-21 17:38:35,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299098,299111] [2021-12-21 17:38:35,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299263,299276] [2021-12-21 17:38:35,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299429,299442] [2021-12-21 17:38:35,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299594,299607] [2021-12-21 17:38:35,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299761,299774] [2021-12-21 17:38:35,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299921,299934] [2021-12-21 17:38:35,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300083,300096] [2021-12-21 17:38:35,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300242,300255] [2021-12-21 17:38:35,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300388,300401] [2021-12-21 17:38:35,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300531,300544] [2021-12-21 17:38:35,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300675,300688] [2021-12-21 17:38:35,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300818,300831] [2021-12-21 17:38:35,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300962,300975] [2021-12-21 17:38:35,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301103,301116] [2021-12-21 17:38:35,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301241,301254] [2021-12-21 17:38:35,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301399,301412] [2021-12-21 17:38:35,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301558,301571] [2021-12-21 17:38:35,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301714,301727] [2021-12-21 17:38:35,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301863,301876] [2021-12-21 17:38:35,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302015,302028] [2021-12-21 17:38:35,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302166,302179] [2021-12-21 17:38:35,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302315,302328] [2021-12-21 17:38:35,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302467,302480] [2021-12-21 17:38:35,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302615,302628] [2021-12-21 17:38:35,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302768,302781] [2021-12-21 17:38:35,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302919,302932] [2021-12-21 17:38:35,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303069,303082] [2021-12-21 17:38:35,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303216,303229] [2021-12-21 17:38:35,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303367,303380] [2021-12-21 17:38:35,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303518,303531] [2021-12-21 17:38:35,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303666,303679] [2021-12-21 17:38:35,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303832,303845] [2021-12-21 17:38:35,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304001,304014] [2021-12-21 17:38:35,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304168,304181] [2021-12-21 17:38:35,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304336,304349] [2021-12-21 17:38:35,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304486,304499] [2021-12-21 17:38:35,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304633,304646] [2021-12-21 17:38:35,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304794,304807] [2021-12-21 17:38:35,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304964,304977] [2021-12-21 17:38:35,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[305126,305139] [2021-12-21 17:38:35,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:38:35,520 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:38:35,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35 WrapperNode [2021-12-21 17:38:35,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:38:35,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:38:35,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:38:35,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:38:35,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,744 INFO L137 Inliner]: procedures = 519, calls = 2096, calls flagged for inlining = 234, calls inlined = 146, statements flattened = 3298 [2021-12-21 17:38:35,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:38:35,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:38:35,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:38:35,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:38:35,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:38:35,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:38:35,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:38:35,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:38:35,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (1/1) ... [2021-12-21 17:38:35,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:38:35,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:38:35,903 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) [2021-12-21 17:38:35,921 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 [2021-12-21 17:38:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-21 17:38:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-21 17:38:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-21 17:38:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-21 17:38:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:38:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:38:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:38:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:38:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-21 17:38:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-21 17:38:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure port100_send_cmd_async [2021-12-21 17:38:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_send_cmd_async [2021-12-21 17:38:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-21 17:38:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-21 17:38:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-21 17:38:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-21 17:38:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:38:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:38:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:38:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:38:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-21 17:38:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-21 17:38:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:38:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-21 17:38:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-21 17:38:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure port100_tg_send_cmd [2021-12-21 17:38:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_tg_send_cmd [2021-12-21 17:38:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:38:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:38:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-21 17:38:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-21 17:38:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:38:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:38:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-21 17:38:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-21 17:38:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:38:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-21 17:38:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-21 17:38:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:38:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:38:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-21 17:38:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-21 17:38:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure port100_alloc_skb [2021-12-21 17:38:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_alloc_skb [2021-12-21 17:38:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-21 17:38:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-21 17:38:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 17:38:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 17:38:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-21 17:38:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-21 17:38:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-21 17:38:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-21 17:38:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-21 17:38:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-21 17:38:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure port100_checksum [2021-12-21 17:38:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_checksum [2021-12-21 17:38:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:38:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:38:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:38:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:38:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:38:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_get_drvdata [2021-12-21 17:38:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_digital_get_drvdata [2021-12-21 17:38:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:38:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:38:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2021-12-21 17:38:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2021-12-21 17:38:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure port100_abort_cmd [2021-12-21 17:38:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_abort_cmd [2021-12-21 17:38:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-21 17:38:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-21 17:38:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 17:38:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 17:38:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-21 17:38:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-21 17:38:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure port100_send_cmd_sync [2021-12-21 17:38:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_send_cmd_sync [2021-12-21 17:38:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:38:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:38:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 17:38:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 17:38:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:38:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:38:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:38:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:38:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-21 17:38:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-21 17:38:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-21 17:38:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-21 17:38:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:38:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:38:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-21 17:38:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-21 17:38:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-21 17:38:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-21 17:38:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 17:38:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 17:38:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-21 17:38:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-21 17:38:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:38:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:38:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:38:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-21 17:38:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-21 17:38:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:38:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:38:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_free_device [2021-12-21 17:38:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_digital_free_device [2021-12-21 17:38:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 17:38:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 17:38:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-21 17:38:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-21 17:38:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-21 17:38:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-21 17:38:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:38:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:38:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:38:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:38:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-21 17:38:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-21 17:38:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-21 17:38:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-21 17:38:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-21 17:38:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-21 17:38:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-21 17:38:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-21 17:38:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-21 17:38:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-21 17:38:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-21 17:38:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-21 17:38:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-21 17:38:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-21 17:38:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:38:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:38:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:38:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-21 17:38:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-21 17:38:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure port100_data_checksum [2021-12-21 17:38:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_data_checksum [2021-12-21 17:38:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:38:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:38:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-21 17:38:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-21 17:38:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 17:38:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 17:38:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:38:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:38:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure port100_tg_configure_hw [2021-12-21 17:38:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_tg_configure_hw [2021-12-21 17:38:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure port100_disconnect [2021-12-21 17:38:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_disconnect [2021-12-21 17:38:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-21 17:38:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-21 17:38:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:38:36,413 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:38:36,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:38:36,526 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:38:45,226 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:38:45,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:38:45,243 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 17:38:45,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:38:45 BoogieIcfgContainer [2021-12-21 17:38:45,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:38:45,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:38:45,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:38:45,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:38:45,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:38:33" (1/3) ... [2021-12-21 17:38:45,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357c2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:38:45, skipping insertion in model container [2021-12-21 17:38:45,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:35" (2/3) ... [2021-12-21 17:38:45,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357c2a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:38:45, skipping insertion in model container [2021-12-21 17:38:45,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:38:45" (3/3) ... [2021-12-21 17:38:45,251 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--nfc--port100.ko.cil.i [2021-12-21 17:38:45,254 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:38:45,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-12-21 17:38:45,294 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:38:45,305 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 17:38:45,305 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-12-21 17:38:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 982 states, 644 states have (on average 1.2515527950310559) internal successors, (806), 680 states have internal predecessors, (806), 240 states have call successors, (240), 69 states have call predecessors, (240), 68 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) [2021-12-21 17:38:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-21 17:38:45,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:45,340 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:38:45,340 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:38:45,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash 648363002, now seen corresponding path program 1 times [2021-12-21 17:38:45,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:45,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875215516] [2021-12-21 17:38:45,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:45,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:38:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:38:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:38:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:38:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:38:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:38:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:45,855 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:38:45,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:45,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875215516] [2021-12-21 17:38:45,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875215516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:45,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:45,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:38:45,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091671647] [2021-12-21 17:38:45,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:45,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:38:45,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:45,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:38:45,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:38:45,879 INFO L87 Difference]: Start difference. First operand has 982 states, 644 states have (on average 1.2515527950310559) internal successors, (806), 680 states have internal predecessors, (806), 240 states have call successors, (240), 69 states have call predecessors, (240), 68 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-12-21 17:38:49,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:38:49,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:49,821 INFO L93 Difference]: Finished difference Result 1871 states and 2527 transitions. [2021-12-21 17:38:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:38:49,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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 71 [2021-12-21 17:38:49,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:49,846 INFO L225 Difference]: With dead ends: 1871 [2021-12-21 17:38:49,846 INFO L226 Difference]: Without dead ends: 965 [2021-12-21 17:38:49,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:38:49,857 INFO L933 BasicCegarLoop]: 1173 mSDtfsCounter, 1737 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 770 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 2658 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 770 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-21 17:38:49,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1891 Valid, 2658 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [770 Valid, 885 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-12-21 17:38:49,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2021-12-21 17:38:49,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2021-12-21 17:38:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 634 states have (on average 1.2018927444794953) internal successors, (762), 666 states have internal predecessors, (762), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:38:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1232 transitions. [2021-12-21 17:38:49,992 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1232 transitions. Word has length 71 [2021-12-21 17:38:49,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:49,993 INFO L470 AbstractCegarLoop]: Abstraction has 965 states and 1232 transitions. [2021-12-21 17:38:49,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-12-21 17:38:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1232 transitions. [2021-12-21 17:38:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-21 17:38:49,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:49,996 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:38:49,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:38:49,996 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:38:49,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:49,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1183208636, now seen corresponding path program 1 times [2021-12-21 17:38:49,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:49,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649801389] [2021-12-21 17:38:49,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:49,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:38:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:38:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:38:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:38:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:38:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:38:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:38:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:38:50,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:50,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649801389] [2021-12-21 17:38:50,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649801389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:50,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:50,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:38:50,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129147367] [2021-12-21 17:38:50,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:50,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:38:50,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:50,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:38:50,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:38:50,220 INFO L87 Difference]: Start difference. First operand 965 states and 1232 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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) [2021-12-21 17:38:53,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:38:53,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:53,940 INFO L93 Difference]: Finished difference Result 965 states and 1232 transitions. [2021-12-21 17:38:53,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:38:53,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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 77 [2021-12-21 17:38:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:53,947 INFO L225 Difference]: With dead ends: 965 [2021-12-21 17:38:53,947 INFO L226 Difference]: Without dead ends: 963 [2021-12-21 17:38:53,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:38:53,951 INFO L933 BasicCegarLoop]: 1155 mSDtfsCounter, 1705 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1856 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-21 17:38:53,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1856 Valid, 2622 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 873 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-12-21 17:38:53,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-12-21 17:38:53,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-12-21 17:38:53,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 633 states have (on average 1.2006319115323856) internal successors, (760), 664 states have internal predecessors, (760), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:38:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1230 transitions. [2021-12-21 17:38:53,993 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1230 transitions. Word has length 77 [2021-12-21 17:38:53,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:53,993 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1230 transitions. [2021-12-21 17:38:53,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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) [2021-12-21 17:38:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1230 transitions. [2021-12-21 17:38:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-21 17:38:53,995 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:53,996 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:38:53,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:38:53,996 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:38:53,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1480982524, now seen corresponding path program 1 times [2021-12-21 17:38:53,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:53,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710076875] [2021-12-21 17:38:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:53,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:38:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:38:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:38:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:38:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:38:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:38:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:38:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:38:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:38:54,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:54,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710076875] [2021-12-21 17:38:54,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710076875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:54,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:54,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:38:54,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588486449] [2021-12-21 17:38:54,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:54,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:38:54,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:54,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:38:54,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:38:54,212 INFO L87 Difference]: Start difference. First operand 963 states and 1230 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-12-21 17:38:57,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:38:58,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:58,061 INFO L93 Difference]: Finished difference Result 963 states and 1230 transitions. [2021-12-21 17:38:58,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:38:58,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 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 83 [2021-12-21 17:38:58,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:58,067 INFO L225 Difference]: With dead ends: 963 [2021-12-21 17:38:58,067 INFO L226 Difference]: Without dead ends: 961 [2021-12-21 17:38:58,067 INFO L932 BasicCegarLoop]: 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 [2021-12-21 17:38:58,068 INFO L933 BasicCegarLoop]: 1153 mSDtfsCounter, 1699 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 2620 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-21 17:38:58,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 2620 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 871 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-12-21 17:38:58,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2021-12-21 17:38:58,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2021-12-21 17:38:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 632 states have (on average 1.1993670886075949) internal successors, (758), 662 states have internal predecessors, (758), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:38:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1228 transitions. [2021-12-21 17:38:58,124 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1228 transitions. Word has length 83 [2021-12-21 17:38:58,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:58,125 INFO L470 AbstractCegarLoop]: Abstraction has 961 states and 1228 transitions. [2021-12-21 17:38:58,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-12-21 17:38:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1228 transitions. [2021-12-21 17:38:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-21 17:38:58,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:58,135 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:38:58,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:38:58,135 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:38:58,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:58,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1791490699, now seen corresponding path program 1 times [2021-12-21 17:38:58,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:58,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348669747] [2021-12-21 17:38:58,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:58,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:38:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:38:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:38:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:38:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:38:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:38:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:38:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:38:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:38:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:38:58,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:58,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348669747] [2021-12-21 17:38:58,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348669747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:58,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:58,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:38:58,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039300068] [2021-12-21 17:38:58,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:58,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:38:58,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:58,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:38:58,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:38:58,361 INFO L87 Difference]: Start difference. First operand 961 states and 1228 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-12-21 17:39:00,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:39:01,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:01,309 INFO L93 Difference]: Finished difference Result 961 states and 1228 transitions. [2021-12-21 17:39:01,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:01,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 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 89 [2021-12-21 17:39:01,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:01,316 INFO L225 Difference]: With dead ends: 961 [2021-12-21 17:39:01,317 INFO L226 Difference]: Without dead ends: 959 [2021-12-21 17:39:01,317 INFO L932 BasicCegarLoop]: 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 [2021-12-21 17:39:01,318 INFO L933 BasicCegarLoop]: 1151 mSDtfsCounter, 1693 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1842 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:01,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1842 Valid, 2618 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-21 17:39:01,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2021-12-21 17:39:01,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2021-12-21 17:39:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 631 states have (on average 1.1980982567353406) internal successors, (756), 660 states have internal predecessors, (756), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1226 transitions. [2021-12-21 17:39:01,348 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1226 transitions. Word has length 89 [2021-12-21 17:39:01,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:01,348 INFO L470 AbstractCegarLoop]: Abstraction has 959 states and 1226 transitions. [2021-12-21 17:39:01,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-12-21 17:39:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1226 transitions. [2021-12-21 17:39:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-21 17:39:01,349 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:01,349 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:01,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 17:39:01,350 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:01,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:01,350 INFO L85 PathProgramCache]: Analyzing trace with hash -412006016, now seen corresponding path program 1 times [2021-12-21 17:39:01,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:01,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558840156] [2021-12-21 17:39:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:01,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:01,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:01,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558840156] [2021-12-21 17:39:01,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558840156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:01,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:01,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:01,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373166986] [2021-12-21 17:39:01,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:01,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:01,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:01,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:01,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:01,544 INFO L87 Difference]: Start difference. First operand 959 states and 1226 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, (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) [2021-12-21 17:39:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:03,992 INFO L93 Difference]: Finished difference Result 959 states and 1226 transitions. [2021-12-21 17:39:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:03,992 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, (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 95 [2021-12-21 17:39:03,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:03,995 INFO L225 Difference]: With dead ends: 959 [2021-12-21 17:39:03,996 INFO L226 Difference]: Without dead ends: 957 [2021-12-21 17:39:03,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:03,996 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1687 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 2616 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:03,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1835 Valid, 2616 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-21 17:39:03,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2021-12-21 17:39:04,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2021-12-21 17:39:04,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 630 states have (on average 1.1968253968253968) internal successors, (754), 658 states have internal predecessors, (754), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1224 transitions. [2021-12-21 17:39:04,030 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1224 transitions. Word has length 95 [2021-12-21 17:39:04,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:04,031 INFO L470 AbstractCegarLoop]: Abstraction has 957 states and 1224 transitions. [2021-12-21 17:39:04,031 INFO L471 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, (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) [2021-12-21 17:39:04,031 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1224 transitions. [2021-12-21 17:39:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-21 17:39:04,032 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:04,032 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:04,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 17:39:04,032 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:04,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:04,033 INFO L85 PathProgramCache]: Analyzing trace with hash -402842009, now seen corresponding path program 1 times [2021-12-21 17:39:04,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:04,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787252369] [2021-12-21 17:39:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:04,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:39:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:04,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:04,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787252369] [2021-12-21 17:39:04,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787252369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:04,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:04,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:04,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387692269] [2021-12-21 17:39:04,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:04,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:04,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:04,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:04,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:04,257 INFO L87 Difference]: Start difference. First operand 957 states and 1224 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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) [2021-12-21 17:39:06,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:39:07,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:07,334 INFO L93 Difference]: Finished difference Result 957 states and 1224 transitions. [2021-12-21 17:39:07,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:07,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 101 [2021-12-21 17:39:07,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:07,339 INFO L225 Difference]: With dead ends: 957 [2021-12-21 17:39:07,339 INFO L226 Difference]: Without dead ends: 955 [2021-12-21 17:39:07,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:07,340 INFO L933 BasicCegarLoop]: 1147 mSDtfsCounter, 1681 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:07,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1828 Valid, 2614 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-21 17:39:07,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2021-12-21 17:39:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2021-12-21 17:39:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 629 states have (on average 1.1955484896661368) internal successors, (752), 656 states have internal predecessors, (752), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:07,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1222 transitions. [2021-12-21 17:39:07,367 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1222 transitions. Word has length 101 [2021-12-21 17:39:07,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:07,368 INFO L470 AbstractCegarLoop]: Abstraction has 955 states and 1222 transitions. [2021-12-21 17:39:07,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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) [2021-12-21 17:39:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1222 transitions. [2021-12-21 17:39:07,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-21 17:39:07,369 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:07,369 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:07,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 17:39:07,369 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:07,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:07,370 INFO L85 PathProgramCache]: Analyzing trace with hash 373267383, now seen corresponding path program 1 times [2021-12-21 17:39:07,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:07,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790984541] [2021-12-21 17:39:07,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:07,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:39:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 17:39:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:07,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:07,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790984541] [2021-12-21 17:39:07,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790984541] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:07,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:07,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:07,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127008962] [2021-12-21 17:39:07,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:07,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:07,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:07,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:07,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:07,582 INFO L87 Difference]: Start difference. First operand 955 states and 1222 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 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) [2021-12-21 17:39:09,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:09,746 INFO L93 Difference]: Finished difference Result 955 states and 1222 transitions. [2021-12-21 17:39:09,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:09,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 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 107 [2021-12-21 17:39:09,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:09,750 INFO L225 Difference]: With dead ends: 955 [2021-12-21 17:39:09,750 INFO L226 Difference]: Without dead ends: 953 [2021-12-21 17:39:09,751 INFO L932 BasicCegarLoop]: 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 [2021-12-21 17:39:09,751 INFO L933 BasicCegarLoop]: 1145 mSDtfsCounter, 1675 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 2612 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:09,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 2612 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-21 17:39:09,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2021-12-21 17:39:09,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2021-12-21 17:39:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 628 states have (on average 1.194267515923567) internal successors, (750), 654 states have internal predecessors, (750), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1220 transitions. [2021-12-21 17:39:09,779 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1220 transitions. Word has length 107 [2021-12-21 17:39:09,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:09,779 INFO L470 AbstractCegarLoop]: Abstraction has 953 states and 1220 transitions. [2021-12-21 17:39:09,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 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) [2021-12-21 17:39:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1220 transitions. [2021-12-21 17:39:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-21 17:39:09,780 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:09,780 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:09,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 17:39:09,781 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:09,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:09,781 INFO L85 PathProgramCache]: Analyzing trace with hash -174658956, now seen corresponding path program 1 times [2021-12-21 17:39:09,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:09,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888835930] [2021-12-21 17:39:09,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:09,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:39:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 17:39:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 17:39:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:09,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:09,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888835930] [2021-12-21 17:39:09,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888835930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:09,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:09,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:09,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017025017] [2021-12-21 17:39:09,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:09,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:09,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:09,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:09,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:09,993 INFO L87 Difference]: Start difference. First operand 953 states and 1220 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, (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) [2021-12-21 17:39:13,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:39:13,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:13,652 INFO L93 Difference]: Finished difference Result 953 states and 1220 transitions. [2021-12-21 17:39:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:13,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 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 113 [2021-12-21 17:39:13,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:13,656 INFO L225 Difference]: With dead ends: 953 [2021-12-21 17:39:13,656 INFO L226 Difference]: Without dead ends: 951 [2021-12-21 17:39:13,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:13,657 INFO L933 BasicCegarLoop]: 1143 mSDtfsCounter, 1673 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 2610 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:13,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1818 Valid, 2610 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 857 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-12-21 17:39:13,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2021-12-21 17:39:13,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 951. [2021-12-21 17:39:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 627 states have (on average 1.1929824561403508) internal successors, (748), 652 states have internal predecessors, (748), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1218 transitions. [2021-12-21 17:39:13,684 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1218 transitions. Word has length 113 [2021-12-21 17:39:13,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:13,684 INFO L470 AbstractCegarLoop]: Abstraction has 951 states and 1218 transitions. [2021-12-21 17:39:13,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-12-21 17:39:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1218 transitions. [2021-12-21 17:39:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-21 17:39:13,686 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:13,686 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:13,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 17:39:13,686 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:13,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:13,686 INFO L85 PathProgramCache]: Analyzing trace with hash -343397577, now seen corresponding path program 1 times [2021-12-21 17:39:13,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:13,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58741196] [2021-12-21 17:39:13,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:13,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:39:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 17:39:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 17:39:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:13,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:13,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58741196] [2021-12-21 17:39:13,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58741196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:13,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:13,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:13,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964060622] [2021-12-21 17:39:13,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:13,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:13,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:13,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:13,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:13,871 INFO L87 Difference]: Start difference. First operand 951 states and 1218 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (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) [2021-12-21 17:39:15,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:15,893 INFO L93 Difference]: Finished difference Result 951 states and 1218 transitions. [2021-12-21 17:39:15,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:15,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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 115 [2021-12-21 17:39:15,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:15,897 INFO L225 Difference]: With dead ends: 951 [2021-12-21 17:39:15,897 INFO L226 Difference]: Without dead ends: 949 [2021-12-21 17:39:15,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:15,898 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 1661 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1806 SdHoareTripleChecker+Valid, 2608 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:15,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1806 Valid, 2608 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-21 17:39:15,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2021-12-21 17:39:15,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2021-12-21 17:39:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 626 states have (on average 1.1916932907348243) internal successors, (746), 650 states have internal predecessors, (746), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1216 transitions. [2021-12-21 17:39:15,927 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1216 transitions. Word has length 115 [2021-12-21 17:39:15,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:15,927 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1216 transitions. [2021-12-21 17:39:15,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-12-21 17:39:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1216 transitions. [2021-12-21 17:39:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-21 17:39:15,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:15,929 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:15,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 17:39:15,929 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:15,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:15,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1822490743, now seen corresponding path program 1 times [2021-12-21 17:39:15,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:15,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672868156] [2021-12-21 17:39:15,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:15,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:39:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 17:39:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 17:39:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 17:39:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:16,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:16,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672868156] [2021-12-21 17:39:16,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672868156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:16,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:16,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:16,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399506513] [2021-12-21 17:39:16,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:16,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:16,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:16,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:16,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:16,158 INFO L87 Difference]: Start difference. First operand 949 states and 1216 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-12-21 17:39:19,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:39:19,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:19,905 INFO L93 Difference]: Finished difference Result 949 states and 1216 transitions. [2021-12-21 17:39:19,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:19,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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 121 [2021-12-21 17:39:19,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:19,909 INFO L225 Difference]: With dead ends: 949 [2021-12-21 17:39:19,910 INFO L226 Difference]: Without dead ends: 947 [2021-12-21 17:39:19,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:19,911 INFO L933 BasicCegarLoop]: 1139 mSDtfsCounter, 1657 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:19,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1801 Valid, 2606 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 857 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-12-21 17:39:19,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2021-12-21 17:39:19,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 947. [2021-12-21 17:39:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 625 states have (on average 1.1904) internal successors, (744), 648 states have internal predecessors, (744), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1214 transitions. [2021-12-21 17:39:19,941 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1214 transitions. Word has length 121 [2021-12-21 17:39:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:19,941 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1214 transitions. [2021-12-21 17:39:19,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-12-21 17:39:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1214 transitions. [2021-12-21 17:39:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-21 17:39:19,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:19,943 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:19,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 17:39:19,943 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:19,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:19,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1748395908, now seen corresponding path program 1 times [2021-12-21 17:39:19,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:19,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263887627] [2021-12-21 17:39:19,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:19,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 17:39:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 17:39:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 17:39:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 17:39:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 17:39:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 17:39:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 17:39:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 17:39:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-12-21 17:39:20,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:20,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263887627] [2021-12-21 17:39:20,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263887627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:20,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:20,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:20,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163665383] [2021-12-21 17:39:20,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:20,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:20,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:20,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:20,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:20,262 INFO L87 Difference]: Start difference. First operand 947 states and 1214 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-21 17:39:23,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:39:24,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:24,161 INFO L93 Difference]: Finished difference Result 1335 states and 1699 transitions. [2021-12-21 17:39:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 17:39:24,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 167 [2021-12-21 17:39:24,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:24,167 INFO L225 Difference]: With dead ends: 1335 [2021-12-21 17:39:24,167 INFO L226 Difference]: Without dead ends: 1013 [2021-12-21 17:39:24,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:39:24,168 INFO L933 BasicCegarLoop]: 998 mSDtfsCounter, 2050 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 1162 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2223 SdHoareTripleChecker+Valid, 2038 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1162 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:24,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2223 Valid, 2038 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1162 Valid, 964 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-12-21 17:39:24,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2021-12-21 17:39:24,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 943. [2021-12-21 17:39:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 622 states have (on average 1.1881028938906752) internal successors, (739), 644 states have internal predecessors, (739), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1209 transitions. [2021-12-21 17:39:24,216 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1209 transitions. Word has length 167 [2021-12-21 17:39:24,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:24,216 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1209 transitions. [2021-12-21 17:39:24,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-21 17:39:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1209 transitions. [2021-12-21 17:39:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-21 17:39:24,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:24,218 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:24,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 17:39:24,218 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:24,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:24,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1537813603, now seen corresponding path program 1 times [2021-12-21 17:39:24,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:24,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556586015] [2021-12-21 17:39:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:24,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:39:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 17:39:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 17:39:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 17:39:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 17:39:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:24,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:24,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556586015] [2021-12-21 17:39:24,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556586015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:24,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:24,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:24,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683703744] [2021-12-21 17:39:24,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:24,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:24,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:24,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:24,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:24,424 INFO L87 Difference]: Start difference. First operand 943 states and 1209 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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) [2021-12-21 17:39:27,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:39:28,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:28,117 INFO L93 Difference]: Finished difference Result 943 states and 1209 transitions. [2021-12-21 17:39:28,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:28,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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 127 [2021-12-21 17:39:28,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:28,121 INFO L225 Difference]: With dead ends: 943 [2021-12-21 17:39:28,121 INFO L226 Difference]: Without dead ends: 941 [2021-12-21 17:39:28,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:28,122 INFO L933 BasicCegarLoop]: 1132 mSDtfsCounter, 1646 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:28,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1789 Valid, 2585 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 854 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-12-21 17:39:28,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2021-12-21 17:39:28,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 941. [2021-12-21 17:39:28,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 621 states have (on average 1.1867954911433172) internal successors, (737), 642 states have internal predecessors, (737), 236 states have call successors, (236), 68 states have call predecessors, (236), 67 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-21 17:39:28,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1207 transitions. [2021-12-21 17:39:28,178 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1207 transitions. Word has length 127 [2021-12-21 17:39:28,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:28,178 INFO L470 AbstractCegarLoop]: Abstraction has 941 states and 1207 transitions. [2021-12-21 17:39:28,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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) [2021-12-21 17:39:28,179 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1207 transitions. [2021-12-21 17:39:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-21 17:39:28,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:28,180 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:28,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 17:39:28,180 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:28,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:28,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1528046547, now seen corresponding path program 1 times [2021-12-21 17:39:28,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:28,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420132398] [2021-12-21 17:39:28,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:28,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 17:39:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 17:39:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 17:39:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 17:39:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 17:39:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:39:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:39:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 17:39:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 17:39:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 17:39:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-21 17:39:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-12-21 17:39:28,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:28,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420132398] [2021-12-21 17:39:28,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420132398] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 17:39:28,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016638618] [2021-12-21 17:39:28,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:28,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 17:39:28,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:39:28,439 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) [2021-12-21 17:39:28,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 17:39:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 17:39:29,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 17:39:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-21 17:39:29,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 17:39:29,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016638618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:29,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 17:39:29,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-21 17:39:29,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332908095] [2021-12-21 17:39:29,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:29,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 17:39:29,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:29,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 17:39:29,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:29,315 INFO L87 Difference]: Start difference. First operand 941 states and 1207 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-21 17:39:29,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:29,387 INFO L93 Difference]: Finished difference Result 1306 states and 1629 transitions. [2021-12-21 17:39:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 17:39:29,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2021-12-21 17:39:29,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:29,392 INFO L225 Difference]: With dead ends: 1306 [2021-12-21 17:39:29,392 INFO L226 Difference]: Without dead ends: 993 [2021-12-21 17:39:29,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:29,393 INFO L933 BasicCegarLoop]: 1266 mSDtfsCounter, 1173 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:29,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1173 Valid, 1333 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 17:39:29,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-12-21 17:39:29,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 990. [2021-12-21 17:39:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 650 states have (on average 1.18) internal successors, (767), 674 states have internal predecessors, (767), 251 states have call successors, (251), 74 states have call predecessors, (251), 73 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2021-12-21 17:39:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1267 transitions. [2021-12-21 17:39:29,434 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1267 transitions. Word has length 173 [2021-12-21 17:39:29,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:29,434 INFO L470 AbstractCegarLoop]: Abstraction has 990 states and 1267 transitions. [2021-12-21 17:39:29,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-21 17:39:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1267 transitions. [2021-12-21 17:39:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-21 17:39:29,436 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:29,436 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:29,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 17:39:29,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-21 17:39:29,651 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:29,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:29,652 INFO L85 PathProgramCache]: Analyzing trace with hash -818379709, now seen corresponding path program 1 times [2021-12-21 17:39:29,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:29,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457717273] [2021-12-21 17:39:29,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:29,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:39:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 17:39:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 17:39:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 17:39:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 17:39:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-21 17:39:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:29,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:29,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457717273] [2021-12-21 17:39:29,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457717273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:29,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:29,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:29,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776667376] [2021-12-21 17:39:29,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:29,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:29,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:29,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:29,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:29,866 INFO L87 Difference]: Start difference. First operand 990 states and 1267 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-12-21 17:39:32,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:39:32,316 INFO L93 Difference]: Finished difference Result 990 states and 1267 transitions. [2021-12-21 17:39:32,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:39:32,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 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 133 [2021-12-21 17:39:32,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:39:32,320 INFO L225 Difference]: With dead ends: 990 [2021-12-21 17:39:32,320 INFO L226 Difference]: Without dead ends: 988 [2021-12-21 17:39:32,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-21 17:39:32,321 INFO L933 BasicCegarLoop]: 1125 mSDtfsCounter, 1635 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 2564 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-21 17:39:32,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 2564 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-21 17:39:32,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2021-12-21 17:39:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 988. [2021-12-21 17:39:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 649 states have (on average 1.1787365177195686) internal successors, (765), 672 states have internal predecessors, (765), 251 states have call successors, (251), 74 states have call predecessors, (251), 73 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2021-12-21 17:39:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1265 transitions. [2021-12-21 17:39:32,360 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1265 transitions. Word has length 133 [2021-12-21 17:39:32,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:39:32,361 INFO L470 AbstractCegarLoop]: Abstraction has 988 states and 1265 transitions. [2021-12-21 17:39:32,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-12-21 17:39:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1265 transitions. [2021-12-21 17:39:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-21 17:39:32,362 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:39:32,362 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:39:32,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 17:39:32,362 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-21 17:39:32,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:39:32,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1595928127, now seen corresponding path program 1 times [2021-12-21 17:39:32,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:39:32,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045481484] [2021-12-21 17:39:32,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:39:32,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:39:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:39:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 17:39:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 17:39:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:39:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 17:39:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 17:39:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:39:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:39:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 17:39:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:39:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 17:39:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 17:39:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 17:39:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 17:39:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:39:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 17:39:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 17:39:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 17:39:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 17:39:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-21 17:39:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-21 17:39:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:39:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 17:39:32,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:39:32,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045481484] [2021-12-21 17:39:32,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045481484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:39:32,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:39:32,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:39:32,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643205570] [2021-12-21 17:39:32,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:39:32,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:39:32,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:39:32,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:39:32,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:39:32,556 INFO L87 Difference]: Start difference. First operand 988 states and 1265 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 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)