./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 05:25:16,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:25:16,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:25:16,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:25:16,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:25:16,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:25:16,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:25:16,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:25:16,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:25:16,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:25:16,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:25:16,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:25:16,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:25:16,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:25:16,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:25:16,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:25:16,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:25:16,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:25:16,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:25:16,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:25:16,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:25:16,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:25:16,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:25:16,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:25:16,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:25:16,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:25:16,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:25:16,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:25:16,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:25:16,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:25:16,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:25:16,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:25:16,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:25:16,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:25:16,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:25:16,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:25:16,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:25:16,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:25:16,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:25:16,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:25:16,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:25:16,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:25:16,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:25:16,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:25:16,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:25:16,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:25:16,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:25:16,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:25:16,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:25:16,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:25:16,190 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:25:16,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:25:16,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:25:16,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:25:16,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:25:16,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:25:16,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:25:16,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:25:16,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:25:16,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:25:16,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:25:16,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:25:16,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:25:16,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:25:16,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:25:16,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:25:16,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:25:16,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:25:16,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:25:16,193 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:25:16,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:25:16,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:25:16,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:25:16,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f843593f0803d80f01f7de6a35e44c612d96487902b3c8b67a12b88481e60963 [2021-12-16 05:25:16,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:25:16,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:25:16,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:25:16,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:25:16,409 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:25:16,410 INFO L432 ainManager$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 [2021-12-16 05:25:16,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c49cd62c/e4869602d9154e6e9a44aff912cdf38e/FLAGde6968cab [2021-12-16 05:25:17,048 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:25:17,049 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 [2021-12-16 05:25:17,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c49cd62c/e4869602d9154e6e9a44aff912cdf38e/FLAGde6968cab [2021-12-16 05:25:17,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c49cd62c/e4869602d9154e6e9a44aff912cdf38e [2021-12-16 05:25:17,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:25:17,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:25:17,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:25:17,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:25:17,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:25:17,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:25:17" (1/1) ... [2021-12-16 05:25:17,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642c11bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:17, skipping insertion in model container [2021-12-16 05:25:17,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:25:17" (1/1) ... [2021-12-16 05:25:17,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:25:17,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:25:19,070 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] [2021-12-16 05:25:19,074 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] [2021-12-16 05:25:19,075 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] [2021-12-16 05:25:19,079 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] [2021-12-16 05:25:19,080 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] [2021-12-16 05:25:19,081 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[292510,292523] [2021-12-16 05:25:19,081 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[292668,292681] [2021-12-16 05:25:19,081 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[292828,292841] [2021-12-16 05:25:19,081 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[292987,293000] [2021-12-16 05:25:19,082 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] [2021-12-16 05:25:19,086 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[293268,293281] [2021-12-16 05:25:19,087 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] [2021-12-16 05:25:19,093 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] [2021-12-16 05:25:19,094 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] [2021-12-16 05:25:19,094 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] [2021-12-16 05:25:19,095 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[294022,294035] [2021-12-16 05:25:19,096 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[294173,294186] [2021-12-16 05:25:19,096 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[294325,294338] [2021-12-16 05:25:19,097 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[294474,294487] [2021-12-16 05:25:19,097 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[294622,294635] [2021-12-16 05:25:19,103 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] [2021-12-16 05:25:19,103 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] [2021-12-16 05:25:19,104 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[295084,295097] [2021-12-16 05:25:19,105 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[295237,295250] [2021-12-16 05:25:19,105 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[295383,295396] [2021-12-16 05:25:19,106 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[295526,295539] [2021-12-16 05:25:19,106 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[295678,295691] [2021-12-16 05:25:19,106 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[295824,295837] [2021-12-16 05:25:19,106 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[295969,295982] [2021-12-16 05:25:19,107 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[296123,296136] [2021-12-16 05:25:19,108 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[296274,296287] [2021-12-16 05:25:19,108 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[296429,296442] [2021-12-16 05:25:19,109 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[296581,296594] [2021-12-16 05:25:19,109 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[296736,296749] [2021-12-16 05:25:19,111 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[296900,296913] [2021-12-16 05:25:19,111 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[297056,297069] [2021-12-16 05:25:19,111 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[297220,297233] [2021-12-16 05:25:19,112 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[297362,297375] [2021-12-16 05:25:19,112 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[297520,297533] [2021-12-16 05:25:19,112 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[297687,297700] [2021-12-16 05:25:19,113 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[297846,297859] [2021-12-16 05:25:19,113 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[298005,298018] [2021-12-16 05:25:19,113 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[298154,298167] [2021-12-16 05:25:19,114 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[298301,298314] [2021-12-16 05:25:19,114 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[298440,298453] [2021-12-16 05:25:19,115 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[298603,298616] [2021-12-16 05:25:19,115 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[298769,298782] [2021-12-16 05:25:19,115 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[298933,298946] [2021-12-16 05:25:19,116 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[299098,299111] [2021-12-16 05:25:19,117 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[299263,299276] [2021-12-16 05:25:19,117 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[299429,299442] [2021-12-16 05:25:19,117 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[299594,299607] [2021-12-16 05:25:19,117 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[299761,299774] [2021-12-16 05:25:19,118 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[299921,299934] [2021-12-16 05:25:19,118 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[300083,300096] [2021-12-16 05:25:19,118 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[300242,300255] [2021-12-16 05:25:19,119 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[300388,300401] [2021-12-16 05:25:19,119 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[300531,300544] [2021-12-16 05:25:19,119 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[300675,300688] [2021-12-16 05:25:19,119 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[300818,300831] [2021-12-16 05:25:19,120 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[300962,300975] [2021-12-16 05:25:19,120 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[301103,301116] [2021-12-16 05:25:19,120 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[301241,301254] [2021-12-16 05:25:19,121 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[301399,301412] [2021-12-16 05:25:19,121 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[301558,301571] [2021-12-16 05:25:19,122 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[301714,301727] [2021-12-16 05:25:19,122 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[301863,301876] [2021-12-16 05:25:19,122 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[302015,302028] [2021-12-16 05:25:19,122 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[302166,302179] [2021-12-16 05:25:19,123 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[302315,302328] [2021-12-16 05:25:19,123 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[302467,302480] [2021-12-16 05:25:19,123 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[302615,302628] [2021-12-16 05:25:19,123 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[302768,302781] [2021-12-16 05:25:19,124 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[302919,302932] [2021-12-16 05:25:19,124 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[303069,303082] [2021-12-16 05:25:19,124 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[303216,303229] [2021-12-16 05:25:19,124 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[303367,303380] [2021-12-16 05:25:19,125 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[303518,303531] [2021-12-16 05:25:19,125 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[303666,303679] [2021-12-16 05:25:19,125 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[303832,303845] [2021-12-16 05:25:19,126 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[304001,304014] [2021-12-16 05:25:19,126 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[304168,304181] [2021-12-16 05:25:19,126 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[304336,304349] [2021-12-16 05:25:19,126 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[304486,304499] [2021-12-16 05:25:19,127 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[304633,304646] [2021-12-16 05:25:19,127 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[304794,304807] [2021-12-16 05:25:19,128 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[304964,304977] [2021-12-16 05:25:19,128 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[305126,305139] [2021-12-16 05:25:19,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:25:19,184 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:25:19,406 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] [2021-12-16 05:25:19,407 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] [2021-12-16 05:25:19,408 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] [2021-12-16 05:25:19,408 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] [2021-12-16 05:25:19,409 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] [2021-12-16 05:25:19,412 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] [2021-12-16 05:25:19,413 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] [2021-12-16 05:25:19,413 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] [2021-12-16 05:25:19,414 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] [2021-12-16 05:25:19,414 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] [2021-12-16 05:25:19,414 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] [2021-12-16 05:25:19,415 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] [2021-12-16 05:25:19,415 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] [2021-12-16 05:25:19,415 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] [2021-12-16 05:25:19,415 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] [2021-12-16 05:25:19,416 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] [2021-12-16 05:25:19,416 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] [2021-12-16 05:25:19,416 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] [2021-12-16 05:25:19,416 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] [2021-12-16 05:25:19,417 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] [2021-12-16 05:25:19,417 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] [2021-12-16 05:25:19,418 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] [2021-12-16 05:25:19,419 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] [2021-12-16 05:25:19,419 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] [2021-12-16 05:25:19,420 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] [2021-12-16 05:25:19,420 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] [2021-12-16 05:25:19,420 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] [2021-12-16 05:25:19,420 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] [2021-12-16 05:25:19,421 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] [2021-12-16 05:25:19,421 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] [2021-12-16 05:25:19,421 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] [2021-12-16 05:25:19,421 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] [2021-12-16 05:25:19,422 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] [2021-12-16 05:25:19,422 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] [2021-12-16 05:25:19,422 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] [2021-12-16 05:25:19,423 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] [2021-12-16 05:25:19,423 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] [2021-12-16 05:25:19,423 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] [2021-12-16 05:25:19,423 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] [2021-12-16 05:25:19,424 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] [2021-12-16 05:25:19,425 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] [2021-12-16 05:25:19,425 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] [2021-12-16 05:25:19,425 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] [2021-12-16 05:25:19,426 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] [2021-12-16 05:25:19,426 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] [2021-12-16 05:25:19,426 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] [2021-12-16 05:25:19,426 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] [2021-12-16 05:25:19,427 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] [2021-12-16 05:25:19,427 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] [2021-12-16 05:25:19,427 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] [2021-12-16 05:25:19,428 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] [2021-12-16 05:25:19,428 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] [2021-12-16 05:25:19,428 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] [2021-12-16 05:25:19,428 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] [2021-12-16 05:25:19,429 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] [2021-12-16 05:25:19,429 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] [2021-12-16 05:25:19,429 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] [2021-12-16 05:25:19,429 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] [2021-12-16 05:25:19,430 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] [2021-12-16 05:25:19,431 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] [2021-12-16 05:25:19,431 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] [2021-12-16 05:25:19,431 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] [2021-12-16 05:25:19,432 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] [2021-12-16 05:25:19,434 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] [2021-12-16 05:25:19,434 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] [2021-12-16 05:25:19,435 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] [2021-12-16 05:25:19,435 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] [2021-12-16 05:25:19,436 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] [2021-12-16 05:25:19,439 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] [2021-12-16 05:25:19,439 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] [2021-12-16 05:25:19,439 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] [2021-12-16 05:25:19,440 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] [2021-12-16 05:25:19,444 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] [2021-12-16 05:25:19,444 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] [2021-12-16 05:25:19,444 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] [2021-12-16 05:25:19,445 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] [2021-12-16 05:25:19,445 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] [2021-12-16 05:25:19,445 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] [2021-12-16 05:25:19,446 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] [2021-12-16 05:25:19,446 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] [2021-12-16 05:25:19,447 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] [2021-12-16 05:25:19,447 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] [2021-12-16 05:25:19,448 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] [2021-12-16 05:25:19,448 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] [2021-12-16 05:25:19,448 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] [2021-12-16 05:25:19,448 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] [2021-12-16 05:25:19,449 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] [2021-12-16 05:25:19,452 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] [2021-12-16 05:25:19,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:25:19,598 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:25:19,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19 WrapperNode [2021-12-16 05:25:19,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:25:19,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:25:19,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:25:19,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:25:19,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,815 INFO L137 Inliner]: procedures = 519, calls = 2096, calls flagged for inlining = 234, calls inlined = 146, statements flattened = 3298 [2021-12-16 05:25:19,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:25:19,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:25:19,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:25:19,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:25:19,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:25:19,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:25:19,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:25:19,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:25:19,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (1/1) ... [2021-12-16 05:25:19,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:25:19,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:25:19,985 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) [2021-12-16 05:25:20,000 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 [2021-12-16 05:25:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-16 05:25:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-16 05:25:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-16 05:25:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-16 05:25:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:25:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:25:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:25:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:25:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-16 05:25:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-16 05:25:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure port100_send_cmd_async [2021-12-16 05:25:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_send_cmd_async [2021-12-16 05:25:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-16 05:25:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-16 05:25:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-16 05:25:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-16 05:25:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:25:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:25:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:25:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:25:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-16 05:25:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-16 05:25:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:25:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-16 05:25:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-16 05:25:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure port100_tg_send_cmd [2021-12-16 05:25:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_tg_send_cmd [2021-12-16 05:25:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:25:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:25:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-16 05:25:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-16 05:25:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:25:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:25:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-16 05:25:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-16 05:25:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:25:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-16 05:25:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-16 05:25:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:25:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:25:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-16 05:25:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-16 05:25:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure port100_alloc_skb [2021-12-16 05:25:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_alloc_skb [2021-12-16 05:25:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-16 05:25:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-16 05:25:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 05:25:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 05:25:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-16 05:25:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-16 05:25:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-16 05:25:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-16 05:25:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-16 05:25:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-16 05:25:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure port100_checksum [2021-12-16 05:25:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_checksum [2021-12-16 05:25:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:25:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:25:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:25:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:25:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:25:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_get_drvdata [2021-12-16 05:25:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_digital_get_drvdata [2021-12-16 05:25:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:25:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:25:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2021-12-16 05:25:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2021-12-16 05:25:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure port100_abort_cmd [2021-12-16 05:25:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_abort_cmd [2021-12-16 05:25:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-16 05:25:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-16 05:25:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 05:25:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 05:25:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-16 05:25:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-16 05:25:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure port100_send_cmd_sync [2021-12-16 05:25:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_send_cmd_sync [2021-12-16 05:25:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:25:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:25:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 05:25:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 05:25:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:25:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:25:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:25:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:25:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-16 05:25:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-16 05:25:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-16 05:25:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-16 05:25:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 05:25:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 05:25:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-16 05:25:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-16 05:25:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-16 05:25:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-16 05:25:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 05:25:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 05:25:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-16 05:25:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-16 05:25:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 05:25:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 05:25:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:25:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-16 05:25:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-16 05:25:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:25:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:25:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_free_device [2021-12-16 05:25:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_digital_free_device [2021-12-16 05:25:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 05:25:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 05:25:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-16 05:25:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-16 05:25:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-16 05:25:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-16 05:25:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:25:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:25:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 05:25:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 05:25:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-16 05:25:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-16 05:25:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-16 05:25:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-16 05:25:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-16 05:25:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-16 05:25:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-16 05:25:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-16 05:25:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-16 05:25:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-16 05:25:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-16 05:25:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-16 05:25:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-16 05:25:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-16 05:25:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 05:25:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 05:25:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:25:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-16 05:25:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-16 05:25:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure port100_data_checksum [2021-12-16 05:25:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_data_checksum [2021-12-16 05:25:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:25:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:25:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-16 05:25:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-16 05:25:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 05:25:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 05:25:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:25:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:25:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure port100_tg_configure_hw [2021-12-16 05:25:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_tg_configure_hw [2021-12-16 05:25:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure port100_disconnect [2021-12-16 05:25:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_disconnect [2021-12-16 05:25:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-16 05:25:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-16 05:25:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:25:20,522 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:25:20,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:25:20,608 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:25:28,966 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:25:28,981 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:25:28,981 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 05:25:28,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:25:28 BoogieIcfgContainer [2021-12-16 05:25:28,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:25:28,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:25:28,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:25:28,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:25:28,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:25:17" (1/3) ... [2021-12-16 05:25:28,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b3e6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:25:28, skipping insertion in model container [2021-12-16 05:25:28,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:25:19" (2/3) ... [2021-12-16 05:25:28,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b3e6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:25:28, skipping insertion in model container [2021-12-16 05:25:28,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:25:28" (3/3) ... [2021-12-16 05:25:28,991 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--nfc--port100.ko.cil.i [2021-12-16 05:25:28,994 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:25:28,994 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-12-16 05:25:29,038 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:25:29,045 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 [2021-12-16 05:25:29,045 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-12-16 05:25:29,070 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) [2021-12-16 05:25:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-16 05:25:29,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:25:29,076 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] [2021-12-16 05:25:29,076 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)] === [2021-12-16 05:25:29,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:25:29,079 INFO L85 PathProgramCache]: Analyzing trace with hash 648363002, now seen corresponding path program 1 times [2021-12-16 05:25:29,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:25:29,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934852997] [2021-12-16 05:25:29,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:25:29,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:25:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:25:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:25:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:25:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:25:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:25:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:25:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:25:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:25:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:25:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:25:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:29,610 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:25:29,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:25:29,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934852997] [2021-12-16 05:25:29,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934852997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:25:29,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:25:29,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:25:29,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189343933] [2021-12-16 05:25:29,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:25:29,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:25:29,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:25:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:25:29,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:25:29,637 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) [2021-12-16 05:25:33,128 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 [] [2021-12-16 05:25:33,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:25:33,628 INFO L93 Difference]: Finished difference Result 1871 states and 2527 transitions. [2021-12-16 05:25:33,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:25:33,631 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 [2021-12-16 05:25:33,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:25:33,659 INFO L225 Difference]: With dead ends: 1871 [2021-12-16 05:25:33,659 INFO L226 Difference]: Without dead ends: 965 [2021-12-16 05:25:33,673 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 [2021-12-16 05:25:33,676 INFO L933 BasicCegarLoop]: 1173 mSDtfsCounter, 1737 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 770 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:25:33,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1891 Valid, 2658 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [770 Valid, 885 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-12-16 05:25:33,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2021-12-16 05:25:33,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2021-12-16 05:25:33,808 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) [2021-12-16 05:25:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1232 transitions. [2021-12-16 05:25:33,816 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1232 transitions. Word has length 71 [2021-12-16 05:25:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:25:33,817 INFO L470 AbstractCegarLoop]: Abstraction has 965 states and 1232 transitions. [2021-12-16 05:25:33,817 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) [2021-12-16 05:25:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1232 transitions. [2021-12-16 05:25:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-16 05:25:33,820 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:25:33,820 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] [2021-12-16 05:25:33,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:25:33,821 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)] === [2021-12-16 05:25:33,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:25:33,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1183208636, now seen corresponding path program 1 times [2021-12-16 05:25:33,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:25:33,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639397327] [2021-12-16 05:25:33,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:25:33,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:25:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:25:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:25:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:25:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:25:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:25:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:25:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:25:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:25:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:25:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:25:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:25:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:25:34,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:25:34,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639397327] [2021-12-16 05:25:34,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639397327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:25:34,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:25:34,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:25:34,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972847305] [2021-12-16 05:25:34,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:25:34,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:25:34,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:25:34,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:25:34,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:25:34,098 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) [2021-12-16 05:25:37,743 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 [] [2021-12-16 05:25:38,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:25:38,306 INFO L93 Difference]: Finished difference Result 965 states and 1232 transitions. [2021-12-16 05:25:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:25:38,307 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 [2021-12-16 05:25:38,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:25:38,312 INFO L225 Difference]: With dead ends: 965 [2021-12-16 05:25:38,313 INFO L226 Difference]: Without dead ends: 963 [2021-12-16 05:25:38,314 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 [2021-12-16 05:25:38,314 INFO L933 BasicCegarLoop]: 1155 mSDtfsCounter, 1705 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.1s IncrementalHoareTripleChecker+Time [2021-12-16 05:25:38,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1856 Valid, 2622 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 873 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-12-16 05:25:38,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-12-16 05:25:38,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-12-16 05:25:38,355 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) [2021-12-16 05:25:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1230 transitions. [2021-12-16 05:25:38,360 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1230 transitions. Word has length 77 [2021-12-16 05:25:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:25:38,360 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1230 transitions. [2021-12-16 05:25:38,361 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) [2021-12-16 05:25:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1230 transitions. [2021-12-16 05:25:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-16 05:25:38,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:25:38,363 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] [2021-12-16 05:25:38,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:25:38,363 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)] === [2021-12-16 05:25:38,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:25:38,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1480982524, now seen corresponding path program 1 times [2021-12-16 05:25:38,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:25:38,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176480273] [2021-12-16 05:25:38,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:25:38,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:25:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:25:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:25:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:25:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:25:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:25:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:25:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:25:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:25:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:25:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:25:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:25:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:25:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:25:38,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:25:38,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176480273] [2021-12-16 05:25:38,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176480273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:25:38,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:25:38,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:25:38,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573614231] [2021-12-16 05:25:38,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:25:38,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:25:38,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:25:38,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:25:38,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:25:38,639 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) [2021-12-16 05:25:42,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:25:42,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:25:42,793 INFO L93 Difference]: Finished difference Result 963 states and 1230 transitions. [2021-12-16 05:25:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:25:42,793 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 [2021-12-16 05:25:42,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:25:42,798 INFO L225 Difference]: With dead ends: 963 [2021-12-16 05:25:42,798 INFO L226 Difference]: Without dead ends: 961 [2021-12-16 05:25:42,798 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 [2021-12-16 05:25:42,799 INFO L933 BasicCegarLoop]: 1153 mSDtfsCounter, 1699 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:25:42,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 2620 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 871 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-12-16 05:25:42,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2021-12-16 05:25:42,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2021-12-16 05:25:42,830 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) [2021-12-16 05:25:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1228 transitions. [2021-12-16 05:25:42,836 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1228 transitions. Word has length 83 [2021-12-16 05:25:42,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:25:42,838 INFO L470 AbstractCegarLoop]: Abstraction has 961 states and 1228 transitions. [2021-12-16 05:25:42,838 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) [2021-12-16 05:25:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1228 transitions. [2021-12-16 05:25:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-16 05:25:42,844 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:25:42,844 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] [2021-12-16 05:25:42,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:25:42,845 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)] === [2021-12-16 05:25:42,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:25:42,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1791490699, now seen corresponding path program 1 times [2021-12-16 05:25:42,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:25:42,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819861174] [2021-12-16 05:25:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:25:42,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:25:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:25:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:25:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:42,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:25:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:42,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:25:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:25:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:25:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:25:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:25:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:25:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:25:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:25:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:25:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:25:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:25:43,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:25:43,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819861174] [2021-12-16 05:25:43,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819861174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:25:43,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:25:43,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:25:43,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218882519] [2021-12-16 05:25:43,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:25:43,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:25:43,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:25:43,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:25:43,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:25:43,085 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) [2021-12-16 05:25:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:25:45,352 INFO L93 Difference]: Finished difference Result 961 states and 1228 transitions. [2021-12-16 05:25:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:25:45,352 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 [2021-12-16 05:25:45,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:25:45,357 INFO L225 Difference]: With dead ends: 961 [2021-12-16 05:25:45,357 INFO L226 Difference]: Without dead ends: 959 [2021-12-16 05:25:45,358 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 [2021-12-16 05:25:45,358 INFO L933 BasicCegarLoop]: 1151 mSDtfsCounter, 1693 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.2s IncrementalHoareTripleChecker+Time [2021-12-16 05:25:45,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1842 Valid, 2618 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-16 05:25:45,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2021-12-16 05:25:45,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2021-12-16 05:25:45,387 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) [2021-12-16 05:25:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1226 transitions. [2021-12-16 05:25:45,392 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1226 transitions. Word has length 89 [2021-12-16 05:25:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:25:45,392 INFO L470 AbstractCegarLoop]: Abstraction has 959 states and 1226 transitions. [2021-12-16 05:25:45,392 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) [2021-12-16 05:25:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1226 transitions. [2021-12-16 05:25:45,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-16 05:25:45,393 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:25:45,394 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] [2021-12-16 05:25:45,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 05:25:45,394 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)] === [2021-12-16 05:25:45,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:25:45,394 INFO L85 PathProgramCache]: Analyzing trace with hash -412006016, now seen corresponding path program 1 times [2021-12-16 05:25:45,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:25:45,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010441661] [2021-12-16 05:25:45,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:25:45,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:25:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:25:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:25:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:25:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:25:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:25:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:25:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:25:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:25:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:25:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:25:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:25:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:25:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:25:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:25:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:25:45,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:25:45,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010441661] [2021-12-16 05:25:45,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010441661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:25:45,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:25:45,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:25:45,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816180319] [2021-12-16 05:25:45,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:25:45,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:25:45,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:25:45,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:25:45,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:25:45,680 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) [2021-12-16 05:25:49,093 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 [] [2021-12-16 05:25:49,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:25:49,544 INFO L93 Difference]: Finished difference Result 959 states and 1226 transitions. [2021-12-16 05:25:49,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:25:49,544 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 [2021-12-16 05:25:49,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:25:49,548 INFO L225 Difference]: With dead ends: 959 [2021-12-16 05:25:49,549 INFO L226 Difference]: Without dead ends: 957 [2021-12-16 05:25:49,549 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 [2021-12-16 05:25:49,550 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1687 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 2616 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:25:49,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1835 Valid, 2616 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 867 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-12-16 05:25:49,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2021-12-16 05:25:49,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2021-12-16 05:25:49,577 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) [2021-12-16 05:25:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1224 transitions. [2021-12-16 05:25:49,582 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1224 transitions. Word has length 95 [2021-12-16 05:25:49,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:25:49,583 INFO L470 AbstractCegarLoop]: Abstraction has 957 states and 1224 transitions. [2021-12-16 05:25:49,583 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) [2021-12-16 05:25:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1224 transitions. [2021-12-16 05:25:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-16 05:25:49,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:25:49,584 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] [2021-12-16 05:25:49,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 05:25:49,584 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)] === [2021-12-16 05:25:49,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:25:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash -402842009, now seen corresponding path program 1 times [2021-12-16 05:25:49,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:25:49,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768210085] [2021-12-16 05:25:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:25:49,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:25:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:25:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:25:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:25:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:25:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:25:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:25:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:25:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:25:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:25:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:25:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:25:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:25:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:25:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:25:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:25:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:25:49,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:25:49,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768210085] [2021-12-16 05:25:49,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768210085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:25:49,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:25:49,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:25:49,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718259295] [2021-12-16 05:25:49,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:25:49,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:25:49,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:25:49,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:25:49,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:25:49,844 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) [2021-12-16 05:25:52,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:25:52,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:25:52,924 INFO L93 Difference]: Finished difference Result 957 states and 1224 transitions. [2021-12-16 05:25:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:25:52,924 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 [2021-12-16 05:25:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:25:52,928 INFO L225 Difference]: With dead ends: 957 [2021-12-16 05:25:52,929 INFO L226 Difference]: Without dead ends: 955 [2021-12-16 05:25:52,929 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 [2021-12-16 05:25:52,930 INFO L933 BasicCegarLoop]: 1147 mSDtfsCounter, 1681 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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 [2021-12-16 05:25:52,930 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] [2021-12-16 05:25:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2021-12-16 05:25:52,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2021-12-16 05:25:52,957 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) [2021-12-16 05:25:52,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1222 transitions. [2021-12-16 05:25:52,961 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1222 transitions. Word has length 101 [2021-12-16 05:25:52,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:25:52,961 INFO L470 AbstractCegarLoop]: Abstraction has 955 states and 1222 transitions. [2021-12-16 05:25:52,961 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) [2021-12-16 05:25:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1222 transitions. [2021-12-16 05:25:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-16 05:25:52,962 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:25:52,963 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] [2021-12-16 05:25:52,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 05:25:52,963 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)] === [2021-12-16 05:25:52,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:25:52,963 INFO L85 PathProgramCache]: Analyzing trace with hash 373267383, now seen corresponding path program 1 times [2021-12-16 05:25:52,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:25:52,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479100962] [2021-12-16 05:25:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:25:52,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:25:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:25:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:25:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:25:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:25:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:25:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:25:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:25:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:25:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:25:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:25:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:25:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:25:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:25:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:25:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:25:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:25:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:25:53,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:25:53,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479100962] [2021-12-16 05:25:53,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479100962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:25:53,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:25:53,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:25:53,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686730516] [2021-12-16 05:25:53,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:25:53,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:25:53,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:25:53,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:25:53,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:25:53,176 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) [2021-12-16 05:25:56,556 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 [] [2021-12-16 05:25:57,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:25:57,017 INFO L93 Difference]: Finished difference Result 955 states and 1222 transitions. [2021-12-16 05:25:57,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:25:57,019 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 [2021-12-16 05:25:57,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:25:57,029 INFO L225 Difference]: With dead ends: 955 [2021-12-16 05:25:57,029 INFO L226 Difference]: Without dead ends: 953 [2021-12-16 05:25:57,029 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 [2021-12-16 05:25:57,030 INFO L933 BasicCegarLoop]: 1145 mSDtfsCounter, 1675 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 2612 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:25:57,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 2612 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 863 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-12-16 05:25:57,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2021-12-16 05:25:57,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2021-12-16 05:25:57,057 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) [2021-12-16 05:25:57,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1220 transitions. [2021-12-16 05:25:57,060 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1220 transitions. Word has length 107 [2021-12-16 05:25:57,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:25:57,060 INFO L470 AbstractCegarLoop]: Abstraction has 953 states and 1220 transitions. [2021-12-16 05:25:57,061 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) [2021-12-16 05:25:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1220 transitions. [2021-12-16 05:25:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-16 05:25:57,062 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:25:57,062 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] [2021-12-16 05:25:57,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 05:25:57,063 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)] === [2021-12-16 05:25:57,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:25:57,063 INFO L85 PathProgramCache]: Analyzing trace with hash -174658956, now seen corresponding path program 1 times [2021-12-16 05:25:57,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:25:57,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985313673] [2021-12-16 05:25:57,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:25:57,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:25:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:25:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:25:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:25:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:25:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:25:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:25:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:25:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:25:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:25:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:25:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:25:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:25:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:25:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:25:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:25:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:25:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:25:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:25:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:25:57,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:25:57,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985313673] [2021-12-16 05:25:57,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985313673] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:25:57,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:25:57,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:25:57,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717749139] [2021-12-16 05:25:57,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:25:57,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:25:57,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:25:57,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:25:57,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:25:57,299 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) [2021-12-16 05:26:00,715 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 [] [2021-12-16 05:26:01,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:26:01,174 INFO L93 Difference]: Finished difference Result 953 states and 1220 transitions. [2021-12-16 05:26:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:26:01,174 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 [2021-12-16 05:26:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:26:01,178 INFO L225 Difference]: With dead ends: 953 [2021-12-16 05:26:01,178 INFO L226 Difference]: Without dead ends: 951 [2021-12-16 05:26:01,179 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 [2021-12-16 05:26:01,179 INFO L933 BasicCegarLoop]: 1143 mSDtfsCounter, 1673 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 762 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 3.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:26:01,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1818 Valid, 2610 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 857 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-12-16 05:26:01,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2021-12-16 05:26:01,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 951. [2021-12-16 05:26:01,206 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) [2021-12-16 05:26:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1218 transitions. [2021-12-16 05:26:01,209 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1218 transitions. Word has length 113 [2021-12-16 05:26:01,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:26:01,209 INFO L470 AbstractCegarLoop]: Abstraction has 951 states and 1218 transitions. [2021-12-16 05:26:01,210 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) [2021-12-16 05:26:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1218 transitions. [2021-12-16 05:26:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-16 05:26:01,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:26:01,211 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] [2021-12-16 05:26:01,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 05:26:01,211 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)] === [2021-12-16 05:26:01,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:26:01,211 INFO L85 PathProgramCache]: Analyzing trace with hash -343397577, now seen corresponding path program 1 times [2021-12-16 05:26:01,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:26:01,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589319408] [2021-12-16 05:26:01,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:26:01,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:26:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:26:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:26:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:26:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:26:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:26:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:26:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:26:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:26:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:26:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:26:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:26:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:26:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:26:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:26:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:26:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:26:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:26:01,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:26:01,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589319408] [2021-12-16 05:26:01,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589319408] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:26:01,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:26:01,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:26:01,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669790508] [2021-12-16 05:26:01,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:26:01,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:26:01,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:26:01,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:26:01,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:26:01,460 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) [2021-12-16 05:26:03,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:26:04,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:26:04,258 INFO L93 Difference]: Finished difference Result 951 states and 1218 transitions. [2021-12-16 05:26:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:26:04,258 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 [2021-12-16 05:26:04,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:26:04,262 INFO L225 Difference]: With dead ends: 951 [2021-12-16 05:26:04,262 INFO L226 Difference]: Without dead ends: 949 [2021-12-16 05:26:04,263 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 [2021-12-16 05:26:04,264 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 1661 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:26:04,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1806 Valid, 2608 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-16 05:26:04,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2021-12-16 05:26:04,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2021-12-16 05:26:04,292 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) [2021-12-16 05:26:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1216 transitions. [2021-12-16 05:26:04,296 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1216 transitions. Word has length 115 [2021-12-16 05:26:04,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:26:04,296 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1216 transitions. [2021-12-16 05:26:04,296 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) [2021-12-16 05:26:04,296 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1216 transitions. [2021-12-16 05:26:04,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-16 05:26:04,297 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:26:04,298 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] [2021-12-16 05:26:04,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 05:26:04,298 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)] === [2021-12-16 05:26:04,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:26:04,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1822490743, now seen corresponding path program 1 times [2021-12-16 05:26:04,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:26:04,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096290611] [2021-12-16 05:26:04,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:26:04,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:26:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:26:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:26:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:26:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:26:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:26:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:26:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:26:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:26:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:26:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:26:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:26:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:26:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:26:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:26:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:26:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:26:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:26:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:26:04,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:26:04,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096290611] [2021-12-16 05:26:04,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096290611] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:26:04,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:26:04,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:26:04,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131982170] [2021-12-16 05:26:04,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:26:04,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:26:04,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:26:04,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:26:04,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:26:04,521 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) [2021-12-16 05:26:06,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:26:06,867 INFO L93 Difference]: Finished difference Result 949 states and 1216 transitions. [2021-12-16 05:26:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:26:06,869 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 [2021-12-16 05:26:06,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:26:06,890 INFO L225 Difference]: With dead ends: 949 [2021-12-16 05:26:06,890 INFO L226 Difference]: Without dead ends: 947 [2021-12-16 05:26:06,891 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 [2021-12-16 05:26:06,891 INFO L933 BasicCegarLoop]: 1139 mSDtfsCounter, 1657 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-16 05:26:06,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1801 Valid, 2606 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-16 05:26:06,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2021-12-16 05:26:06,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 947. [2021-12-16 05:26:06,924 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) [2021-12-16 05:26:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1214 transitions. [2021-12-16 05:26:06,933 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1214 transitions. Word has length 121 [2021-12-16 05:26:06,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:26:06,933 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1214 transitions. [2021-12-16 05:26:06,933 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) [2021-12-16 05:26:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1214 transitions. [2021-12-16 05:26:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-16 05:26:06,935 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:26:06,935 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] [2021-12-16 05:26:06,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 05:26:06,936 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)] === [2021-12-16 05:26:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:26:06,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1748395908, now seen corresponding path program 1 times [2021-12-16 05:26:06,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:26:06,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854165918] [2021-12-16 05:26:06,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:26:06,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:26:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:26:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:26:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:26:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:26:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:26:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 05:26:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:26:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 05:26:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 05:26:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:26:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:26:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 05:26:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-12-16 05:26:07,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:26:07,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854165918] [2021-12-16 05:26:07,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854165918] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:26:07,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:26:07,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:26:07,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418794851] [2021-12-16 05:26:07,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:26:07,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:26:07,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:26:07,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:26:07,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:26:07,345 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) [2021-12-16 05:26:11,086 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 [] [2021-12-16 05:26:11,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:26:11,617 INFO L93 Difference]: Finished difference Result 1335 states and 1699 transitions. [2021-12-16 05:26:11,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:26:11,617 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 [2021-12-16 05:26:11,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:26:11,623 INFO L225 Difference]: With dead ends: 1335 [2021-12-16 05:26:11,623 INFO L226 Difference]: Without dead ends: 1013 [2021-12-16 05:26:11,624 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 [2021-12-16 05:26:11,625 INFO L933 BasicCegarLoop]: 1000 mSDtfsCounter, 2041 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 1154 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1154 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-16 05:26:11,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2211 Valid, 2040 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1154 Valid, 981 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-12-16 05:26:11,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2021-12-16 05:26:11,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 943. [2021-12-16 05:26:11,665 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) [2021-12-16 05:26:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1209 transitions. [2021-12-16 05:26:11,668 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1209 transitions. Word has length 167 [2021-12-16 05:26:11,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:26:11,669 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1209 transitions. [2021-12-16 05:26:11,669 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) [2021-12-16 05:26:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1209 transitions. [2021-12-16 05:26:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-16 05:26:11,671 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:26:11,671 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] [2021-12-16 05:26:11,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 05:26:11,671 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)] === [2021-12-16 05:26:11,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:26:11,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1537813603, now seen corresponding path program 1 times [2021-12-16 05:26:11,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:26:11,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58106692] [2021-12-16 05:26:11,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:26:11,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:26:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:26:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:26:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:26:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:26:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:26:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:26:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:26:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:26:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:26:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:26:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:26:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:26:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:26:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:26:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:26:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:26:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:26:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:26:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:26:11,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:26:11,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58106692] [2021-12-16 05:26:11,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58106692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:26:11,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:26:11,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:26:11,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386361637] [2021-12-16 05:26:11,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:26:11,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:26:11,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:26:11,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:26:11,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:26:11,893 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) [2021-12-16 05:26:14,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 05:26:15,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:26:15,442 INFO L93 Difference]: Finished difference Result 943 states and 1209 transitions. [2021-12-16 05:26:15,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:26:15,442 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 [2021-12-16 05:26:15,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:26:15,446 INFO L225 Difference]: With dead ends: 943 [2021-12-16 05:26:15,446 INFO L226 Difference]: Without dead ends: 941 [2021-12-16 05:26:15,447 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 [2021-12-16 05:26:15,448 INFO L933 BasicCegarLoop]: 1132 mSDtfsCounter, 1646 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-16 05:26:15,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1789 Valid, 2585 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-16 05:26:15,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2021-12-16 05:26:15,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 941. [2021-12-16 05:26:15,479 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) [2021-12-16 05:26:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1207 transitions. [2021-12-16 05:26:15,482 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1207 transitions. Word has length 127 [2021-12-16 05:26:15,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:26:15,483 INFO L470 AbstractCegarLoop]: Abstraction has 941 states and 1207 transitions. [2021-12-16 05:26:15,483 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) [2021-12-16 05:26:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1207 transitions. [2021-12-16 05:26:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-16 05:26:15,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:26:15,485 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] [2021-12-16 05:26:15,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 05:26:15,485 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)] === [2021-12-16 05:26:15,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:26:15,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1528046547, now seen corresponding path program 1 times [2021-12-16 05:26:15,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:26:15,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594357675] [2021-12-16 05:26:15,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:26:15,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:26:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:26:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:26:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:26:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:26:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:26:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 05:26:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:26:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 05:26:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 05:26:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:26:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:26:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:26:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:26:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 05:26:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 05:26:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-12-16 05:26:15,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:26:15,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594357675] [2021-12-16 05:26:15,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594357675] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 05:26:15,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579682100] [2021-12-16 05:26:15,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:26:15,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 05:26:15,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:26:15,826 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) [2021-12-16 05:26:15,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 05:26:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:16,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 05:26:16,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 05:26:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-16 05:26:16,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 05:26:16,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579682100] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:26:16,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 05:26:16,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-16 05:26:16,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090711835] [2021-12-16 05:26:16,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:26:16,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 05:26:16,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:26:16,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 05:26:16,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:26:16,728 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) [2021-12-16 05:26:16,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:26:16,793 INFO L93 Difference]: Finished difference Result 1306 states and 1629 transitions. [2021-12-16 05:26:16,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 05:26:16,794 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 [2021-12-16 05:26:16,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:26:16,798 INFO L225 Difference]: With dead ends: 1306 [2021-12-16 05:26:16,798 INFO L226 Difference]: Without dead ends: 993 [2021-12-16 05:26:16,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:26:16,800 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 [2021-12-16 05:26:16,800 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] [2021-12-16 05:26:16,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-12-16 05:26:16,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 990. [2021-12-16 05:26:16,838 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) [2021-12-16 05:26:16,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1267 transitions. [2021-12-16 05:26:16,841 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1267 transitions. Word has length 173 [2021-12-16 05:26:16,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:26:16,842 INFO L470 AbstractCegarLoop]: Abstraction has 990 states and 1267 transitions. [2021-12-16 05:26:16,842 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) [2021-12-16 05:26:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1267 transitions. [2021-12-16 05:26:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-16 05:26:16,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:26:16,844 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] [2021-12-16 05:26:16,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 05:26:17,053 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 [2021-12-16 05:26:17,053 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)] === [2021-12-16 05:26:17,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:26:17,054 INFO L85 PathProgramCache]: Analyzing trace with hash -818379709, now seen corresponding path program 1 times [2021-12-16 05:26:17,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:26:17,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185192579] [2021-12-16 05:26:17,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:26:17,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:26:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:26:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:26:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:26:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:26:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:26:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:26:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:26:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:26:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:26:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:26:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:26:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:26:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:26:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:26:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:26:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:26:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:26:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:26:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:26:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:26:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:26:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:26:17,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:26:17,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185192579] [2021-12-16 05:26:17,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185192579] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:26:17,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:26:17,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:26:17,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498345894] [2021-12-16 05:26:17,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:26:17,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:26:17,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:26:17,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:26:17,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:26:17,281 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)